Air Quality History for Harrisburg, United States
Historical PM2.5 and AQI trend from monitoring stations near Harrisburg, United States.
35
Current AQI
Good Station
Good Station
Air Quality Index Station
427hPM2.5 Station
427h · 3 stationsTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-07-22 | 33 | 22–50 | 7.8 µg/m³ | 8h | 5 |
| 2026-07-21 | 44 | 12–83 | 11.5 µg/m³ | 23h | 4 |
| 2026-07-20 | 41 | 23–77 | 10.2 µg/m³ | 22h | 3 |
| 2026-07-19 | 48 | 21–72 | 12.5 µg/m³ | 22h | 3 |
| 2026-07-18 | 76 | 29–160 | 25.2 µg/m³ | 24h | 3 |
| 2026-07-17 | 82 | 21–173 | 32.9 µg/m³ | 24h | 4 |
| 2026-07-16 | 96 | 10–255 | 46.6 µg/m³ | 19h | 3 |
| 2026-07-15 | 55 | 8–111 | 16.0 µg/m³ | 23h | 4 |
| 2026-07-14 | 28 | 6–45 | 6.8 µg/m³ | 24h | 4 |
| 2026-07-13 | 37 | 10–62 | 9.2 µg/m³ | 24h | 4 |
| 2026-07-12 | 37 | 9–49 | 8.8 µg/m³ | 22h | 4 |
| 2026-07-11 | 33 | 17–52 | 7.9 µg/m³ | 24h | 4 |
| 2026-07-10 | 31 | 9–49 | 7.5 µg/m³ | 24h | 4 |
| 2026-07-09 | 28 | 9–52 | 6.8 µg/m³ | 22h | 4 |
| 2026-07-08 | 33 | 19–46 | 7.9 µg/m³ | 21h | 3 |
| 2026-07-07 | 29 | 18–54 | 6.9 µg/m³ | 19h | 3 |
| 2026-07-06 | 33 | 8–58 | 8.1 µg/m³ | 11h | 3 |
| 2026-07-05 | 35 | 8–61 | 8.5 µg/m³ | 19h | 3 |
| 2026-07-04 | 30 | 7–79 | 7.7 µg/m³ | 22h | 2 |
| 2026-07-03 | 44 | 21–68 | 11.3 µg/m³ | 20h | 3 |
| 2026-07-02 | 48 | 21–64 | 12.3 µg/m³ | 10h | 3 |