Air quality in Casper today
United States · Updated Thursday 18:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Moderate European AQI
Sensitive people may want to take it easier outdoors.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 2 µg/m³ | Good |
| PM10 | 2 µg/m³ | Good |
| NO₂ | 1 µg/m³ | Good |
| O₃ | 104 µg/m³ | Moderate |
The pollutant that matters most in Casper right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Casper is expected to be worst around Fri 17:00 (AQI 52, moderate). The cleanest hour is expected around Fri 04:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 19:00 | 38 | Fair | 2 |
| Thu 22:00 | 26 | Fair | 2 |
| Fri 01:00 | 19 | Good | 2 |
| Fri 04:00 | 11 | Good | 3 |
| Fri 07:00 | 14 | Good | 3 |
| Fri 10:00 | 17 | Good | 4 |
| Fri 13:00 | 40 | Fair | 2 |
| Fri 16:00 | 49 | Moderate | 1 |
The last 30 days
Over the last 30 days the average daily AQI in Casper was 27, with 0 day(s) rated poor or worse. The cleanest day was 21 Sept, the most polluted 9 Sept.
Questions and answers
- Is the air in Casper good today?
- Right now the European Air Quality Index in Casper is 44, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Casper?
- At the moment O₃ contributes most to the air quality index in Casper. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Casper be cleanest?
- Over the next 24 hours the air in Casper is expected to be worst around Fri 17:00 (AQI 52, 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.