Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Tamil Nadu
Air quality index (AQI) and PM2.5 air pollution in Tamil Nadu
LIVE AQI CITY RANKING
Real-time Tamil Nadu
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Coimbatore | 144 |
| 2 | Ooty | 125 |
| 3 | Chennai | 88 |
| 4 | Tirunelveli | 88 |
| 5 | Irugur | 84 |
| 6 | Gummidipundi | 79 |
| 7 | Vellore | 78 |
| 8 | Cuddalore | 75 |
| 9 | Karur | 67 |
| 10 | Tiruppur | 67 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
6 Contributors
See all
LIVE AQI CITY RANKING
Real-time Tamil Nadu
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Salem | 41 |
| 2 | Madurai | 42 |
| 3 | Puliyur | 42 |
| 4 | Tanjore | 53 |
| 5 | Ramanathapuram | 55 |
| 6 | Karambakkudi | 58 |
| 7 | Ariyalur | 59 |
| 8 | Arimalam | 66 |
| 9 | Karur | 67 |
| 10 | Tiruppur | 67 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Tamil Nadu air quality data attribution
6Contributors
- Central Pollution Control Board
16 stations
- Tamil Nadu Pollution Control Board
1 station
- U.S. Department of State
1 station
4 Government Contributors
- Johnsanthosh
1 station
Non-profit organization Contributor
- Prasad
1 station
Individual Contributor
Which is the most polluted city in Tamil Nadu?
- Coimbatore 144
- Ooty 125
- Chennai 88
- Tirunelveli 88
- Irugur 84
- Gummidipundi 79
- Sivakasi 78
- Vellore 78
- Cuddalore 75
- Masinigudi 71
- Aruvankad 70
- Kotagiri 70
- Mettupalayam 70
- Naduvattam 70
- Punjai Puliyampatti 70
- Sathyamangalam 70
- Sirumugai 70
- Wellington 70
- Anamalais 69
- Annur 69
- Anthiyur 69
- Avinashi 69
- Bodinayakkanur 69
- Chettipalaiyam 69
- Cumbum 69
- Dhali 69
- Gobichettipalayam 69
- Gudalur 69
- Karamadai 69
- Kombai 69
- Madukkarai 69
- Nambiyur 69
- Periyanayakkanpalaiyam 69
- Periyanegamam 69
- Perur 69
- Pollachi 69
- Singanallur 69
- Sulur 69
- Valparai 69
- Vettaikkaranpudur 69
- Bhavani 68
- Chinnamanur 68
- Kumaralingam 68
- Palladam 68
- Periyapatti 68
- Perundurai 68
- Teni 68
- Udumalaippettai 68
- Uttamapalaiyam 68
- Uttukkuli 68
- Vijayapuri 68
- Andippatti 67
- Chennimalai 67
- Dharapuram 67
- Erode 67
- Idappadi 67
- Jalakandapuram 67
- Kangayam 67
- Karur 67
- Kiranur 67
- Kodaikanal 67
- Mettur 67
- Palani 67
- Periyakulam 67
- Tiruppur 67
- Arimalam 66
- Ayakudi 66
- Devadanappatti 66
- Konganapuram 66
- Nangavalli 66
- Sivagiri 66
- Taramangalam 66
- Tiruchengode 66
- Attayyampatti 65
- Denkanikota 65
- Elumalai 65
- Hosur 65
- Ilampillai 65
- Kodumudi 65
- Mallasamudram 65
- Mulanur 65
- Omalur 65
- Pennagaram 65
- Usilampatti 65
- Vattalkundu 65
- Kelamangalam 64
- Mallur 64
- Nilakottai 64
- Pallappatti 64
- Rajapalaiyam 64
- Rasipuram 64
- Velur 64
- Cholapuram 63
- Marandahalli 63
- Mohanur 63
- Namagiripettai 63
- Namakkal 63
- Palakkodu 63
- Papparappatti 63
- Peraiyur 63
- Puliyangudi 63
- Srivilliputhur 63
- Vasudevanallur 63
- Alangulam 62
- Alwa Tirunagari 62
- Ambasamudram 62
- Arumuganeri 62
- Dharmapuri 62
- Dindigul 62
- Elayirampannai 62
- Eral 62
- Erumaippatti 62
- Gangaikondan 62
- Kadambur 62
- Kadayanallur 62
- Kallidaikurichi 62
- Kallupatti 62
- Kalugumalai 62
- Kattupputtur 62
- Kayalpattinam 62
- Kayattar 62
- Korampallam 62
- Kovilpatti 62
- Mallapuram 62
- Nanguneri 62
- Puduppatti 62
- Sathankulam 62
- Sattur 62
- Srivaikuntam 62
- Surandai 62
- Thoothukudi 62
- Tiruchchendur 62
- Tiruttangal 62
- Udangudi 62
- Vadakku Viravanallur 62
- Vadippatti 62
- Vedasandur 62
- Alanganallur 61
- Ettaiyapuram 61
- Kalakkadu 61
- Kaveripatnam 61
- Krishnagiri 61
- Kuttalam 61
- Thenkasi 61
- Tisaiyanvilai 61
- Vadakku Valliyur 61
- Vadamadurai 61
- Virudunagar 61
- Aruppukkottai 60
- Belur 60
- Colachel 60
- Eraniel 60
- Kariapatti 60
- Kulattur 60
- Kuzhithurai 60
- Manavalakurichi 60
- Mettuppalaiyam 60
- Nagercoil 60
- Padmanabhapuram 60
- Palamedu 60
- Pallippatti 60
- Papireddippatti 60
- Pudur 60
- Suchindram 60
- Tattayyangarpettai 60
- Tirupparangunram 60
- Uppiliyapuram 60
- Vilattikulam 60
- Alangayam 59
- Ambur 59
- Ariyalur 59
- Gangavalli 59
- Gudiyatham 59
- Harur 59
- Jalarpet 59
- Kanniyakumari 59
- Kulittalai 59
- Kunnattur 59
- Manapparai 59
- Musiri 59
- Nattam 59
- Odugattur 59
- Pallikondai 59
- Peranampattu 59
- Turaiyur 59
- V.S.K.Valasai (Dindigul-Dist.) 59
- Vaniyambadi 59
- Arumbavur 58
- Attur 58
- Iluppur 58
- Karambakkudi 58
- Katpadi 58
- Melur 58
- Tiruchirappalli 58
- Tiruppuvanam 58
- Viraganur 58
- Annavasal 57
- Arcot 57
- Arni 57
- Chengam 57
- Kalavai 57
- Lalgudi 57
- Pallipattu 57
- Perambalur 57
- Polur 57
- Ponnamaravati 57
- Pullambadi 57
- Sholinghur 57
- Thirukattupalli 57
- Thiruthani 57
- Walajapet 57
- Alagapuram 56
- Arakkonam 56
- Ayyampettai 56
- Cheyyar 56
- Chinna Salem 56
- Dusi 56
- Kamuthi 56
- Kanchipuram 56
- Papanasam 56
- Peranamallur 56
- Pudukkottai 56
- Sriperumbudur 56
- Thiruvaiyaru 56
- Tiruvallur 56
- Vallam 56
- Wallajahbad 56
- Abiramam 55
- Ammapettai 55
- Avadi 55
- Chingleput 55
- Desur 55
- Gingee 55
- Guduvancheri 55
- Jayamkondacholapuram 55
- Kallakkurichchi 55
- Kumbakonam 55
- Madambakkam 55
- Manalurpettai 55
- Mattur 55
- Nandambakkam 55
- Pennadam 55
- Pennathur 55
- Poonamalle 55
- Ramanathapuram 55
- Sayalkudi 55
- Singapperumalkovil 55
- Swamimalai 55
- Tambaram 55
- Tinnanur 55
- Tirukkoyilur 55
- Tiruvannamalai 55
- Uttiramerur 55
- Vandalur 55
- Vandavasi 55
- Vellanur 55
- Vettavalam 55
- Aduthurai 54
- Alandur 54
- Alangudi 54
- Ambattur 54
- Chetput 54
- Injambakkam 54
- Kanadukattan 54
- Karumbakkam 54
- Madipakkam 54
- Madurantakam 54
- Manamadurai 54
- Manappakkam 54
- Mudukulattur 54
- Nangilickondan 54
- Naravarikuppam 54
- Pallavaram 54
- Panruti 54
- Perungudi 54
- Porur 54
- Puduvayal 54
- Saint Thomas Mount 54
- Sivaganga 54
- Srimushnam 54
- Thiruvidaimaruthur 54
- Tindivanam 54
- Valangaiman 54
- Valavanur 54
- Vengavasal 54
- Vikravandi 54
- Villupuram 54
- Vriddhachalam 54
- Alappakkam 53
- Auroville 53
- Cheyyur 53
- Chidambaram 53
- Chinnasekkadu 53
- Gandhi Nagar 53
- George Town 53
- Karaikkudi 53
- Kil Bhuvanagiri 53
- Koradachcheri 53
- Kottaiyur 53
- Kurinjippadi 53
- Manali 53
- Marakkanam 53
- Mayiladuthurai 53
- Minjur 53
- Nattarasankottai 53
- Needamangalam 53
- Neelankarai 53
- Nellikkuppam 53
- Palavakkam 53
- Pallattur 53
- Paramagudi 53
- Ponneri 53
- Seven Pagodas 53
- Tanjore 53
- Tiruvottiyur 53
- Annamalainagar 52
- Arantangi 52
- Devakottai 52
- Kattivakkam 52
- Keelakarai 52
- Koothanallur 52
- Madukkur 52
- Mangalam 52
- Mannargudi 52
- Nannilam 52
- Pattukkottai 52
- Peravurani 52
- Sirkazhi 52
- Thiruvarur 52
- Tirumullaivasal 51
- Adirampattinam 50
- Periyapattinam 50
- Kilvelur 49
- Muttupet 49
- Tharangambadi 49
- Tiruppalaikudi 49
- Nambutalai 48
- Tondi 48
- Mandapam 47
- Negapatam 47
- Velankanni 46
- Rameswaram 44
- Vedaraniyam 43
- Madurai 42
- Puliyur 42
- Salem 41
AQI US, Metric