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Air Quality History for Hefei, China

Historical PM2.5 and AQI trend from monitoring stations near Hefei, China.

33
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 30 30–30 7.3 µg/m³ 1h 4
2026-07-21 48 5–77 12.8 µg/m³ 22h 6
2026-07-20 55 25–76 15.5 µg/m³ 24h 6
2026-07-19 65 25–149 19.6 µg/m³ 24h 6
2026-07-18 57 21–155 16.8 µg/m³ 23h 6
2026-07-17 57 35–167 16.3 µg/m³ 24h 8
2026-07-16 78 28–218 33.6 µg/m³ 24h 6
2026-07-15 50 30–121 12.8 µg/m³ 24h 7
2026-07-14 50 35–66 12.6 µg/m³ 24h 8
2026-07-13 48 23–92 12.5 µg/m³ 24h 7
2026-07-12 47 29–65 11.8 µg/m³ 24h 8
2026-07-11 48 22–73 12.0 µg/m³ 24h 7
2026-07-10 58 44–79 15.4 µg/m³ 23h 8
2026-07-09 51 23–67 13.1 µg/m³ 24h 6
2026-07-08 49 21–62 12.2 µg/m³ 22h 9
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