24 hrs avg AQI
PM2.5 ✓
The current PM2.5 concentration in Chiang Mai is ✓below the recommended limit given by the WHO 24 hrs air quality guidelines value.
| LOCATIONS | Status | AQI-US | AQI-IN | PM2.5 | PM10 | Temp | Humid |
|---|---|---|---|---|---|---|---|
| Chiangmai Cmis | GOOD | 50 | 20 | 12 | 16 | 22 | 100 |
| Yupparaj Wittayalai School | GOOD | 38 | 21 | 9 | 21 | 22 | 100 |
| Ban Thammapakorn | GOOD | 38 | 15 | 9 | 14 | 23 | 100 |
| Hpc 1 | MODERATE | 63 | 30 | 18 | 19 | 23 | 100 |
Local Time
Wind speed
33 km/h
UV Index
16
Pressure
800 mb
Wear Mask
Stay Indoors
Windows
Use Purifier
Family
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Chiang Mai
24 hrs avg AQI
Quick answers to some commonly asked questions about the air pollution of Chiang Mai.
The real-time air quality in Chiang Mai is 22 (GOOD) AQI now. This was last updated 24 minutes ago .
The current concentration of PM2.5 in Chiang Mai is 12 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ as the threshold concentration of PM2.5. Currently, the concentration is 0.48 times the recommended limit.
Generally, the air quality at Chiang Mai starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.
You should wear a good N95 mask when you go outdoor in Chiang Mai until the AQI is improving upto moderate range.
Office going people should avoid personal vehicles and use public transportations or carpooling.
(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.
(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.
Indoor air pollution in Chiang Mai is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.
In Chiang Mai, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in Chiang Mai is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.
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