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Chennai Air Quality Index (AQI) Today

18th Jul 26

51-100

Moderate

PM 2.5
43
PM 10
43
27º C
Clouds

Air quality is acceptable, but sensitive people may feel mild discomfort. Those with asthma or allergies should reduce prolonged outdoor exertion, especially during peak pollution hours.

Good

0-50

Moderate

51–100

Poor

101-200

Unhealthy

201-300

Severe

301-400

Hazardous

401–500

Rank	State, City	AQI- IN
1	Tamil Nadu, Gummidipoondi	36
2	Telangana , Hyderabad US Consulate	37
3	Kerala, Kochi	37
4	Kerala, Eloor	37
5	Maharashtra, Kalyan	38
6	Kerala, Ernakulam	38
7	Karnataka, Mangalore	38
8	Karnataka, Chikkamagaluru	38
9	Gujarat, Ankleshwar	39
10	Tamil Nadu, Dindigul	39

Rank	State, City	AQI- IN
1	UP, Baghpat	500
2	Haryana, Charkhi Dadri	500
3	Haryana, Sonipat	500
4	Haryana, Rohtak	500
5	Delhi, Delhi	500
6	Haryana, Fatehabad	500
7	Rajasthan, Bhiwadi	500
8	UP, Ghaziabad	500
9	UP, Noida	500
10	UP, Vrindavan	500

How is the air quality in your city Chennai today? What is the current Air Quality Index (AQI) in Chennai, and what is the air pollution level like?

Get up-to-the-minute Air Quality Index (AQI) readings for Chennai:-
1). Current PM2.5 and PM10 levels stand at 43 and 43 in Royapuram.
2). The highest AQI recorded in Chennai is 80 in Royapuram, and the lowest AQI is 46 in US Consulate.
3). Yesterday (17-07-2026), the Air Pollution Index in Chennai was 71.
4). Today (18-07-2026), the most polluted area in Chennai is Royapuram.
5). Today (18-07-2026), the cleanest air pocket in Chennai is US Consulate.

Our real-time AQI tracker enables you to view day-to-day pollution fluctuations, pinpoint high-smog windows, and plan safer outdoor routines with confidence. Stay updated with precise, data-led Chennai air quality insights to protect your health, reduce exposure, optimise travel, and make smarter everyday choices for cleaner living. It also offers timely alerts, helping you stay proactive about changing conditions and minimise risks for children, elders, and sensitive groups.

For up-to-date data on Chennai's air quality and weather conditions, you can visit at indiatoday.in.

Furthermore, you'll find news related to pollution on this dedicated page, giving you insights into the reasons behind any fluctuations in Chennai's pollution levels. Whether it's an increase or a decrease in pollution, you'll find the answers to your questions right here.

Good (0–50)
Air quality is clean and healthy. Enjoy outdoor activities without worry. Ideal conditions for exercise, travel, and daily routines. No health risk for any age group.

Moderate (51–100)
Air quality is acceptable, but sensitive people may feel mild discomfort. Those with asthma or allergies should reduce prolonged outdoor exertion, especially during peak pollution hours.

Poor (101–200)
Air pollution may cause breathing discomfort. Children, elderly people, and those with respiratory issues should limit outdoor activities. Wearing a mask outdoors is advisable.

Unhealthy (201–300)
Air quality is unhealthy for everyone. Prolonged exposure can affect breathing and heart health. Avoid outdoor activities, keep windows closed, and use air purifiers if available.

Severe (301–400)
Air quality is extremely poor and dangerous. Serious health effects are likely. Stay indoors as much as possible, use air purifiers, and wear a mask if going outside.

Hazardous (401–500)
Air pollution is at emergency levels. High risk of severe health issues for all. Avoid outdoor exposure completely. Remain indoors with air filtration and follow health advisories.