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Air Quality History for Crown Point, United States

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

54
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 174 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 52 52–52 12.4 µg/m³ 1h 174
2026-10-20 53 23–73 13.9 µg/m³ 24h 154
2026-10-19 27 21–40 6.5 µg/m³ 24h 175
2026-10-18 22 17–34 5.3 µg/m³ 24h 161
2026-10-17 17 13–23 4.0 µg/m³ 24h 175
2026-10-16 20 11–44 4.8 µg/m³ 24h 167
2026-10-15 24 14–42 5.8 µg/m³ 24h 175
2026-10-14 40 18–56 9.7 µg/m³ 24h 174
2026-10-13 34 26–52 8.3 µg/m³ 24h 174
2026-10-12 42 31–56 10.1 µg/m³ 24h 175
2026-10-11 31 28–38 7.5 µg/m³ 24h 175
2026-10-10 29 25–42 7.0 µg/m³ 24h 153
2026-10-09 32 24–46 7.8 µg/m³ 24h 158
2026-10-08 27 20–37 6.6 µg/m³ 24h 171
2026-10-07 28 23–42 6.6 µg/m³ 24h 164
2026-10-06 25 19–35 6.1 µg/m³ 24h 163
2026-10-05 29 18–40 7.0 µg/m³ 24h 171
2026-10-04 25 18–35 5.9 µg/m³ 24h 158
2026-10-03 20 15–25 4.8 µg/m³ 24h 168
2026-10-02 16 14–20 4.0 µg/m³ 24h 173
2026-10-01 54 25–60 14.1 µg/m³ 21h 173
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