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Air Quality History for Knoxville, United States

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

23
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

195h

PM2.5 Station

195h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 28 24–30 6.7 µg/m³ 7h 2
2026-07-21 31 26–41 7.5 µg/m³ 7h 2
2026-07-20 41 31–46 9.8 µg/m³ 5h 2
2026-07-19 37 22–45 8.9 µg/m³ 5h 2
2026-07-18 40 34–47 9.5 µg/m³ 3h 2
2026-07-15 19 14–23 4.5 µg/m³ 4h 2
2026-07-14 15 14–17 3.6 µg/m³ 3h 2
2026-07-13 15 10–20 3.6 µg/m³ 6h 2
2026-07-12 25 16–30 6.1 µg/m³ 9h 2
2026-07-11 26 20–39 6.2 µg/m³ 14h 2
2026-07-10 32 25–40 7.6 µg/m³ 19h 1
2026-07-09 34 26–40 8.2 µg/m³ 11h 1
2026-07-08 31 23–44 7.5 µg/m³ 11h 1
2026-07-07 31 18–43 7.4 µg/m³ 6h 1
2026-07-06 39 35–43 9.3 µg/m³ 7h 2
2026-07-05 80 24–153 26.3 µg/m³ 22h 2
2026-07-04 38 30–60 9.2 µg/m³ 24h 2
2026-07-03 57 51–66 15.0 µg/m³ 24h 2
2026-07-02 60 51–67 16.5 µg/m³ 8h 2
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