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Chennai Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-07-19 10:21:01 (Local Time)

location image
Live AQI
96AQI (US)
Air Quality is
Moderate
PM2.5 :  33 µg/m³
pm10 :  40 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Chennai
mist

32 °C

Mist
Humidity
Humidity71 %
Wind Speed
Wind Speed21.6 km/h
UV Index
UV Index8
Last Updated: 2026-07-19 10:21:01 (Local Time)
Rank181st

Currently, Chennai ranks 181st among the cities with the highest AQI levels in the world.

Map

Chennai

Major Air Pollutants

Chennai

PM₂.₅'s Icon

Particulate Matter(PM₂.₅)

33µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

40µg/m³

CO's Icon

Carbon Monoxide(CO)

288ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

5ppb

O₃'s Icon

Ozone(O₃)

31ppb

AQI Graph

Historical Air Quality Data

Chennai

24 Hours
AQI (US)
Chennai
AQI (US)
.
18-07-2026Time19-07-2026
76
Min. AQI (US)1:01pm
112
Max. AQI (US)8:31am

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes

Chennai, Tamil Nadu, India

AQI (US)

Chennai's Locations

Real-time Air Pollution Level

locations
Status
AQI (US)
PM₂.₅(µg/m³)
PM₁₀(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
97
34
39
32
71
Moderate
95
33
38
31
75
Moderate
86
29
41
32
71
Moderate
94
32
38
32
71
Moderate
99
35
41
31
75
Poor
101
36
42
32
71
Poor
110
39
46
32
71
Moderate
99
35
42
32
71
Moderate
90
31
39
32
71
Moderate
94
32
37
32
71
Moderate
99
35
36
31
75
Moderate
86
29
33
32
71
Moderate
97
34
39
32
71
Moderate
93
32
43
32
71
Moderate
90
31
36
31
75
Moderate
88
30
36
32
71
Moderate
96
33
39
32
71
Moderate
99
35
42
32
71
Moderate
93
32
36
31
75
Poor
112
40
48
32
71
Moderate
95
33
35
32
71
Poor
102
36
43
32
71
Poor
105
37
45
32
71
Moderate
99
35
38
32
71
Poor
107
38
47
32
71
Poor
115
41
49
32
71
Moderate
95
33
40
32
71
Moderate
88
30
37
32
71
Moderate
96
33
39
32
71
Moderate
97
34
41
32
71
Poor
107
38
46
32
71
Moderate
93
32
37
31
75
Moderate
86
28
33
32
71
Moderate
90
31
40
31
75
Poor
102
36
43
32
71
Moderate
84
27
31
32
71
Poor
101
36
41
32
71
Poor
105
37
44
32
71
Moderate
88
30
34
32
71
Poor
102
36
44
32
71
Moderate
88
30
39
32
71
Moderate
84
28
36
32
71
Moderate
75
22
25
32
71
Moderate
90
31
42
32
71
Moderate
92
31
35
32
71

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

76

temp.28°C
hum.70%
Bangalore City AQI

Bangalore

66

temp.24°C
hum.83%
Chennai City AQI

Chennai

96

temp.32°C
hum.71%
Hyderabad City AQI

Hyderabad

68

temp.28°C
hum.66%
Kolkata City AQI

Kolkata

96

temp.28°C
hum.100%
Mumbai City AQI

Mumbai

64

temp.29°C
hum.84%
New Delhi City AQI

New Delhi

120

temp.34°C
hum.56%
Pune City AQI

Pune

64

temp.24°C
hum.86%

Air Quality Calendar 2026

Chennai

2026
AQI (US)
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Chennai

1.4Cigarettes per day

Cigarette
Weekly 9.8 Cigarettes
Monthly 42 Cigarettes

Breathing the air in this location is as harmful as smoking 1.4 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

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)
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.

Most Polluted Cities Live Ranking 2026
World's Most PollutedCity Rankings (2025)
World's Most PollutedCountry Rankings(2025)
RankCityAQI Status

Standard Value

Follow

1.

Bharatpur, Rajasthan

204

Severe

9xabove Standard

2.

Greater Noida, Uttar Pradesh

184

Unhealthy

7xabove Standard

3.

Aurangabad, Bihar

165

Unhealthy

6xabove Standard

4.

Ludhiana, Punjab

163

Unhealthy

5xabove Standard

5.

Bulandshahr, Uttar Pradesh

163

Unhealthy

5xabove Standard

6.

Gaya, Bihar

160

Unhealthy

5xabove Standard

7.

Chandigarh, Chandigarh

160

Unhealthy

5xabove Standard

8.

Muzaffarnagar, Uttar Pradesh

159

Unhealthy

5xabove Standard

9.

Aligarh, Uttar Pradesh

159

Unhealthy

5xabove Standard

10.

Panchkula, Haryana

159

Unhealthy

5xabove Standard

Last Updated: 19 Jul 2026, 05:05 AM

AQI City Rankings

Air Quality Solutions For Chennai

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

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Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

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Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Prana Air offers the solutions of air quality monitoring and clean air machine for Chennai

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Chennai's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets

Air Quality FAQs

at Chennai

Frequently Asked Questions About Air Quality

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

The current real-time AQI (US) level in Chennai is 96 (Moderate). This was last updated 2026-07-19 10:21:01 (Local Time).

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

The best AQI (US) level was 76 (Moderate) at 1:01 PM, Jul 18, 2026 (Local Time) during the last 24 hours.

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

The worst AQI (US) level was 112 (Poor) at 8:31 AM (Local Time) during the last 24 hours.

4. 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 112 at 8:31 AM (Local Time), lowest 76 at 1:01 PM, Jul 18, 2026 (Local Time).

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

Current AQI (US) levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

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Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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Indoor Air Quality Monitor

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