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Air Quality History for Four Corners, United States

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

18
Current AQI
Good CAMS model

Air Quality Index Station

433h

PM2.5 Station

433h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 26 15–36 6.1 µg/m³ 2h 1
2026-10-20 31 12–62 7.6 µg/m³ 20h 2
2026-10-19 33 10–102 9.2 µg/m³ 20h 2
2026-10-18 27 13–47 6.4 µg/m³ 24h 2
2026-10-17 32 10–197 12.7 µg/m³ 19h 2
2026-10-16 48 10–315 23.3 µg/m³ 22h 2
2026-10-15 20 9–39 4.7 µg/m³ 20h 2
2026-10-14 30 12–107 7.8 µg/m³ 19h 2
2026-10-13 37 9–72 9.5 µg/m³ 21h 2
2026-10-12 41 12–134 11.8 µg/m³ 21h 3
2026-10-11 29 5–59 7.0 µg/m³ 22h 2
2026-10-10 38 17–119 10.0 µg/m³ 23h 2
2026-10-09 48 6–165 15.4 µg/m³ 22h 3
2026-10-08 42 13–153 12.2 µg/m³ 22h 3
2026-10-07 41 9–144 11.3 µg/m³ 24h 2
2026-10-06 58 18–147 17.2 µg/m³ 24h 3
2026-10-05 38 12–72 9.5 µg/m³ 23h 3
2026-10-04 32 12–73 7.9 µg/m³ 23h 3
2026-10-03 40 10–112 10.6 µg/m³ 24h 3
2026-10-02 39 17–71 9.8 µg/m³ 19h 3
2026-10-01 33 9–56 8.0 µg/m³ 19h 3
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