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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)

location image
Live AQI
77
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+
aqi moderate level in Chennai
mist

29 °C

Mist
Humidity
Humidity79 %

Wind Speed
Wind Speed23 km/h

UV Index
UV Index3
Last Updated: 2025-06-21 08:11:22 AM (Local Time)


Map

Chennai

Major Air Pollutants

Chennai

AQI Graph

Historical Air Quality Data

Chennai

Chennai

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Chennai, Tamil Nadu, India

Year
.
AQI


Annual AQI Trends

2020
86AQI
2021
81AQI
-6%
Fall
2022
85AQI
5%
Rise
2023
90AQI
6%
Rise
2024
83AQI
-8%
Fall
2025
94AQI
13%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
2%
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
77
23
48
31
72
Moderate
77
23
47
31
72
Moderate
74
21
47
31
76
Moderate
78
23
64
28
83
Moderate
78
24
48
31
74
Moderate
84
27
50
30
74
Moderate
74
21
44
31
77
Moderate
72
21
48
31
72
Moderate
76
23
47
30
69
Moderate
77
23
46
28
77
Moderate
74
22
50
30
77
Moderate
76
23
48
30
70
Moderate
63
15
46
28
77
Moderate
77
23
46
28
77
Moderate
78
24
49
30
77
Moderate
84
27
50
30
74
Moderate
74
22
44
30
77
Moderate
83
26
47
31
72
Moderate
86
28
49
31
72
Moderate
83
26
49
31
76
Moderate
82
26
48
31
72
Moderate
72
20
53
28
83
Moderate
78
23
48
29
76

India's Metro Cities

Air Quality Index

Health Advice For People Living In

Chennai

1Cigarettes per day

Cigarette
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 Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

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)
asthma due to air pollution in Chennai

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.

Chennai's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Chennai
Mobile App

Empower Your Decisions with Reliable Data

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

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


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

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.