Air quality in Mount Vernon today
United States · Updated Thursday 21:00 (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 | 5 µg/m³ | Good |
| PM10 | 5 µg/m³ | Good |
| NO₂ | 6 µg/m³ | Good |
| O₃ | 59 µg/m³ | Fair |
The pollutant that matters most in Mount Vernon right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Mount Vernon is expected to be worst around Fri 16:00 (AQI 47, moderate). The cleanest hour is expected around Fri 04:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 22:00 | 19 | Good | 4 |
| Fri 01:00 | 17 | Good | 3 |
| Fri 04:00 | 14 | Good | 3 |
| Fri 07:00 | 17 | Good | 3 |
| Fri 10:00 | 27 | Fair | 3 |
| Fri 13:00 | 39 | Fair | 4 |
| Fri 16:00 | 47 | Moderate | 5 |
| Fri 19:00 | 35 | Fair | 6 |
Questions and answers
- Is the air in Mount Vernon good today?
- Right now the European Air Quality Index in Mount Vernon is 20, which is good. Clean air. A great time to be outside.
- What pollutes the air in Mount Vernon?
- At the moment O₃ contributes most to the air quality index in Mount Vernon. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Mount Vernon be cleanest?
- Over the next 24 hours the air in Mount Vernon is expected to be worst around Fri 16:00 (AQI 47, moderate). The cleanest hour is expected around Fri 04:00.
- 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.