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Air Quality History for Hanoi, Vietnam

Historical PM2.5 and AQI trend from monitoring stations near Hanoi, Vietnam.

114
Current AQI
Unhealthy for sensitive groups Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 98 75–135 33.8 µg/m³ 39.3 23h 2
2026-07-20 73 16–131 23.6 µg/m³ 28.1 24h 2
2026-07-19 35 10–70 8.9 µg/m³ 10.8 24h 2
2026-07-18 18 8–57 4.3 µg/m³ 6.7 24h 2
2026-07-17 22 9–47 5.3 µg/m³ 7.8 24h 2
2026-07-16 39 17–69 10.0 µg/m³ 12.4 24h 2
2026-07-15 62 46–96 17.6 µg/m³ 21.4 24h 2
2026-07-14 61 51–76 16.8 µg/m³ 18.6 24h 2
2026-07-13 65 19–122 20.0 µg/m³ 23.2 24h 2
2026-07-12 57 14–82 15.9 µg/m³ 19.2 24h 2
2026-07-11 93 73–107 32.0 µg/m³ 40.5 24h 3
2026-07-10 57 12–92 16.8 µg/m³ 20.9 24h 3
2026-07-09 47 19–86 12.4 µg/m³ 14.5 23h 2
2026-07-08 71 19–140 21.7 µg/m³ 26.6 23h 2
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