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Chennai Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Chennai

Last Updated: 2026-03-11 09:31 (Local Time)

location image
Live AQI
144AQI (US)
Air Quality is
Poor
PM2.5 :  58 µg/m³
pm10 :  70 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi poor level.webp in Chennai
mist

27 °C

Mist
Humidity
Humidity84 %

Wind Speed
Wind Speed9 km/h

UV Index
UV Index6.5
Last Updated: 2026-03-11 09:31 (Local Time)
Rank233rd

Currently, Chennai ranks 233rd among the most polluted cities globally.

Map

Chennai

Major Air Pollutants

Chennai

AQI Graph

Historical Air Quality Data

Chennai

Chennai
AQI (US)
.
10-03-2026Time11-03-2026
99
Min.at 2:31 PM, Mar 10, 2026
203
Max.at 7:31 AM

Download 2024 Annual Data

World Air Quality Report

Globe

AQI (US) Trends - Annual Air Quality Changes

Chennai, Tamil Nadu, India

Chennai's Locations

Real-time Air Pollution Level

Location
Status
AQI (US)
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Unhealthy
153
62
62
27
84
Poor
146
54
66
27
84
Unhealthy
155
65
81
27
84
Unhealthy
170
82
95
28
84
Poor
150
56
76
27
84
Unhealthy
152
57
70
28
84
Poor
107
38
45
28
84
Poor
110
39
48
28
84
Unhealthy
151
57
82
27
84
Poor
129
47
57
28
84
Unhealthy
158
71
92
27
84
Unhealthy
151
57
74
27
84
Poor
122
44
53
28
84
Poor
150
56
58
27
84
Unhealthy
156
66
81
27
84
Poor
149
55
70
27
84
Poor
134
49
60
28
84
Unhealthy
153
62
88
27
84
Poor
142
52
65
28
84
Unhealthy
156
67
82
27
84
Poor
107
38
45
28
84
Poor
144
53
67
27
84
Poor
134
49
62
28
84
Unhealthy
182
99
117
28
84
Unhealthy
153
61
62
27
84
Poor
132
48
60
28
84
Unhealthy
186
105
123
28
84
Unhealthy
153
62
79
27
84
Unhealthy
152
59
63
27
84
Poor
115
41
50
28
84
Poor
134
49
63
28
84
Poor
150
56
69
27
84
Poor
107
38
45
28
84
Unhealthy
153
61
90
27
84
Unhealthy
174
88
103
28
84
Poor
144
53
66
28
84
Poor
150
56
71
27
84
Poor
122
44
52
28
84
Unhealthy
152
60
78
27
84
Poor
112
40
50
28
84
Unhealthy
154
60
73
28
84
Poor
150
56
73
27
84
Unhealthy
153
62
65
27
84
Poor
127
46
57
28
84
Unhealthy
153
58
73
28
84
Unhealthy
156
67
77
27
84

India's Metro Cities

Air Quality Index

Health Advice For People Living In

Chennai

2.4Cigarettes per day

Cigarette
Weekly 16.8 Cigarettes
Monthly 72 Cigarettes

Breathing the air in this location is as harmful as smoking 2.4 cigarettes a day.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Chennai

  • asthma due to air pollution in ChennaiAsthma
  • heart due to air pollution in ChennaiHeart Issues
  • allergy due to air pollution in ChennaiAllergies
  • sinus due to air pollution in ChennaiSinus
  • flu due to air pollution in ChennaiCold/Flu
  • copd due to air pollution in ChennaiChronic (COPD)
asthma due to air pollution in Chennai

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Poor (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026

India

Analyze the real-time most air polluted cities in the country.

Chennai's AQI Data Analytics Solutions

Air quality data monitoring platforms

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aqi air quality app for Chennai
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Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


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Air Quality FAQs

at Chennai

Frequently Asked Questions About Air Quality

What is the current AQI (US) level in Chennai?

The current real-time AQI (US) level in Chennai is 144 (Poor). This was last updated 2026-03-11 09:31 (Local Time).

When was the best AQI (US) level in Chennai in the last 24 hours?

The best AQI (US) level was 99 (Moderate) at 2:31 PM, Mar 10, 2026 (Local Time) during the last 24 hours.

When was the worst AQI (US) level in Chennai in the last 24 hours?

The worst AQI (US) level was 203 (Severe) at 7:31 AM (Local Time) during the last 24 hours.

What is the current trend of AQI (US) levels in Chennai during last 24 hours?

The AQI (US) levels in Chennai have been fluctuating throughout the last 24 hours. The levels have increased by highest 203 at 7:31 AM (Local Time), lowest 99 at 2:31 PM, Mar 10, 2026 (Local Time).

What actions are recommended as per the current AQI (US) level in Chennai?

Current AQI (US) levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.