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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 00:11:02 (Local Time)

location image
Live AQI
83AQI (US)
Air Quality is
Moderate
PM2.5 :  24 µg/m³
pm10 :  98 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Chennai
mist

29 °C

Mist
Humidity
Humidity79 %
Wind Speed
Wind Speed16.6 km/h
UV Index
UV Index0
Last Updated: 2026-07-19 00:11:02 (Local Time)
Rank240th

Currently, Chennai ranks 240th 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)

24µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

98µg/m³

CO's Icon

Carbon Monoxide(CO)

73ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

5ppb

O₃'s Icon

Ozone(O₃)

63ppb

AQI Graph

Historical Air Quality Data

Chennai

24 Hours
AQI (US)
Chennai
AQI (US)
.
18-07-2026Time19-07-2026
76
Min. AQI (US)1:31pm
130
Max. AQI (US)9:01am

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
78
25
99
29
79
Moderate
80
26
97
29
79
Moderate
75
24
97
29
79
Moderate
92
20
138.62
29
79
Moderate
79
24
105.27
29
79
Moderate
80
26
83
29
79
Moderate
100
23
154.21
29
79
Moderate
75
22
80.02
29
79
Moderate
93
32
82
29
79
Poor
107
21
168.1
29
79
Moderate
84
28
79
29
79
Moderate
75
24
70
29
79
Moderate
77
23
26
29
79
Moderate
84
28
103
29
79
Moderate
84
28
78
29
79
Moderate
79
24
113
29
79
Moderate
90
19
134.26
29
79
Moderate
88
30
74
29
79
Moderate
80
26
81
29
79
Moderate
77
23
100.77
29
79
Moderate
80
23
116
29
79
Moderate
91
21
136.06
29
79
Moderate
86
28
81.48
29
79
Moderate
75
24
92
29
79
Moderate
87
21
127.09
29
79
Moderate
79
24
69.49
29
79
Moderate
82
27
89
29
79
Moderate
80
26
109
29
79
Poor
114
21
181.22
29
79
Moderate
89
19
131.31
29
79
Moderate
100
23
153.09
29
79
Moderate
80
26
95
29
79
Moderate
71
20
21
29
79
Moderate
80
26
83
29
79
Moderate
77
23
95.42
29
79
Poor
106
16
165.47
29
79
Moderate
78
25
83
29
79
Moderate
77
23
64.68
29
79
Moderate
73
23
85
29
79
Moderate
73
18
99.76
29
79
Moderate
69
21
90
29
79
Moderate
71
22
78
29
79
Moderate
79
24
27
29
79
Moderate
90
31
84
29
79

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

88

temp.27°C
hum.84%
Bangalore City AQI

Bangalore

66

temp.22°C
hum.88%
Chennai City AQI

Chennai

83

temp.29°C
hum.79%
Hyderabad City AQI

Hyderabad

59

temp.26°C
hum.74%
Kolkata City AQI

Kolkata

70

temp.28°C
hum.94%
Mumbai City AQI

Mumbai

79

temp.26°C
hum.94%
New Delhi City AQI

New Delhi

118

temp.34°C
hum.56%
Pune City AQI

Pune

55

temp.23°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

1.5Cigarettes per day

Cigarette
Weekly 10.5 Cigarettes
Monthly 45 Cigarettes

Breathing the air in this location is as harmful as smoking 1.5 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.

Muzaffarnagar, Uttar Pradesh

176

Unhealthy

7xabove Standard

2.

Anantapur, Andhra Pradesh

174

Unhealthy

7xabove Standard

3.

Bhiwani, Haryana

172

Unhealthy

7xabove Standard

4.

Pali, Rajasthan

168

Unhealthy

6xabove Standard

5.

Mathura, Uttar Pradesh

164

Unhealthy

5xabove Standard

6.

Rudrapur, Uttarakhand

161

Unhealthy

5xabove Standard

7.

Sirsa, Haryana

160

Unhealthy

5xabove Standard

8.

Panipat, Haryana

154

Unhealthy

5xabove Standard

9.

Bulandshahr, Uttar Pradesh

154

Unhealthy

4xabove Standard

10.

Ambala, Haryana

153

Unhealthy

4xabove Standard

Last Updated: 18 Jul 2026, 06:47 PM

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.

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

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 83 (Moderate) due to recent rainfall by 0.21mm/hr. This was last updated 2026-07-19 00:11:02 (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 1:31 PM (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 130 (Poor) at 9:01 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 130 at 9:01 AM (Local Time), lowest 76 at 1:31 PM (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

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Indoor Air Quality Monitor

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