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Air Quality History for Hefei, China

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

39
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 50 17–64 12.8 µg/m³ 21h 6
2026-07-20 64 35–153 18.8 µg/m³ 24h 6
2026-07-19 64 31–156 19.1 µg/m³ 24h 6
2026-07-18 56 24–139 15.8 µg/m³ 24h 5
2026-07-17 55 31–190 17.1 µg/m³ 24h 7
2026-07-16 85 28–216 36.8 µg/m³ 24h 7
2026-07-15 50 32–94 13.1 µg/m³ 24h 7
2026-07-14 53 41–73 13.7 µg/m³ 24h 8
2026-07-13 44 28–82 11.2 µg/m³ 24h 7
2026-07-12 47 30–71 11.7 µg/m³ 24h 7
2026-07-11 46 27–62 11.4 µg/m³ 24h 6
2026-07-10 52 36–81 13.5 µg/m³ 24h 8
2026-07-09 52 35–75 13.4 µg/m³ 24h 7
2026-07-08 45 32–62 11.0 µg/m³ 24h 9
2026-07-07 46 28–82 11.7 µg/m³ 24h 9
2026-07-06 42 6–70 10.4 µg/m³ 15h 7
2026-07-05 50 22–103 13.6 µg/m³ 24h 9
2026-07-04 46 30–81 12.0 µg/m³ 24h 7
2026-07-03 48 27–85 12.2 µg/m³ 24h 9
2026-07-02 58 32–79 15.7 µg/m³ 12h 8
2026-07-01 60 60–60 16.4 µg/m³ 1h 12
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