Air Quality History for Duluth, United States
Historical PM2.5 and AQI trend from monitoring stations near Duluth, United States.
70
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
391hPM2.5 Station
391h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-05-30 | 80 | 80–80 | 25.8 µg/m³ | 26.0 | 1h | 1 |
| 2026-05-29 | 42 | 17–104 | 11.3 µg/m³ | 11.9 | 24h | 1 |
| 2026-05-28 | 11 | 3–29 | 2.5 µg/m³ | 2.6 | 19h | 1 |
| 2026-05-27 | 20 | 4–49 | 4.8 µg/m³ | 5.2 | 19h | 1 |
| 2026-05-26 | 16 | 2–56 | 3.8 µg/m³ | 4.2 | 13h | 1 |
| 2026-05-25 | 16 | 1–57 | 4.0 µg/m³ | 4.3 | 19h | 1 |
| 2026-05-24 | 26 | 5–65 | 6.5 µg/m³ | 6.8 | 18h | 1 |
| 2026-05-23 | 23 | 5–60 | 5.5 µg/m³ | 5.8 | 22h | 1 |
| 2026-05-22 | 44 | 4–75 | 11.8 µg/m³ | 12.1 | 21h | 1 |
| 2026-05-21 | 61 | 11–88 | 18.2 µg/m³ | 18.5 | 24h | 1 |
| 2026-05-20 | 49 | 19–84 | 13.5 µg/m³ | 13.7 | 24h | 1 |
| 2026-05-19 | 42 | 2–69 | 10.8 µg/m³ | 11.3 | 24h | 1 |
| 2026-05-18 | 26 | 12–56 | 6.3 µg/m³ | 6.5 | 23h | 1 |
| 2026-05-17 | 66 | 31–88 | 19.9 µg/m³ | 20.4 | 24h | 1 |
| 2026-05-16 | 38 | 4–78 | 9.7 µg/m³ | 10.1 | 22h | 1 |
| 2026-05-15 | 6 | 4–8 | 1.4 µg/m³ | 1.8 | 3h | 1 |
| 2026-05-14 | 22 | 3–55 | 5.3 µg/m³ | 5.5 | 13h | 1 |
| 2026-05-13 | 14 | 4–38 | 3.3 µg/m³ | 3.4 | 23h | 1 |
| 2026-05-12 | 15 | 4–47 | 3.5 µg/m³ | 3.6 | 11h | 1 |
| 2026-05-11 | 42 | 5–65 | 11.1 µg/m³ | 11.5 | 23h | 1 |
| 2026-05-10 | 32 | 1–75 | 8.1 µg/m³ | 8.4 | 21h | 1 |