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Air Quality History for Roy, United States

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

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

Air Quality Index Station

465h

PM2.5 Station

465h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 42 15–98 11.2 µg/m³ 24h 4
2026-05-28 35 18–54 8.3 µg/m³ 23h 4
2026-05-27 39 8–63 9.5 µg/m³ 23h 4
2026-05-26 33 12–54 8.0 µg/m³ 24h 4
2026-05-25 41 17–127 11.2 µg/m³ 23h 4
2026-05-24 31 15–57 7.6 µg/m³ 23h 4
2026-05-23 47 18–301 19.3 µg/m³ 23h 3
2026-05-22 43 29–77 10.7 µg/m³ 22h 5
2026-05-21 42 21–66 10.5 µg/m³ 24h 4
2026-05-20 46 21–101 11.9 µg/m³ 24h 4
2026-05-19 50 25–64 12.9 µg/m³ 24h 4
2026-05-18 46 14–73 12.2 µg/m³ 23h 4
2026-05-17 41 22–60 10.2 µg/m³ 23h 4
2026-05-16 44 8–69 11.3 µg/m³ 22h 3
2026-05-15 51 20–75 13.7 µg/m³ 24h 5
2026-05-14 49 12–153 13.2 µg/m³ 23h 4
2026-05-13 54 32–107 14.9 µg/m³ 24h 4
2026-05-12 44 25–82 11.1 µg/m³ 23h 5
2026-05-11 47 14–76 12.3 µg/m³ 23h 4
2026-05-10 55 30–107 14.8 µg/m³ 23h 4
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