Air Quality in Chiang Rai, Thailand

Drizzle
23.6°C · 88.8% humidity
23.6°
Feels 23.6°
83
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
67 11pm
59
88
83 2am
78
75
72 5am
70
69
68 8am
68
47
47 11am
47
66
66 2pm
66
66
66 5pm
66
66
66 8pm
66
66
Station readings
67
59
88
CAMS model adj +12
66
66
66
54
54
54
54
54
54
54
54
34
34
34
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 4 stn

Chiang Rai's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. The worst conditions typically occur from February to April during the regional burning season. Current PM2.5 concentration in Chiang Rai is 5.5× the WHO annual guideline of 5 µg/m³.

88.8%
Humidity
13.7 km/h
Wind W
1005.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
83
27.39 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Chiang Rai?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.527.39 µg/m³ ×1.8 WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (17 stations within 25 km)
27.39
Median
21.43
Average
10.33
Low
31.5
High
PM2.5 µg/m³ · Model: 19.2 · Bias: -8.2

What is the 7-day forecast for Chiang Rai?

05-28
29.9° 23.5°
7.5 mm
05-29
31.6° 21.9°
9.13 mm
05-30
31.2° 22.3°
6.69 mm
05-31
27.8° 21.7°
14.25 mm
06-01
29.4° 22.5°
18.06 mm
06-02
29.2° 23.0°
18.19 mm
06-03
30.7° 21.6°
6.56 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Chiang Rai?

50
เทศบาลนครเชียงราย อ.เมือง จ.เชียงราย
0.6 km 33.8°C 49.0% RH PM2.5: 12.0 µg/m³ PM10: 14.0 µg/m³
22
Mueang Chiang Rai
0.9 km PM2.5: 5.3 µg/m³
99
รพ.เชียงรายประชานุเคราะห์ ต.รอบเวียง อ.เมือง จ.เชียงราย
0.9 km 35.5°C PM2.5: 35.0 µg/m³ PM10: 42.0 µg/m³
89
รพ.เชียงรายประชานุเคราะห์
0.9 km PM2.5: 30.0 µg/m³
55
Natural Resources and Environment Office, Chiangrai, Thailand (สำนักงานทรัพยากรธรรมชาติและสิ่งแวดล้อมจังหวัดเชียงราย)
0.9 km PM2.5: 14.0 µg/m³
76
Natural Resources and Environment Office, Chiangrai, Thailand (สำนักงานทรัพยากรธรรมชาติและสิ่งแวดล้อมจังหวัดเชียงราย)
0.9 km PM2.5: 24.0 µg/m³
55
Natural Resources and Environment Office, Chiangrai, Thailand (สำนักงานทรัพยากรธรรมชาติและสิ่งแวดล้อมจังหวัดเชียงราย)
0.9 km PM2.5: 14.0 µg/m³
91
รพ.สต.บ้านโป่งพระบาท อ.เมือง จ.เชียงราย
7.8 km 32.3°C 63.0% RH PM2.5: 31.0 µg/m³ PM10: 37.0 µg/m³
23
Chiangrai - Gaia Station 07, Thailand
9.1 km PM2.5: 5.5 µg/m³
25
Chiangrai - Gaia Station 07, Thailand
9.1 km PM2.5: 6.0 µg/m³

What cities are near Chiang Rai?

82 Mae Chan 57 Ban Khoan 71 Mae Sai 71 Tachilek 124 Ban Houakhoua 50 Phayao 56 Dok Kham Tai 12 San Kamphaeng 56 Möng Yawng 35 Chiang Mai
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T19:02 UTC.