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Air Quality History for Roy, United States

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

78
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

474h

PM2.5 Station

474h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-08 49 40–56 12.3 µg/m³ 4h 6
2026-08-07 44 18–64 11.0 µg/m³ 22h 7
2026-08-06 53 31–71 13.8 µg/m³ 23h 7
2026-08-05 56 39–93 15.2 µg/m³ 24h 8
2026-08-04 59 10–152 16.6 µg/m³ 24h 8
2026-08-03 47 25–60 11.6 µg/m³ 24h 6
2026-08-02 51 30–72 13.2 µg/m³ 24h 7
2026-08-01 46 31–63 11.3 µg/m³ 24h 6
2026-07-31 56 27–160 15.5 µg/m³ 24h 7
2026-07-30 66 1–305 26.7 µg/m³ 24h 6
2026-07-29 49 20–84 12.7 µg/m³ 24h 7
2026-07-28 51 29–72 13.0 µg/m³ 24h 7
2026-07-27 52 29–223 17.7 µg/m³ 24h 7
2026-07-26 42 22–64 10.5 µg/m³ 24h 7
2026-07-25 46 28–69 11.3 µg/m³ 24h 7
2026-07-24 53 29–79 13.8 µg/m³ 24h 8
2026-07-23 50 24–81 13.0 µg/m³ 24h 8
2026-07-22 47 17–62 11.6 µg/m³ 24h 9
2026-07-21 50 10–66 12.6 µg/m³ 24h 7
2026-07-20 52 18–74 13.7 µg/m³ 24h 7
2026-07-19 49 17–70 12.6 µg/m³ 17h 6
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