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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 20:11:01 (Local Time)

location image
Live AQI
106AQI (US)
Air Quality is
Poor
PM2.5 :  38 µg/m³
pm10 :  92 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi poor level.webp in Chennai
mist

30 °C

Mist
Humidity
Humidity79 %
Wind Speed
Wind Speed10.4 km/h
UV Index
UV Index0
Last Updated: 2026-07-18 20:11:01 (Local Time)
Rank133rd

Currently, Chennai ranks 133rd among the most polluted cities globally.

Map

Chennai

Major Air Pollutants

Chennai

PM₂.₅'s Icon

Particulate Matter(PM₂.₅)

38µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

92µg/m³

CO's Icon

Carbon Monoxide(CO)

75ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

5ppb

O₃'s Icon

Ozone(O₃)

45ppb

AQI Graph

Historical Air Quality Data

Chennai

24 Hours
AQI (US)
Chennai
AQI (US)
.
17-07-2026Time18-07-2026
76
Min. AQI (US)1:01pm
129
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
99
35
83
30
79
Moderate
99
35
86
30
79
Poor
104
37
85
31
75
Poor
102
36
122.97
31
75
Poor
110
39
99.47
31
75
Poor
109
39
83
31
75
Poor
127
46
133.94
31
75
Moderate
96
33
78.66
31
75
Poor
106
38
79
30
79
Poor
105
37
143.71
31
75
Poor
114
41
79
31
75
Moderate
93
32
65
31
75
Moderate
97
34
39
31
75
Moderate
99
35
99
31
75
Poor
111
40
76
31
75
Poor
109
39
108
31
75
Poor
107
38
119.9
31
75
Poor
101
36
83
30
79
Poor
111
40
74
31
75
Poor
107
38
95.66
31
75
Poor
104
37
110
31
75
Poor
107
38
121.17
31
75
Poor
129
47
80.28
31
75
Poor
106
38
80
31
75
Poor
115
41
114.85
31
75
Poor
115
41
68.24
31
75
Poor
101
36
72
30
79
Poor
111
40
106
31
75
Poor
105
37
152.94
31
75
Moderate
99
35
117.82
31
75
Poor
119
43
133.15
31
75
Moderate
95
33
89
30
79
Moderate
90
30
35
31
75
Poor
109
39
80
30
79
Poor
107
38
92.19
31
75
Moderate
96
33
141.86
31
75
Poor
101
36
86
31
75
Moderate
97
34
63.55
31
75
Poor
104
37
93
31
75
Moderate
96
33
95.64
31
75
Poor
101
36
87
30
79
Moderate
95
33
81
31
75
Poor
122
44
55
31
75
Poor
101
36
81
30
79
Poor
105
37
43
31
75

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

89

temp.30°C
hum.59%
Bangalore City AQI

Bangalore

105

temp.22°C
hum.94%
Chennai City AQI

Chennai

106

temp.30°C
hum.79%
Hyderabad City AQI

Hyderabad

83

temp.26°C
hum.74%
Kolkata City AQI

Kolkata

77

temp.29°C
hum.89%
Mumbai City AQI

Mumbai

70

temp.25°C
hum.94%
New Delhi City AQI

New Delhi

122

temp.36°C
hum.60%
Pune City AQI

Pune

93

temp.24°C
hum.81%

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.

Sonipat, Haryana

269

Severe

9xabove Standard

2.

Muzaffarnagar, Uttar Pradesh

173

Unhealthy

7xabove Standard

3.

Bhiwani, Haryana

172

Unhealthy

6xabove Standard

4.

Budaun, Uttar Pradesh

171

Unhealthy

6xabove Standard

5.

Anantapur, Andhra Pradesh

168

Unhealthy

6xabove Standard

6.

Pali, Rajasthan

164

Unhealthy

5xabove Standard

7.

Sirsa, Haryana

161

Unhealthy

5xabove Standard

8.

Bhagalpur, Bihar

157

Unhealthy

4xabove Standard

9.

Hapur, Uttar Pradesh

154

Unhealthy

4xabove Standard

10.

Firozabad, Uttar Pradesh

154

Unhealthy

4xabove Standard

Last Updated: 18 Jul 2026, 02:50 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 106 (Poor). This was last updated 2026-07-18 20:11:01 (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 (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 129 (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 129 at 8:31 AM (Local Time), lowest 76 at 1:01 PM (Local Time).

5. 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.

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Read the latest news

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