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Air Quality History for Upper Alton, United States

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

31
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

466h

PM2.5 Station

466h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 33 11–71 8.4 µg/m³ 18h 3
2026-05-28 26 18–52 6.3 µg/m³ 24h 3
2026-05-27 30 10–69 7.4 µg/m³ 24h 3
2026-05-26 32 22–53 7.6 µg/m³ 23h 3
2026-05-25 28 17–53 6.7 µg/m³ 24h 3
2026-05-24 35 15–76 8.8 µg/m³ 24h 3
2026-05-23 24 7–46 5.9 µg/m³ 24h 3
2026-05-22 23 6–38 5.5 µg/m³ 24h 2
2026-05-21 24 12–32 5.8 µg/m³ 24h 3
2026-05-20 26 12–36 6.2 µg/m³ 23h 3
2026-05-19 37 11–69 9.1 µg/m³ 24h 2
2026-05-18 39 17–63 9.5 µg/m³ 23h 2
2026-05-17 36 22–57 8.8 µg/m³ 22h 2
2026-05-16 42 19–76 10.5 µg/m³ 21h 3
2026-05-15 35 21–67 8.6 µg/m³ 23h 3
2026-05-14 41 19–137 10.5 µg/m³ 24h 3
2026-05-13 35 20–62 8.5 µg/m³ 24h 2
2026-05-12 31 18–63 7.5 µg/m³ 24h 3
2026-05-11 27 18–42 6.5 µg/m³ 24h 3
2026-05-10 27 12–65 6.6 µg/m³ 22h 3
2026-05-09 31 28–35 7.5 µg/m³ 3h 3
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