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 |  Ooty | 117 |
| 2 | Vellore | 100 |
| 3 | Cuddalore | 96 |
| 4 | Coimbatore | 90 |
| 5 | Irugur | 75 |
| 6 | Salem | 72 |
| 7 | Gummidipundi | 66 |
| 8 | Arimalam | 62 |
| 9 | Karur | 62 |
| 10 | Ariyalur | 58 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
5 Contributors
See all
LIVE AQI CITY RANKING
Real-time Tamil Nadu
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Karambakkudi | 27 |
| 2 | Puliyur | 40 |
| 3 | Madurai | 43 |
| 4 | Ramanathapuram | 47 |
| 5 | Chennai | 49 |
| 6 | Tanjore | 56 |
| 7 | Ariyalur | 58 |
| 8 | Arimalam | 62 |
| 9 | Karur | 62 |
| 10 | Gummidipundi | 66 |
(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
5Contributors
- Central Pollution Control Board
17 stations
- Tamil Nadu Pollution Control Board
1 station
3 Government Contributors
- Johnsanthosh
1 station
Non-profit organization Contributor
- Prasad
1 station
Individual Contributor
Which is the most polluted city in Tamil Nadu?
- Ooty 117
- Vellore 100
- Cuddalore 96
- Coimbatore 90
- Irugur 75
- Salem 72
- Denkanikota 70
- Hosur 70
- Kelamangalam 69
- Marandahalli 68
- Kaveripatnam 67
- Krishnagiri 67
- Palakkodu 67
- Papparappatti 67
- Pennagaram 67
- Anthiyur 66
- Dharmapuri 66
- Gummidipundi 66
- Harur 66
- Idappadi 66
- Ilampillai 66
- Jalakandapuram 66
- Jalarpet 66
- Konganapuram 66
- Kunnattur 66
- Mallapuram 66
- Mettur 66
- Nangavalli 66
- Omalur 66
- Pallippatti 66
- Papireddippatti 66
- Taramangalam 66
- Alangayam 65
- Ambur 65
- Attayyampatti 65
- Belur 65
- Chengam 65
- Mallur 65
- Peranampattu 65
- Vaniyambadi 65
- Alagapuram 64
- Attur 64
- Chinna Salem 64
- Gangavalli 64
- Gudiyatham 64
- Kallakkurichchi 64
- Katpadi 64
- Mallasamudram 64
- Manalurpettai 64
- Namagiripettai 64
- Odugattur 64
- Pallikondai 64
- Pennathur 64
- Polur 64
- Rasipuram 64
- Tirukkoyilur 64
- Tiruvannamalai 64
- Vettavalam 64
- Viraganur 64
- Aduthurai 63
- Alappakkam 63
- Arcot 63
- Arni 63
- Arumbavur 63
- Ayyampettai 63
- Cheyyar 63
- Chidambaram 63
- Desur 63
- Gingee 63
- Jayamkondacholapuram 63
- Kalavai 63
- Kil Bhuvanagiri 63
- Kumbakonam 63
- Kurinjippadi 63
- Lalgudi 63
- Mattur 63
- Mettuppalaiyam 63
- Nangilickondan 63
- Nellikkuppam 63
- Pallipattu 63
- Panruti 63
- Papanasam 63
- Pennadam 63
- Perambalur 63
- Peranamallur 63
- Pullambadi 63
- Sholinghur 63
- Srimushnam 63
- Swamimalai 63
- Tattayyangarpettai 63
- Thirukattupalli 63
- Thiruvaiyaru 63
- Thiruvidaimaruthur 63
- Tindivanam 63
- Turaiyur 63
- Uppiliyapuram 63
- Valavanur 63
- Vandavasi 63
- Vikravandi 63
- Villupuram 63
- Vriddhachalam 63
- Walajapet 63
- Ammapettai 62
- Annamalainagar 62
- Arakkonam 62
- Arimalam 62
- Auroville 62
- Bhavani 62
- Dusi 62
- Erumaippatti 62
- Kanchipuram 62
- Karur 62
- Koradachcheri 62
- Kulittalai 62
- Mayiladuthurai 62
- Musiri 62
- Namakkal 62
- Nannilam 62
- Needamangalam 62
- Puduppatti 62
- Sirkazhi 62
- Thiruthani 62
- Tiruchengode 62
- Tiruchirappalli 62
- Uttiramerur 62
- Valangaiman 62
- Vallam 62
- Alangudi 61
- Annavasal 61
- Gobichettipalayam 61
- Iluppur 61
- Kattupputtur 61
- Koothanallur 61
- Madurantakam 61
- Manapparai 61
- Mannargudi 61
- Masinigudi 61
- Mohanur 61
- Pudukkottai 61
- Sathyamangalam 61
- Sriperumbudur 61
- Thiruvarur 61
- Tirumullaivasal 61
- Tiruvallur 61
- Wallajahbad 61
- Cheyyur 60
- Chingleput 60
- Erode 60
- Guduvancheri 60
- Kanadukattan 60
- Kilvelur 60
- Madambakkam 60
- Madukkur 60
- Marakkanam 60
- Nandambakkam 60
- Pattukkottai 60
- Peravurani 60
- Ponnamaravati 60
- Singapperumalkovil 60
- Tharangambadi 60
- Tinnanur 60
- Vandalur 60
- Adirampattinam 59
- Alandur 59
- Ambattur 59
- Arantangi 59
- Avadi 59
- Chetput 59
- Chinnasekkadu 59
- Karaikkudi 59
- Karumbakkam 59
- Kottaiyur 59
- Madipakkam 59
- Manali 59
- Manappakkam 59
- Naravarikuppam 59
- Pallattur 59
- Pallavaram 59
- Ponneri 59
- Poonamalle 59
- Porur 59
- Puduvayal 59
- Saint Thomas Mount 59
- Tambaram 59
- Vellanur 59
- Velur 59
- Vengavasal 59
- Alanganallur 58
- Ariyalur 58
- Devakottai 58
- Dindigul 58
- Gandhi Nagar 58
- George Town 58
- Injambakkam 58
- Kattivakkam 58
- Kodumudi 58
- Melur 58
- Minjur 58
- Muttupet 58
- Nattam 58
- Nattarasankottai 58
- Neelankarai 58
- Negapatam 58
- Palamedu 58
- Palavakkam 58
- Pallappatti 58
- Perundurai 58
- Perungudi 58
- Seven Pagodas 58
- Sivaganga 58
- Sivagiri 58
- Tiruvottiyur 58
- V.S.K.Valasai (Dindigul-Dist.) 58
- Vadamadurai 58
- Vedasandur 58
- Andippatti 57
- Bodinayakkanur 57
- Chennimalai 57
- Chinnamanur 57
- Devadanappatti 57
- Elumalai 57
- Kodaikanal 57
- Kombai 57
- Kotagiri 57
- Manamadurai 57
- Mangalam 57
- Mulanur 57
- Nambiyur 57
- Nilakottai 57
- Periyakulam 57
- Teni 57
- Tirupparangunram 57
- Tiruppuvanam 57
- Usilampatti 57
- Uttamapalaiyam 57
- Vadippatti 57
- Vattalkundu 57
- Velankanni 57
- Abiramam 56
- Aruppukkottai 56
- Ayakudi 56
- Cumbum 56
- Dhali 56
- Gudalur 56
- Kallupatti 56
- Kariapatti 56
- Kiranur 56
- Kumaralingam 56
- Nambutalai 56
- Palani 56
- Paramagudi 56
- Peraiyur 56
- Punjai Puliyampatti 56
- Tanjore 56
- Tondi 56
- Valparai 56
- Vijayapuri 56
- Virudunagar 56
- Dharapuram 55
- Kamuthi 55
- Kangayam 55
- Mudukulattur 55
- Naduvattam 55
- Sirumugai 55
- Srivilliputhur 55
- Tiruppalaikudi 55
- Tiruttangal 55
- Udumalaippettai 55
- Uttukkuli 55
- Annur 54
- Aruvankad 54
- Avinashi 54
- Keelakarai 54
- Mettupalayam 54
- Periyapatti 54
- Periyapattinam 54
- Pudur 54
- Rajapalaiyam 54
- Sattur 54
- Sayalkudi 54
- Sivakasi 54
- Tiruppur 54
- Vedaraniyam 54
- Vilattikulam 54
- Wellington 54
- Ettaiyapuram 53
- Karamadai 53
- Kulattur 53
- Mandapam 53
- Palladam 53
- Periyanegamam 53
- Chettipalaiyam 52
- Cholapuram 52
- Elayirampannai 52
- Korampallam 52
- Kovilpatti 52
- Periyanayakkanpalaiyam 52
- Pollachi 52
- Singanallur 52
- Sulur 52
- Thoothukudi 52
- Anamalais 51
- Vettaikkaranpudur 51
- Madukkarai 50
- Chennai 49
- Kadambur 49
- Kayalpattinam 49
- Perur 49
- Rameswaram 49
- Arumuganeri 48
- Kalugumalai 48
- Eral 47
- Ramanathapuram 47
- Tiruchchendur 47
- Kayattar 46
- Alwa Tirunagari 45
- Gangaikondan 45
- Srivaikuntam 45
- Vasudevanallur 45
- Puliyangudi 44
- Madurai 43
- Kadayanallur 42
- Surandai 42
- Udangudi 42
- Alangulam 41
- Thenkasi 41
- Tirunelveli 41
- Kuttalam 40
- Puliyur 40
- Sathankulam 40
- Ambasamudram 39
- Kallidaikurichi 39
- Vadakku Viravanallur 39
- Nanguneri 37
- Kalakkadu 36
- Tisaiyanvilai 36
- Vadakku Valliyur 33
- Karambakkudi 27
- Kuzhithurai 26
- Padmanabhapuram 25
- Colachel 24
- Eraniel 24
- Nagercoil 24
- Suchindram 24
- Kanniyakumari 23
- Manavalakurichi 23
AQI US, Metric