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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
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

318h

PM2.5 Station

318h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily 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 36 23–46 8.6 µg/m³ 13h 3
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