Air quality in Tamil Nadu

Air quality index (AQI) and PM2.5 air pollution in Tamil Nadu

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time Tamil Nadu
Most polluted city ranking

Tooltip icon
#cityUS AQI
1 Alappakkam

165

2 Hosur

157

3 Dindigul

155

4 Tiruppur

155

5 Tiruchirappalli

153

6 Omalur

152

7 Vellore

152

8 Arimalam

151

9 Tanjore

148

10 Salem

140

(local time)

SEE WORLD AQI RANKING

Air Quality Data contributor(s)

Station(s) operated by

Contributors

5

IQAir AirVisual logoIQAir AirVisual logoIQAir AirVisual logoIQAir AirVisual logoIQAir AirVisual logo

Join the movement!

Get a monitor and contribute air quality data in your city.

Become a contributor
Find out more about contributors and data sources

LIVE AQI CITY RANKING

Real-time Tamil Nadu
Cleanest city ranking

Tooltip icon
#cityUS AQI
1 Vriddhachalam

28

2 Thoothukudi

33

3 Kattivakkam

53

4 Chingleput

55

5 Gummidipundi

58

6 Tiruvottiyur

65

7 Perungudi

66

8 Ooty

67

9 Ponneri

71

10 Chennai

73

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
rectangle shape clicked to open the map in fullscreen
plus icon clicked to zoom the map in
minus icon clicked to zoom the map out

How to best protect from air pollution?

Reduce your air pollution exposure in Tamil Nadu

Which is the most polluted city in Tamil Nadu?

Connect With IQAir

Sign up for our newsletter