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San Pa Tong (Chiang Mai) (TH)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Clear sky
27°C
Clear sky
Humidity
49.8%
Wind
5 m/s
Pressure
1009.5 hPa
Direction
269°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
21° / 37°
Precip.
0mm
Max wind
6.4 m/s

Hourly Forecast

09.04
Now
Weather
27°
09.04
16:00
Weather
25°
09.04
17:00
Weather
24°
09.04
18:00
Weather
23°
09.04
19:00
Weather
23°
09.04
20:00
Weather
22°
09.04
21:00
Weather
22°
09.04
22:00
Weather
21°
09.04
23:00
Weather
21°
10.04
00:00
Weather
21°
10.04
01:00
Weather
25°
10.04
02:00
Weather
27°
10.04
03:00
Weather
30°
10.04
04:00
Weather
32°
10.04
05:00
Weather
33°
10.04
06:00
Weather
34°
10.04
07:00
Weather
36°
10.04
08:00
Weather
37°
6
10.04
09:00
Weather
36°
6
10.04
10:00
Weather
35°
6
10.04
11:00
Weather
34°
6
10.04
12:00
Weather
32°
6
10.04
13:00
Weather
32°
6
10.04
14:00
Weather
30°
6

Temperature

37°C
21°C
15:00
27°C
16:00
25°C
17:00
24°C
18:00
23°C
19:00
23°C
20:00
22°C
21:00
22°C
22:00
21°C
23:00
21°C
00:00
21°C
01:00
25°C
02:00
27°C
03:00
30°C
04:00
32°C
05:00
33°C
06:00
34°C
07:00
36°C
08:00
37°C
09:00
36°C
10:00
35°C
11:00
34°C
12:00
32°C
13:00
32°C
14:00
30°C
15:00 02:00 14:00

Precipitation

0mm
0mm
15:00 02:00 14:00

Wind

6.4m/s
0m/s
15:00
4.5 m/s
16:00
4.1 m/s
17:00
3.7 m/s
18:00
2.9 m/s
19:00
2.5 m/s
20:00
2.2 m/s
21:00
2.4 m/s
22:00
2.5 m/s
23:00
2.4 m/s
00:00
2.5 m/s
01:00
1.7 m/s
02:00
1.6 m/s
03:00
1.4 m/s
04:00
1.8 m/s
05:00
2.5 m/s
06:00
3.3 m/s
07:00
4.6 m/s
08:00
6.1 m/s
09:00
6.4 m/s
10:00
5.9 m/s
11:00
5.5 m/s
12:00
5.9 m/s
13:00
5.9 m/s
14:00
5.8 m/s
15:00 02:00 14:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
20.6 km
198
66%

Measurement time: 2026-04-09 16:00

Calculated from PM2.5/PM10

PM2.5
20.6 km
148 µg/m3
176.2%

Measurement time: 2026-04-09 16:00

source: Aqicn

PM10
20.6 km
82 µg/m3
58.6%

Measurement time: 2026-04-09 16:00

source: Aqicn

O3
22 km
49.98 µg/m3
31.2%

Measurement time: 2026-04-09 15:55

source: OpenWeatherMap

NO2
20.6 km
7.5 µg/m3
3.8%

Measurement time: 2026-04-09 16:00

source: Aqicn

CO
22 km
0.16662 mg/m3
1.2%

Measurement time: 2026-04-09 15:55

source: OpenWeatherMap

SO2
22 km
0.77 µg/m3
0.2%

Measurement time: 2026-04-09 15:55

source: OpenWeatherMap

Info


Country: Thailand
Region: Chiang Mai
Latitude: 18.62828
Longitude: 98.89572

Cities in the area:


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0 W/m²
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About Air Quality in San Pa Tong

Air quality in San Pa Tong is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in San Pa Tong

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in San Pa Tong?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in San Pa Tong

If you're planning outdoor activities in San Pa Tong, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.