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Air Quality History for Heyan, China

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

62
Current AQI
Moderate CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

186h

PM2.5 Station

186h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 60 57–63 16.4 µg/m³ 2h 1
2026-07-21 65 20–112 19.7 µg/m³ 14h 1
2026-07-20 66 42–101 19.6 µg/m³ 16h 1
2026-07-19 62 30–116 18.2 µg/m³ 11h 1
2026-07-18 57 25–76 15.9 µg/m³ 11h 1
2026-07-17 49 26–73 12.4 µg/m³ 8h 1
2026-07-16 47 25–80 12.2 µg/m³ 14h 1
2026-07-15 49 27–81 13.2 µg/m³ 12h 1
2026-07-14 59 17–99 17.4 µg/m³ 8h 2
2026-07-13 56 25–97 15.7 µg/m³ 20h 1
2026-07-12 47 13–70 12.1 µg/m³ 12h 1
2026-07-11 53 18–97 15.1 µg/m³ 16h 1
2026-07-10 53 20–97 15.0 µg/m³ 12h 1
2026-07-09 53 30–82 14.3 µg/m³ 15h 2
2026-07-08 41 13–59 10.2 µg/m³ 15h 1
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