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Air Quality History for Harrisburg, United States

Historical PM2.5 and AQI trend from monitoring stations near Harrisburg, United States.

25
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

461h

PM2.5 Station

461h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 21 11–35 5.0 µg/m³ 16h 4
2026-05-28 30 23–41 7.3 µg/m³ 22h 4
2026-05-27 34 28–53 8.1 µg/m³ 23h 3
2026-05-26 31 17–54 7.5 µg/m³ 24h 4
2026-05-25 24 8–44 5.8 µg/m³ 23h 4
2026-05-24 27 9–51 6.5 µg/m³ 24h 4
2026-05-23 26 18–32 6.3 µg/m³ 24h 5
2026-05-22 26 8–62 6.4 µg/m³ 24h 4
2026-05-21 22 11–31 5.2 µg/m³ 24h 4
2026-05-20 32 19–45 7.7 µg/m³ 23h 4
2026-05-19 42 26–61 10.4 µg/m³ 21h 4
2026-05-18 48 36–61 11.7 µg/m³ 23h 4
2026-05-17 39 15–52 9.3 µg/m³ 24h 4
2026-05-16 28 14–53 6.8 µg/m³ 19h 3
2026-05-15 23 13–40 5.4 µg/m³ 23h 3
2026-05-14 23 18–31 5.6 µg/m³ 24h 3
2026-05-13 27 12–37 6.5 µg/m³ 24h 4
2026-05-12 22 14–32 5.2 µg/m³ 23h 4
2026-05-11 24 14–47 5.8 µg/m³ 24h 4
2026-05-10 32 12–53 7.6 µg/m³ 24h 3
2026-05-09 35 27–40 8.4 µg/m³ 5h 3
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