Air quality in Fresno today
United States · Updated Thursday 21:00 (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 | 9 µg/m³ | Good |
| PM10 | 10 µg/m³ | Good |
| NO₂ | 15 µg/m³ | Good |
| O₃ | 82 µg/m³ | Fair |
The pollutant that matters most in Fresno right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Fresno is expected to be worst around Fri 14:00 (AQI 56, moderate). The cleanest hour is expected around Fri 21:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 22:00 | 29 | Fair | 9 |
| Fri 01:00 | 35 | Fair | 11 |
| Fri 04:00 | 33 | Fair | 10 |
| Fri 07:00 | 38 | Fair | 14 |
| Fri 10:00 | 49 | Moderate | 30 |
| Fri 13:00 | 54 | Moderate | 26 |
| Fri 16:00 | 52 | Moderate | 17 |
| Fri 19:00 | 32 | Fair | 11 |
The last 30 days
Over the last 30 days the average daily AQI in Fresno was 45, with 5 day(s) rated poor or worse. The cleanest day was 5 Sept, the most polluted 23 Sept.
Questions and answers
- Is the air in Fresno good today?
- Right now the European Air Quality Index in Fresno is 31, which is fair. Fine for almost everyone.
- What pollutes the air in Fresno?
- At the moment O₃ contributes most to the air quality index in Fresno. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Fresno be cleanest?
- Over the next 24 hours the air in Fresno is expected to be worst around Fri 14:00 (AQI 56, moderate). The cleanest hour is expected around Fri 21:00.
- 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.