Air quality in Penza today
Russia · Updated Friday 10:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Fair European AQI
Fine for almost everyone.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 3 µg/m³ | Good |
| PM10 | 4 µg/m³ | Good |
| NO₂ | 2 µg/m³ | Good |
| O₃ | 65 µg/m³ | Fair |
The pollutant that matters most in Penza right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Penza is expected to be worst around Sat 02:00 (AQI 45, moderate). The cleanest hour is expected around Fri 11:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 11:00 | 24 | Fair | 3 |
| Fri 14:00 | 25 | Fair | 7 |
| Fri 17:00 | 29 | Fair | 9 |
| Fri 20:00 | 32 | Fair | 11 |
| Fri 23:00 | 40 | Fair | 13 |
| Sat 02:00 | 45 | Moderate | 18 |
| Sat 05:00 | 42 | Moderate | 18 |
| Sat 08:00 | 41 | Moderate | 18 |
The last 30 days
Over the last 30 days the average daily AQI in Penza was 27, with 0 day(s) rated poor or worse. The cleanest day was 31 Aug, the most polluted 21 Sept.
Questions and answers
- Is the air in Penza good today?
- Right now the European Air Quality Index in Penza is 23, which is fair. Fine for almost everyone.
- What pollutes the air in Penza?
- At the moment O₃ contributes most to the air quality index in Penza. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Penza be cleanest?
- Over the next 24 hours the air in Penza is expected to be worst around Sat 02:00 (AQI 45, moderate). The cleanest hour is expected around Fri 11:00.
- 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.