Air Quality History for Altoona, United States
Historical PM2.5 and AQI trend from monitoring stations near Altoona, United States.
25
Current AQI
Good CAMS model
Good CAMS model
Air Quality Index Station
475hPM2.5 Station
475h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-05-29 | 14 | 1–38 | 3.3 µg/m³ | 0.8 | 20h | 2 |
| 2026-05-28 | 21 | 1–37 | 5.2 µg/m³ | 2.9 | 23h | 3 |
| 2026-05-27 | 28 | 13–49 | 6.7 µg/m³ | 4.8 | 24h | 3 |
| 2026-05-26 | 28 | 19–45 | 6.8 µg/m³ | 4.7 | 24h | 3 |
| 2026-05-25 | 20 | 14–28 | 4.8 µg/m³ | 3.5 | 24h | 3 |
| 2026-05-24 | 24 | 11–40 | 5.7 µg/m³ | 2.1 | 23h | 2 |
| 2026-05-23 | 22 | 10–32 | 5.3 µg/m³ | 2.7 | 24h | 3 |
| 2026-05-22 | 19 | 4–38 | 4.7 µg/m³ | 2.6 | 24h | 3 |
| 2026-05-21 | 17 | 11–38 | 4.1 µg/m³ | 1.6 | 24h | 3 |
| 2026-05-20 | 36 | 21–56 | 8.6 µg/m³ | 10.1 | 24h | 3 |
| 2026-05-19 | 51 | 28–79 | 13.7 µg/m³ | 16.2 | 24h | 3 |
| 2026-05-18 | 52 | 39–64 | 13.1 µg/m³ | 16.0 | 24h | 3 |
| 2026-05-17 | 45 | 20–56 | 10.9 µg/m³ | 13.6 | 24h | 3 |
| 2026-05-16 | 25 | 6–71 | 6.2 µg/m³ | 3.7 | 24h | 3 |
| 2026-05-15 | 16 | 7–27 | 3.7 µg/m³ | 1.6 | 24h | 2 |
| 2026-05-14 | 18 | 2–31 | 4.4 µg/m³ | 3.8 | 24h | 3 |
| 2026-05-13 | 21 | 8–36 | 5.0 µg/m³ | 3.5 | 24h | 3 |
| 2026-05-12 | 15 | 2–25 | 3.6 µg/m³ | 1.8 | 24h | 3 |
| 2026-05-11 | 20 | 7–38 | 4.8 µg/m³ | 0.9 | 22h | 3 |
| 2026-05-10 | 24 | 7–44 | 5.9 µg/m³ | 4.9 | 24h | 3 |
| 2026-05-09 | 26 | 20–30 | 6.3 µg/m³ | 4.2 | 3h | 3 |