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Air quality in Chiang Mai

Air quality index (AQI⁺) and PM2.5 air pollution in Chiang Mai • 16:30, Nov 15

CM MediclinicThailand Pollution Control DepartmentAiroTEC CMRUScience and Technology Service Center, Chiang Mai University (STSC-CMU)Space EaterySISB Schoolcomputers UCISTonkla School ChiangmaiAirQ@cnxVaree Chiangmai International SchoolZynthierNakornpayap International SchoolAiroTEC CMRUPayap UniversitybcBright Seeds International KindergartenLanna International SchoolPeter EisenbacherTarWongบจก. กาดสันคะยอม ออนไลน์Khuang Sri BoonD&KCR7ChatkulAmerican Pacific International SchoolHotel MAYURut WongVictorPaultchenThe Prince Royal’s CollegeMr BeanLake view parkpomGunFoon ร้านกันฝุ่นODPC 1Teera KlaiPanyaden International SchoolDiddkingsamanahavemailSKKMill Hill International School ThailandHana Christian International KindergartenGrace International SchoolChiang Mai MunicipalitySaidaroon Kindergarten SchoolLuang NuaAmericana Chinese International School - ACISmatteoSamAmerican Pacific International School (Primary)Chiangmai Life Construction Co. Ltd.PIRABRonLewis KingAmbassador Bilingual Academy - ABAbenjamas sittidechTouch Hill Place ElegantNorth-Chiang Mai Universityร้านแซลทู คาเฟ่NWhomeChiang Mai Internaitonal School (CMIS)KTLa CasitaTSXGrace Church Frank M.ริกกีIQAir Community MemberAnonymousPinta Home Lannacom Company LimitedNikorn.LMii Paa Aii @ Mea KamponGFranciszek KuliberdaASMDarunee Farm, Doi Lo, Chaing MaiLEX TECH™GYangAkecmtdEast SwasdiburiMJRBaanDoitoneUdompong YongdechasathitMZBegin PlayspaceMikepws concretekankanok Ville1NaturacharmKaoChaoAnonymous contributor
CM MediclinicThailand Pollution Control DepartmentAiroTEC CMRUScience and Technology Service Center, Chiang Mai University (STSC-CMU)Space EaterySISB Schoolcomputers UCISTonkla School ChiangmaiAirQ@cnxVaree Chiangmai International SchoolZynthierNakornpayap International SchoolAiroTEC CMRUPayap UniversitybcBright Seeds International KindergartenLanna International SchoolPeter EisenbacherTarWongบจก. กาดสันคะยอม ออนไลน์Khuang Sri BoonD&KCR7ChatkulAmerican Pacific International SchoolHotel MAYURut WongVictorPaultchenThe Prince Royal’s CollegeMr BeanLake view parkpomGunFoon ร้านกันฝุ่นODPC 1Teera KlaiPanyaden International SchoolDiddkingsamanahavemailSKKMill Hill International School ThailandHana Christian International KindergartenGrace International SchoolChiang Mai MunicipalitySaidaroon Kindergarten SchoolLuang NuaAmericana Chinese International School - ACISmatteoSamAmerican Pacific International School (Primary)Chiangmai Life Construction Co. Ltd.PIRABRonLewis KingAmbassador Bilingual Academy - ABAbenjamas sittidechTouch Hill Place ElegantNorth-Chiang Mai Universityร้านแซลทู คาเฟ่NWhomeChiang Mai Internaitonal School (CMIS)KTLa CasitaTSXGrace Church Frank M.ริกกีIQAir Community MemberAnonymousPinta Home Lannacom Company LimitedNikorn.LMii Paa Aii @ Mea KamponGFranciszek KuliberdaASMDarunee Farm, Doi Lo, Chaing MaiLEX TECH™GYangAkecmtdEast SwasdiburiMJRBaanDoitoneUdompong YongdechasathitMZBegin PlayspaceMikepws concretekankanok Ville1NaturacharmKaoChaoAnonymous contributor

Live most polluted city ranking

Real-time Chiang Mai most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Thailand

Nong Hoi

118

2
The national flag of Thailand

Doi Tao

109

3
The national flag of Thailand

Chiang Dao

76

4
The national flag of Thailand

San Sai

75

5
The national flag of Thailand

Chang Klan

70

6
The national flag of Thailand

Fa Ham

69

7
The national flag of Thailand

San Kamphaeng

69

8
The national flag of Thailand

Hot

68

9
The national flag of Thailand

Mae Rim

68

10
The national flag of Thailand

Samoeng

67

Live cleanest city ranking

Real-time Chiang Mai cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Thailand

Ban Pong

33

2
The national flag of Thailand

Mae On

33

3
The national flag of Thailand

Wat Ket

44

4
The national flag of Thailand

Mae Wang

50

5
The national flag of Thailand

Suthep

52

6
The national flag of Thailand

Nong Chom

53

7
The national flag of Thailand

Phra Sing

54

8
The national flag of Thailand

Mae Hia

55

9
The national flag of Thailand

Hang Dong

56

10
The national flag of Thailand

Nam Phrae

56

Wildfires in Chiang Mai

Real-time information

Active fires

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Aerial view of a traditional temple complex surrounded by dense greenery. Several buildings with red and orange tiled roofs are partially obscured by thick haze, reducing visibility across the landscape.
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Polluted skies over Dhaka.
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November 15, 2026: Dhaka among top 10 most polluted cities in the world

A foggy, hazy view of India Gate in New Delhi. Several cyclists in bright yellow high-visibility jackets ride along the wide road leading toward the monument, with the arch barely visible through the thick smog.
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India Air Quality Alert

Which is the most polluted city in Chiang Mai?