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Air Quality History for Roy, United States

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

57
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

456h

PM2.5 Station

456h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 48 18–75 12.8 µg/m³ 23h 5
2026-07-20 52 20–87 13.6 µg/m³ 24h 5
2026-07-19 51 31–78 13.5 µg/m³ 24h 5
2026-07-18 47 20–77 12.2 µg/m³ 24h 5
2026-07-17 90 31–163 32.1 µg/m³ 24h 6
2026-07-16 62 21–181 20.7 µg/m³ 24h 6
2026-07-15 46 30–88 11.9 µg/m³ 24h 5
2026-07-14 54 28–197 17.7 µg/m³ 24h 6
2026-07-13 35 11–62 8.5 µg/m³ 24h 5
2026-07-12 39 20–88 9.7 µg/m³ 24h 5
2026-07-11 41 21–68 10.1 µg/m³ 24h 5
2026-07-10 49 5–212 18.2 µg/m³ 24h 4
2026-07-09 41 16–198 14.0 µg/m³ 24h 6
2026-07-08 37 22–58 8.9 µg/m³ 24h 5
2026-07-07 49 12–220 19.7 µg/m³ 24h 5
2026-07-06 56 17–199 22.0 µg/m³ 13h 6
2026-07-05 47 27–86 12.2 µg/m³ 24h 6
2026-07-04 38 12–67 9.6 µg/m³ 22h 6
2026-07-03 48 5–198 15.9 µg/m³ 24h 6
2026-07-02 53 15–77 13.9 µg/m³ 13h 5
2026-07-01 39 39–39 9.4 µg/m³ 1h 8
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