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Air Quality History for Chiang Mai, Thailand

Historical PM2.5 and AQI trend from monitoring stations near Chiang Mai, Thailand.

178
Current AQI
Unhealthy
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

258h · 78 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-10 162 116–188 84.0 µg/m³ 93.4 20h 80
2026-04-09 168 68–199 103.2 µg/m³ 110.1 20h 58
2026-04-08 177 154–194 106.5 µg/m³ 114.2 11h 69
2026-04-07 176 152–230 102.1 µg/m³ 112.5 24h 82
2026-04-06 189 159–237 120.6 µg/m³ 130.1 17h 79
2026-04-04 226 187–283 173.7 µg/m³ 187.5 15h 81
2026-04-03 226 171–289 167.3 µg/m³ 182.0 24h 78
2026-04-02 220 166–323 160.2 µg/m³ 183.6 20h 76
2026-04-01 228 178–299 173.1 µg/m³ 186.6 23h 58
2026-03-31 192 146–265 125.3 µg/m³ 134.9 21h 50
2026-03-30 220 159–311 158.6 µg/m³ 173.3 13h 47
2026-03-29 208 151–316 140.7 µg/m³ 153.2 23h 72
2026-03-28 203 155–280 137.3 µg/m³ 149.8 23h 67
2026-03-27 194 179–211 135.8 µg/m³ 147.6 4h 53
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