Air quality in Duluth today
United States · Updated Thursday 18:00 (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 | 6 µg/m³ | Good |
| PM10 | 6 µg/m³ | Good |
| NO₂ | 3 µg/m³ | Good |
| O₃ | 86 µg/m³ | Fair |
The pollutant that matters most in Duluth right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Duluth is expected to be worst around Fri 15:00 (AQI 44, moderate). The cleanest hour is expected around Fri 03:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 19:00 | 32 | Fair | 6 |
| Thu 22:00 | 29 | Fair | 5 |
| Fri 01:00 | 24 | Fair | 5 |
| Fri 04:00 | 23 | Fair | 6 |
| Fri 07:00 | 26 | Fair | 8 |
| Fri 10:00 | 25 | Fair | 8 |
| Fri 13:00 | 39 | Fair | 6 |
| Fri 16:00 | 44 | Moderate | 7 |
The last 30 days
Over the last 30 days the average daily AQI in Duluth was 27, with 0 day(s) rated poor or worse. The cleanest day was 13 Sept, the most polluted 11 Sept.
Questions and answers
- Is the air in Duluth good today?
- Right now the European Air Quality Index in Duluth is 33, which is fair. Fine for almost everyone.
- What pollutes the air in Duluth?
- At the moment O₃ contributes most to the air quality index in Duluth. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Duluth be cleanest?
- Over the next 24 hours the air in Duluth is expected to be worst around Fri 15:00 (AQI 44, moderate). The cleanest hour is expected around Fri 03:00.
- 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.