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Chennai Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-07-18 15:01 (Local Time)

location image
Live AQI
89AQI (US)
Air Quality is
Moderate
PM2.5 :  30 µg/m³
pm10 :  80 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Chennai
overcast

34 °C

Overcast
Humidity
Humidity60 %
Wind Speed
Wind Speed6.8 km/h
UV Index
UV Index2.7
Last Updated: 2026-07-18 15:01 (Local Time)
Rank194th

Currently, Chennai ranks 194th 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)

30µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

80µg/m³

CO's Icon

Carbon Monoxide(CO)

76ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

4ppb

O₃'s Icon

Ozone(O₃)

58ppb

AQI Graph

Historical Air Quality Data

Chennai

24 Hours
AQI (US)
Chennai
AQI (US)
.
17-07-2026Time18-07-2026
74
Min. AQI (US)5:01pm
155
Max. AQI (US)7:31pm

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
82
34
60
Moderate
90
31
91
34
60
Moderate
82
27
77
34
60
Moderate
94
32
106.92
34
60
Moderate
94
32
94.24
34
60
Moderate
86
29
83
34
60
Moderate
88
29
112.36
34
60
Moderate
94
32
78.19
34
60
Moderate
95
33
79
34
60
Moderate
99
35
116.98
34
60
Moderate
97
34
75
34
60
Moderate
78
25
58
34
60
Moderate
69
19
21
34
60
Moderate
86
29
92
34
60
Moderate
90
31
73
34
60
Moderate
86
29
89
34
60
Moderate
84
27
105.65
34
60
Moderate
95
33
69
34
60
Moderate
95
33
74
34
60
Moderate
86
28
92.51
34
60
Moderate
88
30
86
34
60
Moderate
90
30
106.21
34
60
Poor
110
39
79.81
34
60
Moderate
88
30
75
34
60
Moderate
90
30
103.2
34
60
Poor
102
36
67.99
34
60
Moderate
95
33
73
34
60
Moderate
82
27
85
34
60
Moderate
84
24
121.16
34
60
Moderate
96
33
104.32
34
60
Moderate
92
31
112.19
34
60
Moderate
90
31
77
34
60
Moderate
86
28
34
34
60
Moderate
95
33
77
34
60
Moderate
86
28
89.84
34
60
Moderate
82
26
116.14
34
60
Moderate
88
30
80
34
60
Poor
105
37
63.67
34
60
Moderate
86
29
93
34
60
Moderate
82
26
94.91
34
60
Moderate
86
29
82
34
60
Moderate
82
27
69
34
60
Moderate
66
17
19
34
60
Moderate
97
34
72
34
60

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

73

temp.30°C
hum.59%
Bangalore City AQI

Bangalore

66

temp.27°C
hum.70%
Chennai City AQI

Chennai

86

temp.34°C
hum.60%
Hyderabad City AQI

Hyderabad

69

temp.30°C
hum.59%
Kolkata City AQI

Kolkata

81

temp.30°C
hum.84%
Mumbai City AQI

Mumbai

60

temp.30°C
hum.79%
New Delhi City AQI

New Delhi

110

temp.37°C
hum.51%
Pune City AQI

Pune

58

temp.27°C
hum.66%

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.

Aurangabad, Bihar

230

Severe

12xabove Standard

2.

Bhiwani, Haryana

170

Unhealthy

6xabove Standard

3.

Muzaffarnagar, Uttar Pradesh

169

Unhealthy

6xabove Standard

4.

Mathura, Uttar Pradesh

166

Unhealthy

6xabove Standard

5.

Pali, Rajasthan

163

Unhealthy

5xabove Standard

6.

Sirsa, Haryana

161

Unhealthy

5xabove Standard

7.

Anantapur, Andhra Pradesh

156

Unhealthy

5xabove Standard

8.

Firozabad, Uttar Pradesh

155

Unhealthy

4xabove Standard

9.

Budaun, Uttar Pradesh

155

Unhealthy

5xabove Standard

10.

Dhanbad, Jharkhand

152

Unhealthy

4xabove Standard

Last Updated: 18 Jul 2026, 09:44 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.

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 89 (Moderate) due to recent rainfall by 0.05mm/hr. This was last updated 2026-07-18 15:01 (Local Time).

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

The best AQI (US) level was 74 (Moderate) at 5:01 PM, Jul 17, 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 155 (Unhealthy) at 7:31 PM, Jul 17, 2026 (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 155 at 7:31 PM, Jul 17, 2026 (Local Time), lowest 74 at 5:01 PM, Jul 17, 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

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Indoor Air Quality Monitor

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