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Air Quality History for Roanoke, United States

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

26
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

321h

PM2.5 Station

321h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 23 15–32 5.6 µg/m³ 3h 1
2026-07-21 44 10–111 12.3 µg/m³ 12h 2
2026-07-20 78 11–182 30.8 µg/m³ 16h 1
2026-07-19 75 34–153 24.0 µg/m³ 17h 2
2026-07-18 101 26–178 42.9 µg/m³ 17h 1
2026-07-17 113 14–267 64.2 µg/m³ 15h 2
2026-07-16 109 36–266 51.2 µg/m³ 19h 2
2026-07-15 47 33–99 11.9 µg/m³ 17h 2
2026-07-14 36 17–55 8.6 µg/m³ 13h 2
2026-07-13 47 3–278 20.9 µg/m³ 17h 1
2026-07-12 36 13–66 9.1 µg/m³ 18h 1
2026-07-11 32 17–53 7.7 µg/m³ 16h 2
2026-07-10 57 13–147 16.9 µg/m³ 9h 2
2026-07-09 34 6–63 8.4 µg/m³ 18h 1
2026-07-08 25 3–40 6.1 µg/m³ 19h 2
2026-07-07 30 2–66 7.4 µg/m³ 20h 2
2026-07-06 26 12–53 6.2 µg/m³ 11h 2
2026-07-05 29 2–54 7.0 µg/m³ 15h 1
2026-07-04 27 11–47 6.4 µg/m³ 19h 1
2026-07-03 43 1–76 11.4 µg/m³ 21h 1
2026-07-02 52 15–79 14.5 µg/m³ 9h 2
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