Open data for research
CSV files for analysts, journalists and researchers: official alerts since 2022 by oblast and hromada, the number of means of attack per night, weather and a calendar. UTF-8 encoding, comma-separated, field names in the first row, days in Kyiv time.
Official air-raid alerts per oblast per day
Average time under alert per hromada, how many hromadas had an alert, the maximum.
Period: 2022-03-15 → yesterday
Fields
| date | Kyiv calendar day |
|---|---|
| oblast | zone slug |
| oblast_name | name |
| hromadas | hromadas in the oblast |
| hromadas_alerted | hromadas with any alert that day |
| avg_minutes | minutes under alert, mean over the oblast's hromadas |
| max_minutes | the most minutes any of its hromadas had |
| avg_red_minutes | red-level minutes, mean over hromadas |
Sources: Ukraine Alarm (official API), alerts.in.ua; before Aug 2026 ukrainian-air-raid-sirens-dataset (MIT, V. Klymenko). Levels before Aug 2026 are not known and are recorded as red.
Official air-raid alerts per hromada per day (days with an alert)
Only days when the hromada had an alert. A large file: ~0.5 million rows a year.
Period: 2022-03-15 → now
Fields
| date | Kyiv calendar day |
|---|---|
| hromada | COD-AB hromada id |
| hromada_name | name |
| oblast | zone slug |
| minutes | minutes under alert |
| red_minutes | red-level minutes |
| alerts | alerts that started that day |
Sources: Ukraine Alarm (official API), alerts.in.ua; before Aug 2026 ukrainian-air-raid-sirens-dataset (MIT, V. Klymenko). Levels before Aug 2026 are not known and are recorded as red.
Means of attack launched per night, as the Air Force reported
How many attack drones and missiles were launched per night, as the Air Force reported. No directions or results.
Period: from the summaries AERIS has read
Fields
| night | the night to this date (Kyiv), as in «у ніч на …» |
|---|---|
| type | STRIKE_UAV | BALLISTIC_MISSILE | CRUISE_MISSILE | GUIDED_AIR_MISSILE | MISSILE |
| launched | count launched, as reported (not confirmed; no interceptions or directions) |
Sources: Ukrainian Air Force official morning summaries (t.me/kpszsu).
Daily weather at regional centres and sea points
Centres of Ukraine’s oblasts, Russian border regions and points over the Black and Azov seas.
Period: 2022-02-24 → 2 days ago
Fields
| date | UTC day |
|---|---|
| point | ua-<oblast> | ru-<region> | sea-<area> |
| country | UA | RU | SEA |
| temp_mean | °C |
| precip_sum | mm |
| cloud_mean | % cover |
| wind_mean | m/s at 10 m |
| wind_max | m/s at 10 m |
Sources: Open-Meteo historical weather (ERA5), CC BY 4.0.
Calendar features
Day of the week, moon phase and length of the night in Kyiv.
Period: any year from 2022
Fields
| date | day |
|---|---|
| weekday | 1 = Monday … 7 = Sunday |
| moon | moon's lit fraction, 0 new … 1 full |
| night_hours | sunset to sunrise in Kyiv, hours |
Sources: Computed (astronomical approximations).
Terms of use
AERIS data may be used freely with a credit to “AERIS (aeris-app.com)” and to the original sources: Ukraine Alarm, alerts.in.ua, the ukrainian-air-raid-sirens-dataset (MIT), the Ukrainian Air Force, Open-Meteo / ERA5 (CC BY 4.0).
There are no target positions, trajectories, launch directions, interceptions or impact locations here, and there never will be. The alert level before August 2026 is unknown and recorded as red.