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Chennai Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-21 08:11:22 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 49 µg/m³

PM2.5 : 23 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 2025-06-21 08:11:22 AM (Local Time)

Map

Chennai

Major Air Pollutants
Chennai

Particulate Matter(PM2.5)

23µg/m³

Particulate Matter(PM10)

49µg/m³

Carbon Monoxide(CO)

511ppb

Sulfur Dioxide(SO2)

3ppb

Nitrogen Dioxide(NO2)

9ppb

Ozone(O3)

9ppb

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AQI Graph

Historical Air Quality Data
Chennai

24 Hours

AQI

Chennai

Want air quality data?

AQI Trends - Annual Air Quality Changes
Chennai, Tamil Nadu, India

AQI

Year

AQI

Annual AQI Trends

2020

86AQI

2021

81AQI

-6%

Fall

2022

85AQI

Rise

2023

90AQI

Rise

2024

83AQI

-8%

Fall

2025

94AQI

13%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJanuary, 2020133AQI

Least PollutedMay, 202153AQI

* This data analysis is from year 2020 - 2025

Chennai's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

India's Metro Cities
Air Quality Index

Ahmedabad

Bangalore

Chennai

Hyderabad

Kolkata

Mumbai

New Delhi

110

Pune

Air Quality Calendar 2025
Chennai

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 114	2 Jan 132	3 Jan 137	4 Jan 143
5 Jan 147	6 Jan 151	7 Jan 142	8 Jan 146	9 Jan 141	10 Jan 146	11 Jan 121
12 Jan 119	13 Jan 116	14 Jan 91	15 Jan 87	16 Jan 124	17 Jan 136	18 Jan 126
19 Jan 111	20 Jan 131	21 Jan 130	22 Jan 136	23 Jan 111	24 Jan 109	25 Jan 106
26 Jan 103	27 Jan 112	28 Jan 133	29 Jan 131	30 Jan 127	31 Jan 99	1 Feb 91

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 103	27 Jan 112	28 Jan 133	29 Jan 131	30 Jan 127	31 Jan 99	1 Feb 91
2 Feb 86	3 Feb 84	4 Feb 101	5 Feb 120	6 Feb 129	7 Feb 137	8 Feb 132
9 Feb 136	10 Feb 144	11 Feb 113	12 Feb 120	13 Feb 100	14 Feb 100	15 Feb 101
16 Feb 101	17 Feb 118	18 Feb 121	19 Feb 120	20 Feb 111	21 Feb 99	22 Feb 101
23 Feb 96	24 Feb 97	25 Feb 109	26 Feb 114	27 Feb 105	28 Feb 103	1 Mar 84

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 96	24 Feb 97	25 Feb 109	26 Feb 114	27 Feb 105	28 Feb 103	1 Mar 84
2 Mar 77	3 Mar 80	4 Mar 77	5 Mar 78	6 Mar 99	7 Mar 114	8 Mar 105
9 Mar 93	10 Mar 94	11 Mar 92	12 Mar 87	13 Mar 79	14 Mar 88	15 Mar 66
16 Mar 75	17 Mar 94	18 Mar 83	19 Mar 80	20 Mar 80	21 Mar 81	22 Mar 79
23 Mar 74	24 Mar 81	25 Mar 87	26 Mar 94	27 Mar 109	28 Mar 98	29 Mar 107
30 Mar 90	31 Mar 95	1 Apr 100	2 Apr 86	3 Apr 72	4 Apr 76	5 Apr 66

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 90	31 Mar 95	1 Apr 100	2 Apr 86	3 Apr 72	4 Apr 76	5 Apr 66
6 Apr 66	7 Apr 64	8 Apr 67	9 Apr 64	10 Apr 79	11 Apr 82	12 Apr 90
13 Apr 88	14 Apr 77	15 Apr 70	16 Apr 74	17 Apr 75	18 Apr 72	19 Apr 83
20 Apr 80	21 Apr 81	22 Apr 79	23 Apr 74	24 Apr 74	25 Apr 74	26 Apr 72
27 Apr 65	28 Apr 58	29 Apr 60	30 Apr 65	1 May 69	2 May 70	3 May 80

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 65	28 Apr 58	29 Apr 60	30 Apr 65	1 May 69	2 May 70	3 May 80
4 May 77	5 May 81	6 May 77	7 May 80	8 May 90	9 May 93	10 May 92
11 May 95	12 May 95	13 May 98	14 May 94	15 May 98	16 May 93	17 May 89
18 May 84	19 May 76	20 May 79	21 May 69	22 May 83	23 May 81	24 May 71
25 May 70	26 May 67	27 May 74	28 May 88	29 May 74	30 May 81	31 May 85

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 82	2 Jun 83	3 Jun 80	4 Jun 79	5 Jun 87	6 Jun 95	7 Jun 95
8 Jun 85	9 Jun 86	10 Jun 86	11 Jun 88	12 Jun 86	13 Jun 81	14 Jun 75
15 Jun 73	16 Jun 71	17 Jun 73	18 Jun 73	19 Jun 73	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Chennai

1Cigarettes per day

Weekly 7.0 Cigarettes

Monthly 30.0 Cigarettes

Breathing the air in this location is as harmful as smoking 1.0 cigarettes a day.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Chennai

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.

Most Polluted Cities 2025
India

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Hapur, India

Fatehabad, India

Churu, India

Charkhi Dadri, India

Dwarka, India

Sasroli, India

Gurgaon, India

Ghaziabad, India

Noida, India

10.

Faridabad, India

Poor

8xabove Standard

Last Updated: 21 Jun 2025, 02:43 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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices 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.

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.

air quality solutions for institutes 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.

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.

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.

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.

Air Quality Solutions for Fitness Center

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

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.

Air Quality Solutions for Retail Stores

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

air quality solutions for airport 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.

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.

Air Quality Solutions For Hospitals

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

air quality solutions for bathroom 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.

Air Quality Solutions for Banks

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

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.

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 App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store

Get it onGoogle Play

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Chennai

Frequently Asked Questions About Air Quality

What is the current AQI level in Chennai?

The current real-time AQI level in Chennai is 77 (Moderate). This was last updated 2025-06-21 08:11:22 AM (Local Time).

When was the best AQI level in Chennai in the last 24 hours?

The best AQI level was 68 (Moderate) at 12:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Chennai in the last 24 hours?

The worst AQI level was 81 (Moderate) at 9:09 AM, Jun 20, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Chennai during last 24 hours?

The AQI levels in Chennai have been fluctuating throughout the last 24 hours. The levels have increased by highest 81 at 9:09 AM, Jun 20, 2025 (Local Time), lowest 68 at 12:09 AM (Local Time).

What actions are recommended as per the current AQI level in Chennai?

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