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Air Quality History for Crystal Lake, United States

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

24
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 PM10 avg Hours Stations
2026-06-09 24 16–34 5.7 µg/m³ 1.0 14h 71
2026-06-08 45 31–56 10.8 µg/m³ 3.9 24h 83
2026-06-07 27 21–36 6.5 µg/m³ 2.2 24h 82
2026-06-06 42 25–53 10.1 µg/m³ — 24h 79
2026-06-05 51 42–55 12.6 µg/m³ 1.2 24h 81
2026-06-04 38 28–50 9.1 µg/m³ 4.0 24h 83
2026-06-03 28 23–32 6.6 µg/m³ 1.8 24h 83
2026-06-02 23 21–25 5.4 µg/m³ 1.1 24h 83
2026-06-01 25 20–30 5.9 µg/m³ — 24h 73
2026-05-31 23 20–28 5.6 µg/m³ 1.0 24h 83
2026-05-30 41 19–70 10.8 µg/m³ 8.6 24h 83
2026-05-29 25 18–32 6.1 µg/m³ 1.4 24h 83
2026-05-28 27 20–42 6.4 µg/m³ 2.3 24h 75
2026-05-27 44 25–63 11.0 µg/m³ 10.2 24h 83
2026-05-26 27 26–28 6.5 µg/m³ 1.6 10h 83
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