NICT Ionospheric event

●過去４０日間に発生した電離圏イベント履歴（2026/06/25 17:30 更新）
・現在の電離圏概況（携帯版）はこちらを参照してください。
・現在の電離圏概況（簡易版）はこちらを参照してください。
・現在の電離圏概況（詳細版）はこちらを参照してください。
・観測生データ等はこちらを参照してください。
！注意事項！
・時刻は全てJST(UT+09)で表記されています。
・記載されている情報は全て自動生成されており,解析誤差が含まれる場合があります。
・強いスポラディックＥ層が発生した場合Ｅ層のマルチエコーとＦ層を混同し,電離層嵐と誤判定する場合があります。

==================================== 稚内(北海道) ====================================

電離層嵐継続期間	継続時間	中央値との最大差を観測した日時	中央値との最大差[MHz]	foF2[MHz]
2026/05/29 06:15 - 05/29 07:15	1:00	05/29 06:15	+4.8	11.7
2026/05/30 16:45 - 05/30 18:15	1:30	05/30 16:45	+7.6	14.5
2026/05/31 17:15 - 05/31 18:30	1:15	05/31 17:30	+10.3	17.2

＃突発性電離層擾乱／冬季異常イベントは存在しません

スポラディックＥ継続期間	継続時間	Ｅｓ層臨界周波数の最大値を観測した日時	fxEs[MHz]
2026/05/16 16:00 - 05/16 17:30	1:30	05/16 16:30	13.3
2026/05/16 18:15 - 05/16 21:30	3:15	05/16 19:30	14.6
2026/05/17 18:30 - 05/17 18:45	0:15	05/17 18:45	8.4
2026/05/18 09:00 - 05/18 10:45	1:45	05/18 09:30	28.7
2026/05/19 11:45 - 05/19 12:30	0:45	05/19 12:00	12.0
2026/05/20 16:45 - 05/20 17:00	0:15	05/20 17:00	8.9
2026/05/22 12:15 - 05/22 14:15	2:00	05/22 13:45	21.7
2026/05/22 16:45 - 05/23 02:45	10:00	05/22 21:30	14.5
2026/05/23 07:45 - 05/23 08:00	0:15	05/23 07:45	10.1
2026/05/24 15:00 - 05/24 15:30	0:30	05/24 15:30	9.5
2026/05/25 00:15 - 05/25 00:45	0:30	05/25 00:45	9.1
2026/05/25 09:45 - 05/25 10:30	0:45	05/25 10:30	14.6
2026/05/25 14:15 - 05/25 16:00	1:45	05/25 15:00	10.7
2026/05/26 11:15 - 05/26 11:45	0:30	05/26 11:30	12.5
2026/05/26 16:45 - 05/26 17:30	0:45	05/26 17:30	20.5
2026/05/26 18:15 - 05/26 19:00	0:45	05/26 18:45	12.7
2026/05/27 07:00 - 05/27 07:15	0:15	05/27 07:00	10.5
2026/05/28 09:15 - 05/28 09:30	0:15	05/28 09:30	20.1
2026/05/28 10:15 - 05/28 11:30	1:15	05/28 11:00	12.4
2026/05/28 12:45 - 05/28 14:00	1:15	05/28 13:15	20.7
2026/05/28 15:15 - 05/28 17:30	2:15	05/28 17:30	28.7
2026/05/28 19:00 - 05/28 19:30	0:30	05/28 19:15	11.9
2026/05/28 21:00 - 05/28 21:45	0:45	05/28 21:15	14.7
2026/05/29 05:15 - 05/29 14:15	9:00	05/29 09:45	18.2
2026/05/29 16:30 - 05/29 16:45	0:15	05/29 16:45	8.9
2026/05/29 18:15 - 05/29 22:15	4:00	05/29 18:30	21.7
2026/05/30 05:30 - 05/30 06:00	0:30	05/30 06:00	21.3
2026/05/30 07:45 - 05/30 18:30	10:45	05/30 12:00	20.0
2026/05/30 19:45 - 05/30 22:15	2:30	05/30 22:00	11.7
2026/05/30 23:00 - 05/30 23:45	0:45	05/30 23:45	10.5
2026/05/31 09:15 - 05/31 10:15	1:00	05/31 10:15	10.8
2026/05/31 16:00 - 05/31 20:00	4:00	05/31 18:30	30.0
2026/06/01 08:30 - 06/01 09:30	1:00	06/01 09:15	12.5
2026/06/01 10:15 - 06/01 10:30	0:15	06/01 10:30	12.0
2026/06/01 20:15 - 06/01 22:00	1:45	06/01 21:15	12.7
2026/06/02 11:45 - 06/02 12:15	0:30	06/02 11:45	10.3
2026/06/03 10:15 - 06/03 11:00	0:45	06/03 10:45	14.8
2026/06/03 17:30 - 06/03 19:15	1:45	06/03 18:45	20.0
2026/06/03 20:00 - 06/03 20:15	0:15	06/03 20:00	9.3
2026/06/03 22:00 - 06/03 23:45	1:45	06/03 23:30	13.6
2026/06/04 07:00 - 06/04 07:45	0:45	06/04 07:30	10.9
2026/06/04 10:15 - 06/04 14:00	3:45	06/04 12:15	23.4
2026/06/04 16:15 - 06/04 17:15	1:00	06/04 16:45	9.7
2026/06/04 19:00 - 06/04 21:45	2:45	06/04 21:00	20.0
2026/06/05 06:45 - 06/05 07:45	1:00	06/05 07:15	11.6
2026/06/05 08:30 - 06/05 09:30	1:00	06/05 09:00	15.0
2026/06/05 11:15 - 06/05 12:00	0:45	06/05 12:00	19.9
2026/06/05 15:15 - 06/05 15:30	0:15	06/05 15:15	9.9
2026/06/06 07:30 - 06/06 08:00	0:30	06/06 07:30	20.1
2026/06/07 05:45 - 06/07 06:15	0:30	06/07 06:15	9.5
2026/06/07 07:15 - 06/07 07:30	0:15	06/07 07:15	13.5
2026/06/08 10:15 - 06/08 11:45	1:30	06/08 10:45	17.1
2026/06/08 13:00 - 06/08 13:30	0:30	06/08 13:30	28.5
2026/06/09 09:30 - 06/09 11:45	2:15	06/09 10:30	11.3
2026/06/10 09:00 - 06/10 09:15	0:15	06/10 09:15	18.1
2026/06/10 10:15 - 06/10 11:30	1:15	06/10 11:15	28.5
2026/06/11 08:00 - 06/11 09:00	1:00	06/11 08:30	27.2
2026/06/11 18:45 - 06/11 19:15	0:30	06/11 19:00	13.1
2026/06/12 06:30 - 06/12 07:45	1:15	06/12 07:45	21.8
2026/06/12 16:15 - 06/12 16:30	0:15	06/12 16:30	8.9
2026/06/14 10:00 - 06/14 12:00	2:00	06/14 10:00	26.8
2026/06/14 13:30 - 06/14 15:15	1:45	06/14 13:45	15.9
2026/06/14 16:00 - 06/14 17:45	1:45	06/14 16:15	10.7
2026/06/14 18:30 - 06/14 19:30	1:00	06/14 18:45	11.1
2026/06/15 07:45 - 06/15 08:15	0:30	06/15 07:45	10.3
2026/06/16 06:30 - 06/16 06:45	0:15	06/16 06:45	8.9
2026/06/16 09:45 - 06/16 11:45	2:00	06/16 11:30	11.5
2026/06/16 12:45 - 06/16 15:30	2:45	06/16 13:00	11.7
2026/06/16 19:30 - 06/16 20:00	0:30	06/16 19:30	10.3
2026/06/16 21:00 - 06/16 21:45	0:45	06/16 21:00	9.1
2026/06/17 07:45 - 06/17 08:15	0:30	06/17 07:45	9.4
2026/06/18 12:45 - 06/18 13:15	0:30	06/18 12:45	9.6
2026/06/19 13:45 - 06/19 14:30	0:45	06/19 14:00	13.5
2026/06/20 04:00 - 06/20 04:15	0:15	06/20 04:00	27.3
2026/06/22 09:45 - 06/22 10:15	0:30	06/22 10:15	28.5
2026/06/22 11:45 - 06/22 12:45	1:00	06/22 12:45	12.3
2026/06/23 16:15 - 06/23 17:30	1:15	06/23 16:15	11.3
2026/06/24 09:15 - 06/24 09:30	0:15	06/24 09:15	9.7
2026/06/24 12:30 - 06/24 14:00	1:30	06/24 13:45	14.5
2026/06/24 14:45 - 06/24 15:15	0:30	06/24 15:15	9.9
2026/06/25 08:00 - 06/25 12:15	4:15	06/25 10:45	18.9
2026/06/25 14:45 - 06/25 17:30	2:45	06/25 17:15	17.4

==================================== 国分寺(東京) ====================================
＃電離層嵐イベントは存在しません
＃突発性電離層擾乱／冬季異常イベントは存在しません

スポラディックＥ継続期間	継続時間	Ｅｓ層臨界周波数の最大値を観測した日時	fxEs[MHz]
2026/05/16 17:15 - 05/16 17:30	0:15	05/16 17:15	11.0
2026/05/16 22:45 - 05/16 23:00	0:15	05/16 22:45	8.5
2026/05/17 01:30 - 05/17 01:45	0:15	05/17 01:45	9.1
2026/05/17 02:30 - 05/17 02:45	0:15	05/17 02:30	12.1
2026/05/17 07:30 - 05/17 08:00	0:30	05/17 07:45	11.5
2026/05/17 10:45 - 05/17 13:30	2:45	05/17 12:30	18.7
2026/05/17 16:15 - 05/17 17:30	1:15	05/17 17:00	11.4
2026/05/17 19:45 - 05/17 20:00	0:15	05/17 19:45	9.5
2026/05/17 21:45 - 05/17 22:00	0:15	05/17 22:00	10.5
2026/05/18 11:00 - 05/18 13:15	2:15	05/18 13:00	17.3
2026/05/18 17:30 - 05/18 19:15	1:45	05/18 19:00	12.7
2026/05/19 22:45 - 05/19 23:00	0:15	05/19 23:00	10.2
2026/05/21 07:30 - 05/21 07:45	0:15	05/21 07:30	8.7
2026/05/22 02:00 - 05/22 04:45	2:45	05/22 02:15	12.4
2026/05/22 08:15 - 05/22 13:45	5:30	05/22 11:00	21.0
2026/05/22 22:30 - 05/22 23:00	0:30	05/22 23:00	10.8
2026/05/23 02:00 - 05/23 02:45	0:45	05/23 02:45	11.2
2026/05/23 06:45 - 05/23 08:00	1:15	05/23 07:00	11.3
2026/05/23 09:00 - 05/23 09:45	0:45	05/23 09:00	9.3
2026/05/23 10:45 - 05/23 12:30	1:45	05/23 11:30	12.7
2026/05/23 13:30 - 05/23 14:00	0:30	05/23 14:00	8.1
2026/05/23 16:00 - 05/23 16:45	0:45	05/23 16:30	9.0
2026/05/24 06:45 - 05/24 07:00	0:15	05/24 06:45	13.5
2026/05/24 08:00 - 05/24 10:15	2:15	05/24 08:15	15.5
2026/05/24 11:45 - 05/24 12:45	1:00	05/24 12:45	9.8
2026/05/24 18:45 - 05/24 19:30	0:45	05/24 18:45	12.1
2026/05/24 22:30 - 05/24 22:45	0:15	05/24 22:30	9.3
2026/05/24 23:30 - 05/25 00:45	1:15	05/25 00:00	16.9
2026/05/25 11:00 - 05/25 11:30	0:30	05/25 11:00	9.1
2026/05/25 12:30 - 05/25 13:00	0:30	05/25 13:00	9.2
2026/05/25 17:30 - 05/25 18:00	0:30	05/25 18:00	9.1
2026/05/25 19:15 - 05/25 19:30	0:15	05/25 19:30	10.7
2026/05/25 20:15 - 05/25 20:45	0:30	05/25 20:15	10.7
2026/05/25 22:15 - 05/25 23:00	0:45	05/25 22:45	14.7
2026/05/26 16:15 - 05/26 18:30	2:15	05/26 18:00	15.9
2026/05/26 19:30 - 05/26 20:45	1:15	05/26 20:30	12.6
2026/05/27 11:00 - 05/27 13:45	2:45	05/27 13:30	10.7
2026/05/27 19:45 - 05/27 20:30	0:45	05/27 20:15	12.7
2026/05/27 21:15 - 05/27 21:45	0:30	05/27 21:15	11.6
2026/05/28 08:15 - 05/28 11:45	3:30	05/28 09:30	23.4
2026/05/28 15:15 - 05/28 17:00	1:45	05/28 16:00	25.6
2026/05/28 19:00 - 05/28 22:00	3:00	05/28 19:30	14.8
2026/05/29 07:45 - 05/29 10:00	2:15	05/29 09:00	14.5
2026/05/29 11:00 - 05/29 11:15	0:15	05/29 11:00	11.3
2026/05/29 12:30 - 05/29 12:45	0:15	05/29 12:30	11.0
2026/05/29 15:00 - 05/29 15:15	0:15	05/29 15:15	15.0
2026/05/29 16:15 - 05/29 16:30	0:15	05/29 16:15	10.5
2026/05/29 17:15 - 05/29 18:30	1:15	05/29 17:30	10.5
2026/05/30 00:45 - 05/30 01:00	0:15	05/30 01:00	14.1
2026/05/30 08:30 - 05/30 10:15	1:45	05/30 09:00	12.6
2026/05/30 11:00 - 05/30 14:15	3:15	05/30 13:30	22.9
2026/05/30 17:15 - 05/31 00:30	7:15	05/30 20:15	28.7
2026/05/31 06:15 - 05/31 14:30	8:15	05/31 12:00	16.6
2026/05/31 22:00 - 06/01 00:45	2:45	05/31 23:00	14.9
2026/06/01 08:15 - 06/01 14:45	6:30	06/01 12:00	18.9
2026/06/01 18:30 - 06/02 01:00	6:30	06/01 19:15	25.9
2026/06/02 02:00 - 06/02 02:45	0:45	06/02 02:15	9.1
2026/06/02 07:00 - 06/02 11:00	4:00	06/02 10:30	12.0
2026/06/02 12:30 - 06/02 14:15	1:45	06/02 14:15	17.8
2026/06/02 15:45 - 06/02 16:30	0:45	06/02 16:15	11.0
2026/06/02 20:15 - 06/02 21:45	1:30	06/02 20:30	15.3
2026/06/02 23:00 - 06/03 02:45	3:45	06/03 01:15	13.1
2026/06/03 05:45 - 06/03 06:15	0:30	06/03 06:00	8.7
2026/06/03 07:00 - 06/03 07:15	0:15	06/03 07:00	8.6
2026/06/03 13:00 - 06/03 13:15	0:15	06/03 13:00	13.3
2026/06/03 14:00 - 06/03 14:15	0:15	06/03 14:00	8.1
2026/06/04 00:30 - 06/04 01:15	0:45	06/04 00:30	11.4
2026/06/04 05:45 - 06/04 09:30	3:45	06/04 08:15	14.4
2026/06/04 11:30 - 06/04 17:30	6:00	06/04 15:30	18.3
2026/06/04 18:45 - 06/04 19:30	0:45	06/04 19:00	12.2
2026/06/04 22:00 - 06/04 22:30	0:30	06/04 22:00	18.6
2026/06/05 06:30 - 06/05 08:30	2:00	06/05 08:15	10.6
2026/06/05 11:15 - 06/05 14:15	3:00	06/05 12:15	27.6
2026/06/05 16:00 - 06/05 19:45	3:45	06/05 18:15	11.0
2026/06/05 22:00 - 06/05 22:30	0:30	06/05 22:15	13.3
2026/06/06 00:00 - 06/06 01:45	1:45	06/06 00:45	12.3
2026/06/06 10:45 - 06/06 15:30	4:45	06/06 13:00	24.6
2026/06/06 23:30 - 06/07 00:45	1:15	06/07 00:15	12.3
2026/06/07 08:15 - 06/07 09:15	1:00	06/07 09:00	8.4
2026/06/07 10:15 - 06/07 14:45	4:30	06/07 12:45	29.7
2026/06/07 15:30 - 06/07 16:30	1:00	06/07 16:30	9.1
2026/06/07 22:00 - 06/07 22:30	0:30	06/07 22:00	15.3
2026/06/08 00:00 - 06/08 00:15	0:15	06/08 00:15	10.5
2026/06/08 08:30 - 06/08 18:30	10:00	06/08 11:15	28.5
2026/06/09 00:00 - 06/09 01:00	1:00	06/09 00:15	9.1
2026/06/09 12:45 - 06/09 15:00	2:15	06/09 13:45	11.7
2026/06/09 15:45 - 06/09 16:00	0:15	06/09 16:00	11.3
2026/06/09 17:00 - 06/09 17:15	0:15	06/09 17:00	16.6
2026/06/09 21:00 - 06/09 21:15	0:15	06/09 21:00	8.6
2026/06/09 22:45 - 06/10 01:15	2:30	06/09 23:30	15.3
2026/06/10 15:45 - 06/10 16:45	1:00	06/10 16:45	10.2
2026/06/10 23:45 - 06/11 00:30	0:45	06/11 00:15	9.3
2026/06/11 06:45 - 06/11 07:00	0:15	06/11 07:00	10.2
2026/06/11 12:00 - 06/11 15:30	3:30	06/11 14:45	13.9
2026/06/11 21:45 - 06/11 23:00	1:15	06/11 21:45	11.5
2026/06/12 01:15 - 06/12 02:00	0:45	06/12 01:45	11.1
2026/06/12 07:30 - 06/12 10:30	3:00	06/12 09:15	18.7
2026/06/12 11:15 - 06/12 12:15	1:00	06/12 11:45	11.3
2026/06/12 16:15 - 06/12 18:00	1:45	06/12 18:00	15.3
2026/06/13 07:15 - 06/13 08:00	0:45	06/13 08:00	11.5
2026/06/13 08:45 - 06/13 11:45	3:00	06/13 10:00	11.9
2026/06/13 12:30 - 06/13 15:45	3:15	06/13 14:00	11.6
2026/06/13 21:00 - 06/13 23:15	2:15	06/13 21:00	11.0
2026/06/14 00:15 - 06/14 01:30	1:15	06/14 00:30	11.5
2026/06/14 02:45 - 06/14 04:00	1:15	06/14 03:15	18.3
2026/06/14 06:30 - 06/14 08:30	2:00	06/14 07:15	23.5
2026/06/14 11:00 - 06/14 13:00	2:00	06/14 12:15	12.6
2026/06/14 13:45 - 06/14 14:15	0:30	06/14 14:00	12.5
2026/06/14 19:45 - 06/14 20:45	1:00	06/14 20:00	17.4
2026/06/14 21:30 - 06/15 00:00	2:30	06/14 23:45	17.7
2026/06/15 00:45 - 06/15 02:45	2:00	06/15 01:00	14.8
2026/06/15 07:15 - 06/15 10:45	3:30	06/15 07:45	11.6
2026/06/15 18:00 - 06/15 20:00	2:00	06/15 19:45	12.3
2026/06/15 22:00 - 06/15 22:15	0:15	06/15 22:00	8.5
2026/06/16 07:30 - 06/16 11:15	3:45	06/16 10:00	21.9
2026/06/16 20:30 - 06/16 21:15	0:45	06/16 21:15	10.2
2026/06/16 23:45 - 06/17 00:00	0:15	06/16 23:45	13.3
2026/06/17 01:30 - 06/17 02:15	0:45	06/17 02:15	9.2
2026/06/17 06:45 - 06/17 07:00	0:15	06/17 07:00	9.3
2026/06/17 08:15 - 06/17 09:30	1:15	06/17 08:30	11.5
2026/06/17 11:45 - 06/17 12:00	0:15	06/17 11:45	9.6
2026/06/17 14:00 - 06/17 15:00	1:00	06/17 14:45	11.4
2026/06/17 17:00 - 06/17 17:15	0:15	06/17 17:00	9.7
2026/06/17 18:45 - 06/17 21:15	2:30	06/17 20:00	16.9
2026/06/17 23:15 - 06/18 02:15	3:00	06/18 01:30	13.3
2026/06/18 06:45 - 06/18 07:30	0:45	06/18 07:15	10.5
2026/06/18 08:30 - 06/18 08:45	0:15	06/18 08:45	8.6
2026/06/18 11:15 - 06/18 12:30	1:15	06/18 11:30	9.5
2026/06/20 02:30 - 06/20 02:45	0:15	06/20 02:45	8.5
2026/06/21 13:15 - 06/21 15:15	2:00	06/21 14:00	11.7
2026/06/21 17:45 - 06/21 18:00	0:15	06/21 18:00	8.4
2026/06/22 09:15 - 06/22 10:00	0:45	06/22 09:15	11.5
2026/06/22 14:00 - 06/22 14:30	0:30	06/22 14:15	8.3
2026/06/22 16:45 - 06/22 20:30	3:45	06/22 17:00	24.8
2026/06/23 12:15 - 06/23 13:30	1:15	06/23 12:45	12.5
2026/06/23 15:00 - 06/23 15:45	0:45	06/23 15:30	12.1
2026/06/23 16:30 - 06/23 17:30	1:00	06/23 16:30	10.9
2026/06/23 19:30 - 06/23 20:00	0:30	06/23 19:30	10.3
2026/06/24 08:30 - 06/24 08:45	0:15	06/24 08:45	9.5
2026/06/24 09:45 - 06/24 10:30	0:45	06/24 10:15	9.5
2026/06/24 22:00 - 06/24 22:30	0:30	06/24 22:30	11.3
2026/06/25 00:30 - 06/25 02:30	2:00	06/25 02:30	11.7
2026/06/25 03:45 - 06/25 04:15	0:30	06/25 04:15	11.3
2026/06/25 07:15 - 06/25 10:45	3:30	06/25 10:00	13.8

==================================== 山川(鹿児島) ====================================

電離層嵐継続期間	継続時間	中央値との最大差を観測した日時	中央値との最大差[MHz]	foF2[MHz]
2026/06/06 11:45 - 06/07 04:30	16:45	06/06 15:00	-4.1	5.3

＃突発性電離層擾乱／冬季異常イベントは存在しません

スポラディックＥ継続期間	継続時間	Ｅｓ層臨界周波数の最大値を観測した日時	fxEs[MHz]
2026/05/16 18:30 - 05/16 20:45	2:15	05/16 19:15	15.2
2026/05/17 07:15 - 05/17 12:45	5:30	05/17 09:00	22.8
2026/05/17 15:45 - 05/17 16:00	0:15	05/17 15:45	9.2
2026/05/17 17:00 - 05/17 17:45	0:45	05/17 17:45	9.6
2026/05/17 20:00 - 05/17 21:00	1:00	05/17 20:45	11.1
2026/05/18 11:30 - 05/18 14:15	2:45	05/18 13:30	9.4
2026/05/18 18:15 - 05/18 21:15	3:00	05/18 19:45	11.6
2026/05/19 10:15 - 05/19 11:45	1:30	05/19 10:30	17.6
2026/05/19 13:00 - 05/19 13:15	0:15	05/19 13:15	8.6
2026/05/20 06:45 - 05/20 07:30	0:45	05/20 07:00	10.8
2026/05/20 09:30 - 05/20 09:45	0:15	05/20 09:45	8.6
2026/05/20 10:30 - 05/20 11:15	0:45	05/20 11:15	9.7
2026/05/20 17:15 - 05/20 20:45	3:30	05/20 19:30	10.5
2026/05/21 08:30 - 05/21 10:15	1:45	05/21 08:45	10.9
2026/05/21 17:30 - 05/21 19:00	1:30	05/21 18:00	12.0
2026/05/21 22:30 - 05/21 23:00	0:30	05/21 22:45	10.2
2026/05/22 03:15 - 05/22 05:00	1:45	05/22 04:30	15.5
2026/05/22 08:15 - 05/22 12:30	4:15	05/22 09:30	15.5
2026/05/22 18:15 - 05/22 18:30	0:15	05/22 18:30	9.4
2026/05/22 22:30 - 05/22 22:45	0:15	05/22 22:30	11.5
2026/05/22 23:30 - 05/23 01:45	2:15	05/23 00:15	10.9
2026/05/23 07:45 - 05/23 10:00	2:15	05/23 08:15	12.9
2026/05/23 11:15 - 05/23 13:45	2:30	05/23 13:15	12.6
2026/05/23 18:15 - 05/23 19:45	1:30	05/23 18:30	10.6
2026/05/24 00:30 - 05/24 00:45	0:15	05/24 00:45	11.5
2026/05/24 02:45 - 05/24 03:00	0:15	05/24 02:45	10.6
2026/05/24 11:45 - 05/24 12:45	1:00	05/24 12:00	11.6
2026/05/24 23:15 - 05/24 23:30	0:15	05/24 23:15	10.8
2026/05/25 16:45 - 05/25 17:00	0:15	05/25 16:45	8.8
2026/05/25 18:15 - 05/25 18:45	0:30	05/25 18:15	8.6
2026/05/25 23:00 - 05/25 23:15	0:15	05/25 23:15	9.4
2026/05/26 16:45 - 05/26 19:30	2:45	05/26 17:15	12.7
2026/05/26 20:15 - 05/26 20:30	0:15	05/26 20:15	9.2
2026/05/26 22:00 - 05/26 23:00	1:00	05/26 22:15	10.9
2026/05/26 23:45 - 05/27 00:30	0:45	05/27 00:00	12.6
2026/05/27 10:15 - 05/27 10:45	0:30	05/27 10:30	11.1
2026/05/28 21:00 - 05/28 22:30	1:30	05/28 22:00	16.8
2026/05/29 10:30 - 05/29 14:30	4:00	05/29 12:00	21.1
2026/05/29 21:45 - 05/29 22:15	0:30	05/29 21:45	10.3
2026/05/30 04:00 - 05/30 04:30	0:30	05/30 04:00	13.4
2026/05/30 07:45 - 05/30 15:00	7:15	05/30 11:30	18.9
2026/05/30 19:00 - 05/30 23:15	4:15	05/30 20:00	25.3
2026/05/31 08:00 - 05/31 11:30	3:30	05/31 10:15	29.0
2026/05/31 12:15 - 05/31 13:00	0:45	05/31 12:45	10.3
2026/05/31 15:30 - 05/31 15:45	0:15	05/31 15:30	9.4
2026/06/01 07:15 - 06/01 12:30	5:15	06/01 11:45	17.9
2026/06/01 23:45 - 06/02 01:45	2:00	06/01 23:45	16.9
2026/06/02 05:30 - 06/02 15:15	9:45	06/02 10:00	21.5
2026/06/02 20:30 - 06/02 22:15	1:45	06/02 21:30	16.1
2026/06/02 23:15 - 06/03 02:45	3:30	06/02 23:45	14.7
2026/06/03 08:00 - 06/03 12:15	4:15	06/03 11:15	28.7
2026/06/03 17:00 - 06/03 18:30	1:30	06/03 17:30	15.6
2026/06/04 00:00 - 06/04 00:30	0:30	06/04 00:15	9.3
2026/06/04 06:45 - 06/04 08:15	1:30	06/04 07:15	13.3
2026/06/04 09:45 - 06/04 10:45	1:00	06/04 10:00	12.2
2026/06/04 11:30 - 06/04 13:45	2:15	06/04 12:00	13.5
2026/06/04 15:45 - 06/04 16:00	0:15	06/04 15:45	9.2
2026/06/04 19:30 - 06/04 20:30	1:00	06/04 19:45	16.6
2026/06/05 00:30 - 06/05 00:45	0:15	06/05 00:45	8.0
2026/06/05 08:00 - 06/05 09:00	1:00	06/05 08:45	11.1
2026/06/05 10:00 - 06/05 11:00	1:00	06/05 10:45	10.1
2026/06/05 12:15 - 06/05 12:30	0:15	06/05 12:15	8.7
2026/06/05 13:15 - 06/05 20:15	7:00	06/05 16:30	21.6
2026/06/06 00:00 - 06/06 03:30	3:30	06/06 00:15	17.5
2026/06/06 06:15 - 06/06 07:30	1:15	06/06 06:45	22.7
2026/06/06 08:15 - 06/06 08:30	0:15	06/06 08:15	8.2
2026/06/06 09:15 - 06/06 12:00	2:45	06/06 11:00	15.4
2026/06/06 14:45 - 06/06 16:45	2:00	06/06 15:45	13.0
2026/06/06 19:15 - 06/06 19:30	0:15	06/06 19:15	9.5
2026/06/06 23:45 - 06/07 00:00	0:15	06/06 23:45	8.3
2026/06/07 01:00 - 06/07 02:00	1:00	06/07 01:45	12.4
2026/06/07 07:45 - 06/07 08:30	0:45	06/07 08:00	11.5
2026/06/07 10:15 - 06/07 17:45	7:30	06/07 14:45	27.1
2026/06/07 19:00 - 06/07 20:45	1:45	06/07 20:15	15.2
2026/06/08 09:45 - 06/08 10:30	0:45	06/08 10:15	12.8
2026/06/08 11:30 - 06/08 12:45	1:15	06/08 12:00	10.3
2026/06/08 13:30 - 06/08 18:30	5:00	06/08 17:30	26.9
2026/06/09 01:30 - 06/09 04:45	3:15	06/09 03:30	15.3
2026/06/09 07:45 - 06/09 08:15	0:30	06/09 07:45	8.2
2026/06/09 09:15 - 06/09 11:30	2:15	06/09 10:30	10.5
2026/06/09 12:45 - 06/09 13:30	0:45	06/09 13:30	11.6
2026/06/09 14:15 - 06/09 17:15	3:00	06/09 14:15	21.5
2026/06/09 18:45 - 06/09 19:15	0:30	06/09 19:15	8.2
2026/06/10 00:15 - 06/10 02:45	2:30	06/10 02:30	11.8
2026/06/10 08:30 - 06/10 15:45	7:15	06/10 14:00	18.6
2026/06/10 20:15 - 06/10 20:30	0:15	06/10 20:15	9.4
2026/06/11 07:15 - 06/11 10:15	3:00	06/11 08:30	24.0
2026/06/11 12:15 - 06/11 12:30	0:15	06/11 12:15	9.3
2026/06/11 13:45 - 06/11 15:45	2:00	06/11 15:15	19.4
2026/06/11 17:45 - 06/11 18:00	0:15	06/11 17:45	9.2
2026/06/12 07:00 - 06/12 07:30	0:30	06/12 07:15	11.6
2026/06/12 09:30 - 06/12 10:45	1:15	06/12 10:00	16.2
2026/06/12 12:30 - 06/12 13:00	0:30	06/12 12:30	9.9
2026/06/12 22:45 - 06/13 00:45	2:00	06/13 00:15	24.3
2026/06/13 07:45 - 06/13 13:00	5:15	06/13 10:15	21.1
2026/06/13 13:45 - 06/13 14:00	0:15	06/13 13:45	9.1
2026/06/13 16:45 - 06/13 18:15	1:30	06/13 17:00	14.7
2026/06/13 20:45 - 06/13 21:00	0:15	06/13 20:45	8.7
2026/06/14 07:45 - 06/14 12:45	5:00	06/14 12:15	18.9
2026/06/14 22:00 - 06/14 22:15	0:15	06/14 22:15	8.9
2026/06/14 23:00 - 06/15 00:30	1:30	06/14 23:15	9.4
2026/06/15 08:15 - 06/15 16:45	8:30	06/15 12:30	11.3
2026/06/15 17:30 - 06/15 17:45	0:15	06/15 17:30	8.3
2026/06/15 21:30 - 06/15 22:15	0:45	06/15 21:30	11.5
2026/06/16 00:15 - 06/16 00:30	0:15	06/16 00:30	10.7
2026/06/16 08:00 - 06/16 12:15	4:15	06/16 09:00	11.3
2026/06/16 15:15 - 06/16 15:30	0:15	06/16 15:30	9.1
2026/06/17 00:30 - 06/17 02:30	2:00	06/17 02:00	11.7
2026/06/17 03:45 - 06/17 04:45	1:00	06/17 04:45	9.8
2026/06/17 08:30 - 06/17 16:00	7:30	06/17 14:45	21.3
2026/06/17 17:15 - 06/17 23:15	6:00	06/17 20:45	26.9
2026/06/18 02:00 - 06/18 03:00	1:00	06/18 02:15	12.8
2026/06/18 05:00 - 06/18 06:30	1:30	06/18 06:15	11.6
2026/06/18 07:15 - 06/18 09:30	2:15	06/18 08:30	19.1
2026/06/18 11:45 - 06/18 12:45	1:00	06/18 12:45	13.1
2026/06/18 13:30 - 06/18 14:00	0:30	06/18 13:45	9.2
2026/06/19 00:45 - 06/19 01:00	0:15	06/19 00:45	9.3
2026/06/19 23:30 - 06/20 00:15	0:45	06/19 23:45	11.6
2026/06/20 02:45 - 06/20 03:00	0:15	06/20 02:45	24.3
2026/06/20 07:00 - 06/20 08:00	1:00	06/20 07:45	14.6
2026/06/20 09:00 - 06/20 11:30	2:30	06/20 10:15	13.3
2026/06/20 19:45 - 06/20 20:00	0:15	06/20 20:00	11.0
2026/06/21 12:30 - 06/21 13:45	1:15	06/21 12:45	10.7
2026/06/21 14:30 - 06/21 15:15	0:45	06/21 15:00	9.9
2026/06/22 04:45 - 06/22 05:30	0:45	06/22 05:15	10.7
2026/06/22 09:00 - 06/22 09:30	0:30	06/22 09:15	10.3
2026/06/22 11:00 - 06/22 11:15	0:15	06/22 11:15	9.5
2026/06/22 13:15 - 06/22 14:00	0:45	06/22 13:45	14.1
2026/06/22 15:45 - 06/22 19:15	3:30	06/22 17:15	14.1
2026/06/23 04:45 - 06/23 06:00	1:15	06/23 05:30	13.5
2026/06/23 09:15 - 06/23 12:45	3:30	06/23 12:15	16.0
2026/06/23 16:15 - 06/23 16:30	0:15	06/23 16:15	8.2
2026/06/24 08:30 - 06/24 08:45	0:15	06/24 08:30	11.6
2026/06/24 11:00 - 06/24 13:15	2:15	06/24 12:45	13.7
2026/06/25 00:30 - 06/25 01:00	0:30	06/25 01:00	11.0
2026/06/25 06:30 - 06/25 08:00	1:30	06/25 07:00	11.0
2026/06/25 09:30 - 06/25 09:45	0:15	06/25 09:45	11.0

==================================== 大宜味(沖縄) ====================================

電離層嵐継続期間	継続時間	中央値との最大差を観測した日時	中央値との最大差[MHz]	foF2[MHz]
2026/05/17 19:00 - 05/17 19:15	0:15	05/17 19:00	+9.7	20.7
2026/05/20 09:30 - 05/20 09:45	0:15	05/20 09:30	+11.5	19.1
2026/05/20 13:30 - 05/20 18:45	5:15	05/20 17:15	-3.6	7.5
2026/05/23 15:30 - 05/23 22:45	7:15	05/23 17:45	+11.2	22.4
2026/05/30 09:15 - 05/30 09:30	0:15	05/30 09:15	+11.7	19.2
2026/05/30 22:00 - 05/30 22:45	0:45	05/30 22:00	+10.6	19.2
2026/06/06 12:15 - 06/07 02:45	14:30	06/06 19:15	-5.1	5.7
2026/06/10 13:45 - 06/10 20:00	6:15	06/10 16:15	-4.4	6.7
2026/06/12 10:45 - 06/12 14:45	4:00	06/12 12:00	-3.9	5.3
2026/06/23 21:45 - 06/24 05:00	7:15	06/24 00:00	+4.5	13.1

＃突発性電離層擾乱／冬季異常イベントは存在しません

スポラディックＥ継続期間	継続時間	Ｅｓ層臨界周波数の最大値を観測した日時	fxEs[MHz]
2026/05/16 21:15 - 05/16 22:30	1:15	05/16 22:30	9.3
2026/05/17 08:15 - 05/17 11:00	2:45	05/17 10:15	29.2
2026/05/18 16:15 - 05/18 21:30	5:15	05/18 19:15	24.0
2026/05/18 22:15 - 05/18 23:30	1:15	05/18 23:30	10.6
2026/05/19 06:45 - 05/19 08:15	1:30	05/19 08:15	22.7
2026/05/19 10:00 - 05/19 11:15	1:15	05/19 10:30	12.8
2026/05/19 12:00 - 05/19 13:30	1:30	05/19 12:15	11.4
2026/05/19 16:00 - 05/19 16:15	0:15	05/19 16:15	9.5
2026/05/19 17:00 - 05/19 17:15	0:15	05/19 17:00	8.6
2026/05/20 07:00 - 05/20 07:30	0:30	05/20 07:30	10.6
2026/05/20 09:45 - 05/20 13:30	3:45	05/20 12:00	30.0
2026/05/20 18:15 - 05/20 18:45	0:30	05/20 18:30	9.2
2026/05/20 20:15 - 05/20 20:30	0:15	05/20 20:30	9.1
2026/05/20 21:30 - 05/20 22:45	1:15	05/20 22:00	10.5
2026/05/21 00:30 - 05/21 00:45	0:15	05/21 00:30	9.2
2026/05/21 08:30 - 05/21 13:30	5:00	05/21 10:30	19.1
2026/05/21 14:15 - 05/21 18:30	4:15	05/21 15:00	17.3
2026/05/21 21:00 - 05/21 22:00	1:00	05/21 21:30	12.7
2026/05/22 00:00 - 05/22 00:45	0:45	05/22 00:45	13.4
2026/05/22 01:30 - 05/22 01:45	0:15	05/22 01:30	9.3
2026/05/22 02:30 - 05/22 03:15	0:45	05/22 02:45	14.3
2026/05/22 04:15 - 05/22 06:00	1:45	05/22 05:30	17.2
2026/05/22 23:30 - 05/23 00:15	0:45	05/22 23:30	9.3
2026/05/23 08:00 - 05/23 10:00	2:00	05/23 09:15	14.7
2026/05/23 12:00 - 05/23 12:15	0:15	05/23 12:00	9.0
2026/05/23 13:00 - 05/23 13:15	0:15	05/23 13:00	8.7
2026/05/23 16:30 - 05/23 19:30	3:00	05/23 17:30	17.5
2026/05/24 02:30 - 05/24 03:00	0:30	05/24 02:45	9.3
2026/05/25 08:45 - 05/25 10:30	1:45	05/25 10:30	13.8
2026/05/25 12:15 - 05/25 12:45	0:30	05/25 12:30	9.5
2026/05/25 14:15 - 05/25 15:15	1:00	05/25 14:15	24.5
2026/05/25 18:00 - 05/25 20:45	2:45	05/25 19:00	22.5
2026/05/25 23:15 - 05/25 23:30	0:15	05/25 23:30	12.4
2026/05/26 00:15 - 05/26 00:30	0:15	05/26 00:30	10.5
2026/05/26 12:00 - 05/26 12:15	0:15	05/26 12:15	9.8
2026/05/26 16:45 - 05/26 20:15	3:30	05/26 17:45	9.1
2026/05/26 23:00 - 05/27 00:15	1:15	05/26 23:00	10.4
2026/05/27 09:45 - 05/27 10:30	0:45	05/27 10:30	16.3
2026/05/27 12:00 - 05/27 12:30	0:30	05/27 12:30	9.1
2026/05/27 13:30 - 05/27 17:30	4:00	05/27 14:15	26.0
2026/05/28 08:30 - 05/28 08:45	0:15	05/28 08:45	9.5
2026/05/28 13:30 - 05/28 14:15	0:45	05/28 13:30	26.7
2026/05/28 17:30 - 05/28 18:00	0:30	05/28 18:00	8.7
2026/05/30 04:00 - 05/30 04:30	0:30	05/30 04:15	10.5
2026/05/30 07:30 - 05/30 08:15	0:45	05/30 07:45	11.5
2026/05/30 09:15 - 05/30 14:15	5:00	05/30 12:30	30.0
2026/05/30 19:45 - 05/30 22:45	3:00	05/30 20:30	26.6
2026/05/30 23:30 - 05/30 23:45	0:15	05/30 23:30	8.9
2026/05/31 06:45 - 05/31 07:45	1:00	05/31 07:00	11.4
2026/05/31 08:30 - 05/31 11:45	3:15	05/31 11:45	23.0
2026/06/02 06:30 - 06/02 07:00	0:30	06/02 06:45	9.4
2026/06/02 08:30 - 06/02 09:30	1:00	06/02 09:15	15.1
2026/06/02 10:30 - 06/02 14:30	4:00	06/02 10:45	27.8
2026/06/02 19:45 - 06/02 20:30	0:45	06/02 20:15	13.3
2026/06/03 01:00 - 06/03 02:00	1:00	06/03 01:15	16.8
2026/06/03 02:45 - 06/03 03:30	0:45	06/03 02:45	10.6
2026/06/03 04:15 - 06/03 04:30	0:15	06/03 04:30	10.6
2026/06/03 10:00 - 06/03 10:15	0:15	06/03 10:00	17.5
2026/06/04 07:45 - 06/04 10:45	3:00	06/04 10:15	15.3
2026/06/04 18:45 - 06/04 21:45	3:00	06/04 19:45	15.4
2026/06/04 23:30 - 06/05 00:00	0:30	06/05 00:00	8.4
2026/06/05 11:30 - 06/05 13:00	1:30	06/05 12:00	12.6
2026/06/06 06:45 - 06/06 16:45	10:00	06/06 06:45	28.2
2026/06/06 18:30 - 06/06 18:45	0:15	06/06 18:30	10.4
2026/06/07 00:15 - 06/07 03:15	3:00	06/07 01:45	13.2
2026/06/07 05:45 - 06/07 08:30	2:45	06/07 05:45	29.9
2026/06/07 16:30 - 06/07 21:30	5:00	06/07 18:30	25.5
2026/06/08 09:15 - 06/08 20:45	11:30	06/08 18:30	28.0
2026/06/09 04:30 - 06/09 04:45	0:15	06/09 04:30	8.3
2026/06/09 05:45 - 06/09 06:15	0:30	06/09 05:45	12.4
2026/06/09 07:45 - 06/09 08:45	1:00	06/09 08:30	11.7
2026/06/09 10:00 - 06/09 14:30	4:30	06/09 11:30	27.2
2026/06/09 15:30 - 06/09 17:00	1:30	06/09 16:30	15.5
2026/06/09 18:00 - 06/09 18:15	0:15	06/09 18:00	8.3
2026/06/10 01:45 - 06/10 05:45	4:00	06/10 03:15	13.7
2026/06/10 07:45 - 06/10 14:00	6:15	06/10 10:00	14.7
2026/06/11 15:15 - 06/11 15:30	0:15	06/11 15:30	10.7
2026/06/11 18:00 - 06/11 19:00	1:00	06/11 18:45	26.6
2026/06/11 19:45 - 06/11 20:00	0:15	06/11 19:45	11.5
2026/06/12 05:15 - 06/12 10:15	5:00	06/12 07:15	22.8
2026/06/12 15:30 - 06/12 16:15	0:45	06/12 15:45	11.2
2026/06/13 00:30 - 06/13 00:45	0:15	06/13 00:30	9.3
2026/06/13 05:30 - 06/13 06:00	0:30	06/13 06:00	22.8
2026/06/13 07:15 - 06/13 08:00	0:45	06/13 07:45	13.6
2026/06/13 09:00 - 06/13 11:15	2:15	06/13 10:45	27.9
2026/06/13 13:30 - 06/13 13:45	0:15	06/13 13:30	9.7
2026/06/13 14:30 - 06/13 14:45	0:15	06/13 14:45	10.6
2026/06/14 10:00 - 06/14 10:15	0:15	06/14 10:00	11.6
2026/06/15 09:00 - 06/15 17:15	8:15	06/15 13:45	15.1
2026/06/15 18:45 - 06/15 19:15	0:30	06/15 19:00	11.4
2026/06/16 16:30 - 06/16 20:15	3:45	06/16 17:15	11.0
2026/06/17 01:45 - 06/17 02:00	0:15	06/17 02:00	11.4
2026/06/17 07:45 - 06/17 16:00	8:15	06/17 14:15	29.9
2026/06/17 17:15 - 06/18 00:45	7:30	06/17 23:30	28.7
2026/06/18 07:45 - 06/18 15:30	7:45	06/18 10:15	28.4
2026/06/19 11:00 - 06/19 14:15	3:15	06/19 12:30	22.9
2026/06/20 07:45 - 06/20 08:00	0:15	06/20 07:45	9.3
2026/06/20 08:45 - 06/20 12:30	3:45	06/20 11:15	19.6
2026/06/21 13:15 - 06/21 14:15	1:00	06/21 13:15	9.6
2026/06/21 15:00 - 06/21 16:00	1:00	06/21 16:00	9.9
2026/06/22 09:45 - 06/22 10:45	1:00	06/22 10:00	20.1
2026/06/22 11:45 - 06/22 12:15	0:30	06/22 11:45	9.9
2026/06/22 18:45 - 06/22 19:15	0:30	06/22 18:45	11.6
2026/06/23 09:15 - 06/23 09:30	0:15	06/23 09:30	10.5
2026/06/23 10:30 - 06/23 11:00	0:30	06/23 10:45	8.9
2026/06/23 15:30 - 06/23 15:45	0:15	06/23 15:30	13.4
2026/06/23 18:30 - 06/23 20:00	1:30	06/23 18:45	13.4
2026/06/24 13:15 - 06/24 15:15	2:00	06/24 15:15	16.9