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Chennai Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-28 10:25:56 PM (Local Time)

location image
Live AQI
171
Air Quality is
Unhealthy
pm10 :  148 µg/m³
PM2.5 :  88 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi unhealthy level in Chennai
partly cloudy

32 °C

Partly cloudy
Humidity
Humidity67 %

Wind Speed
Wind Speed28 km/h

UV Index
UV Index0
Last Updated: 2025-05-28 10:25:56 PM (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
96AQI
16%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
3%
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.(%)
Abhiramapuram
Unhealthy
170
83
117
32
69
Abiramapuram
Unhealthy
170
83
117
32
69
Achuthan Nagar
Unhealthy
176
92
155
32
72
Alandur Bus Depot
Unhealthy
183
101
148
32
72
Arumbakkam
Unhealthy
169
81
117
32
72
Chennai US Consulate
Unhealthy
161
70
154
31
69
Gandhi Nagar Ennore
Unhealthy
178
94
88
32
72
Intuc Nagar
Unhealthy
174
88
117
31
72
Kodungaiyur
Unhealthy
194
117
150
32
71
Korattur
Unhealthy
164
74
110
31
70
Kumaraswami Nagar
Unhealthy
183
101
239
32
67
Manali
Unhealthy
183
101
211
31
71
Manali Village
Moderate
56
12
35
28
74
Muthtamil Nagar
Unhealthy
164
74
110
31
70
Neelankari
Unhealthy
184
102
183
32
65
Parle Town
Unhealthy
168
80
163
31
69
Perungudi
Unhealthy
184
102
196
31
66
Potheri
Unhealthy
177
92
165
32
69
Royapuram
Unhealthy
192
115
161
32
69
Sridevi Colony
Unhealthy
170
83
154
31
72
Stella Maris College
Unhealthy
169
81
123
32
69
Thirumurugan Salai
Unhealthy
187
106
253
32
64
Velachery Res. Area
Unhealthy
169
81
137
31
71

India's Metro Cities

Air Quality Index

Health Advice For People Living In

Chennai

1.3Cigarettes per day

Cigarette
Weekly 9.1 Cigarettes
Monthly 39.0 Cigarettes

Breathing the air in this location is as harmful as smoking 1.3 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.


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

High Chances of Asthma

Asthma

Risk of Asthma symptoms is High when AQI is Unhealthy (150-301)

Severe symptoms including intense wheezing, severe shortness of breath, significant chest tightness, and persistent coughing that may disrupt daily activities.

Do's :

  • Avoid going outside and keep windows closed to reduce exposure to pollutants.

  • Take prescribed medications as directed by your healthcare provider.

  • Maintain clean indoor air with air purifiers, especially in bedrooms and living areas.

Don'ts :

  • Smoke or expose yourself to secondhand smoke.

  • Engage in physical exertion outdoors.

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 171 (Unhealthy). This was last updated 2025-05-28 10:25:56 PM (Local Time).

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

The best AQI level was 66 (Moderate) at 3:09 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 171 (Unhealthy) at 10:09 PM (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 171 at 10:09 PM (Local Time), lowest 66 at 3:09 AM (Local Time).

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

Current AQI levels are unhealthy for everyone. It's advised to limit outdoor activities and consider using air purifiers indoors.