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Air Quality History for McHenry, United States

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

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 28 24–32 6.7 µg/m³ 2h 2
2026-07-21 60 29–97 17.5 µg/m³ 24h 78
2026-07-20 98 55–107 34.2 µg/m³ 24h 77
2026-07-19 109 63–160 39.8 µg/m³ 24h 80
2026-07-18 50 9–92 13.3 µg/m³ 24h 79
2026-07-17 225 74–348 170.5 µg/m³ 24h 84
2026-07-16 164 48–329 108.6 µg/m³ 24h 78
2026-07-15 51 48–60 12.5 µg/m³ 24h 80
2026-07-14 59 51–66 15.8 µg/m³ 24h 78
2026-07-13 60 46–64 16.3 µg/m³ 24h 80
2026-07-12 48 30–56 11.9 µg/m³ 24h 77
2026-07-11 36 23–45 8.6 µg/m³ 24h 64
2026-07-10 34 23–52 8.1 µg/m³ 24h 77
2026-07-09 50 36–53 12.1 µg/m³ 24h 81
2026-07-08 55 49–60 14.2 µg/m³ 22h 85
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