Tamil Nadu
106 monitoring stations · readings from 11 to 157
Average AQI
Air quality in Tamil Nadu
Air quality in Tamil Nadu is currently 65 on the AQI scale, which falls in the Moderate band. That number is the average across every monitoring station reporting in Tamil Nadu right now.
We aggregate 106 stations across Tamil Nadu. Individual stations range from 11 at the cleanest to 157 at the worst, so conditions vary across Tamil Nadu — the local figure matters more than the average.
Tamil Nadu breaks down into 47 cities you can open individually. Of those listed below, Gummidipoondi is reading highest at 157 and Tiruvallur lowest at 11.
Readings refresh hourly from the official monitoring networks we track. Conditions can change quickly, so check back before planning time outdoors.
What to do at moderate levels
Outdoor activity
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner.
Sensitive groups
Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
Indoor air
Ventilating is still worthwhile. Consider closing up during traffic peaks if you live on a busy road.
Cities in Tamil Nadu
47 cities
Gummidipoondi
Unhealthy
- Stations
- 1
- Range
- 157–157
Hosur
Unhealthy for Sensitive
- Stations
- 2
- Range
- 93–119
106Vellore
Unhealthy for Sensitive
- Stations
- 2
- Range
- 99–112
102Erode
Unhealthy for Sensitive
- Stations
- 2
- Range
- 93–110
Avalpoondurai
Moderate
- Stations
- 1
- Range
- 99–99
Salem
Moderate
- Stations
- 1
- Range
- 99–99
Nilgiris
Moderate
- Stations
- 1
- Range
- 97–97
Tiruchirappalli
Moderate
- Stations
- 1
- Range
- 94–94
Mudumalai
Moderate
- Stations
- 1
- Range
- 90–90
Karur
Moderate
- Stations
- 1
- Range
- 88–88
Tanjore
Moderate
- Stations
- 1
- Range
- 86–86
85Tiruppur
Moderate
- Stations
- 3
- Range
- 80–88
84Dindigul
Moderate
- Stations
- 2
- Range
- 82–86
Tiruvannamalai
Moderate
- Stations
- 1
- Range
- 84–84
Trichinopoly
Moderate
- Stations
- 1
- Range
- 84–84
Kilkunda
Moderate
- Stations
- 1
- Range
- 75–75
Madurai
Moderate
- Stations
- 1
- Range
- 73–73
Negapatam
Moderate
- Stations
- 1
- Range
- 73–73
Kanchipuram
Moderate
- Stations
- 1
- Range
- 71–71
Thanjavur
Moderate
- Stations
- 1
- Range
- 71–71
Rajapalaiyam
Moderate
- Stations
- 1
- Range
- 69–69
Anjugramam
Moderate
- Stations
- 1
- Range
- 68–68
Cuddalore
Moderate
- Stations
- 1
- Range
- 67–67
67Ramanathapuram
Moderate
- Stations
- 2
- Range
- 66–67
Valparai
Moderate
- Stations
- 1
- Range
- 67–67
Rameswaram
Moderate
- Stations
- 1
- Range
- 65–65
Chengalpattu
Moderate
- Stations
- 1
- Range
- 62–62
Padur
Moderate
- Stations
- 1
- Range
- 60–60
60Thoothukudi
Moderate
- Stations
- 1
- Range
- 60–60
59Chennai
Moderate
- Stations
- 44
- Range
- 43–90
58Coimbatore
Moderate
- Stations
- 9
- Range
- 54–71
Tuticorin
Moderate
- Stations
- 1
- Range
- 58–58
Tinnevelly
Moderate
- Stations
- 1
- Range
- 56–56
Nagercoil
Moderate
- Stations
- 1
- Range
- 54–54
Conjeeveram
Good
- Stations
- 2
- Range
- 46–52
Seven Pagodas
Good
- Stations
- 1
- Range
- 46–46
Vandalur
Good
- Stations
- 1
- Range
- 46–46
Guduvancheri
Good
- Stations
- 1
- Range
- 44–44
Lakshminaickenpalayam
Good
- Stations
- 1
- Range
- 44–44
Ootacamund
Good
- Stations
- 1
- Range
- 42–42
About Tamil Nadu
Coordinates
12.029, 79.090
Centroid of monitored stations
Stations
106
Reporting in this area
Spread
11 – 157
Cleanest to worst station reading
Tamil Nadu air quality, answered
Tamil Nadu is currently reading an AQI of 65, which is Moderate. It is the average across 106 reporting stations.
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner. Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
65 sits in the Moderate band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 106 stations in Tamil Nadu, reading between 11 and 157.
Of the cities currently listed for Tamil Nadu, Gummidipoondi is reading highest at 157 (Unhealthy).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Tamil Nadu on the map.
Every station around it, live — or find out what today's reading means for you personally.