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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.

21
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
2026-05-29 22 18–30 5.3 µg/m³ 1.1 16h 72
2026-05-28 26 20–38 6.2 µg/m³ 2.3 24h 76
2026-05-27 44 26–63 11.0 µg/m³ 10.2 24h 84
2026-05-26 32 26–48 7.5 µg/m³ 3.8 24h 83
2026-05-25 49 29–76 13.3 µg/m³ 10.3 24h 84
2026-05-24 50 35–60 12.7 µg/m³ 1.7 24h 83
2026-05-23 27 21–35 6.4 µg/m³ 1.2 24h 82
2026-05-22 23 19–31 5.5 µg/m³ — 24h 79
2026-05-21 21 15–37 5.1 µg/m³ — 24h 82
2026-05-20 18 15–24 4.2 µg/m³ — 24h 82
2026-05-19 25 17–39 5.8 µg/m³ — 24h 82
2026-05-18 43 18–52 10.3 µg/m³ 2.4 24h 83
2026-05-17 47 30–59 11.6 µg/m³ 4.0 24h 83
2026-05-16 33 26–42 7.8 µg/m³ 2.7 24h 82
2026-05-15 25 24–28 6.1 µg/m³ 1.0 8h 82
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