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Chennai Moderate

Chennai, Tamil Nadu

Updated: Mar 13, 2026, 10:00 PM

630500
Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Current Weather

26.1°C
Temperature
84%
Humidity
2
mph wind
Mainly clear
Conditions

Pollutant Breakdown

63
PM2.5
µg/m³ · Fine particles
48
PM10
µg/m³ · Coarse particles
7.3
Ozone
ppb · Ground-level ozone
6
NO₂
ppb · Nitrogen dioxide
3.1
SO₂
ppb · Sulfur dioxide
8.6
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Wed
3/11
107
avg
Thu
3/12
105
avg
Fri
3/13
89
avg
Sat
3/14
88
avg
Sun
3/15
74
avg
Mon
3/16
73
avg
Tue
3/17
57
avg

Health Guidance

⚠️
Unusually sensitive people: Consider reducing prolonged outdoor exertion.
General population: No restrictions for most people.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: CPCB - India Central Pollution Control Board, World Air Quality Index Project

Is the air safe in Chennai today?

The current Air Quality Index (AQI) in Chennai is 63, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Chennai, Tamil Nadu is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous