Air quality in Hämeenlinna today
Finland · Updated Friday 02:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Good European AQI
Clean air. A great time to be outside.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 2 µg/m³ | Good |
| PM10 | 3 µg/m³ | Good |
| NO₂ | 1 µg/m³ | Good |
| O₃ | 52 µg/m³ | Fair |
The pollutant that matters most in Hämeenlinna right now is O₃.
Forecast: next 24 hours
The air in Hämeenlinna should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 05:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 03:00 | 16 | Good | 2 |
| Fri 06:00 | 13 | Good | 3 |
| Fri 09:00 | 15 | Good | 3 |
| Fri 12:00 | 16 | Good | 3 |
| Fri 15:00 | 16 | Good | 2 |
| Fri 18:00 | 16 | Good | 2 |
| Fri 21:00 | 18 | Good | 2 |
| Sat 00:00 | 16 | Good | 2 |
The last 30 days
Over the last 30 days the average daily AQI in Hämeenlinna was 18, with 0 day(s) rated poor or worse. The cleanest day was 23 Sept, the most polluted 16 Sept.
Questions and answers
- Is the air in Hämeenlinna good today?
- Right now the European Air Quality Index in Hämeenlinna is 17, which is good. Clean air. A great time to be outside.
- What pollutes the air in Hämeenlinna?
- At the moment O₃ contributes most to the air quality index in Hämeenlinna. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Hämeenlinna be cleanest?
- The air in Hämeenlinna should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 05:00.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.