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Tamil Nadu Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-11-28 03:46:55 AM (Local Time)

Live AQI

148(AQI-US)

Air Quality is

Poor

pm10 : 82 µg/m³

PM2.5 : 62 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

18 °C

Last Updated: 2025-11-28 03:46:55 AM (Local Time)

Map

Tamil Nadu

Major Air Pollutants
Tamil Nadu

Particulate Matter(PM2.5)

62µg/m³

Particulate Matter(PM10)

82µg/m³

Carbon Monoxide(CO)

403ppb

Sulfur Dioxide(SO2)

5ppb

Nitrogen Dioxide(NO2)

6ppb

Ozone(O3)

9ppb

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AQI Graph

Historical Air Quality Data
Tamil Nadu

24 Hours

AQI

Tamil Nadu

AQI

27-11-2025Time28-11-2025

Time	Tamil Nadu
03 AM	137
04 AM	138
05 AM	140
06 AM	145
07 AM	152
08 AM	151
09 AM	148
10 AM	147
11 AM	144
12 PM	142
01 PM	142
02 PM	139
03 PM	137
04 PM	132
05 PM	132
06 PM	140
07 PM	140
08 PM	143
09 PM	144
10 PM	146
11 PM	147
12 AM	150
01 AM	150
02 AM	152
03 AM	150

132

Min.at 4:04 PM on 27th Nov

152

Max.at 7:04 AM on 27th Nov

Want air quality data?

AQI Trends - Annual Air Quality Changes
Tamil Nadu, India

AQI

Year

AQI

AQI	AQI
Jan 2020	133
Feb 2020	125
Mar 2020	99
Apr 2020	59
May 2020	58
Jun 2020	59
Jul 2020	60
Aug 2020	72
Sep 2020	75
Oct 2020	89
Nov 2020	89
Dec 2020	89
Jan 2021	75
Feb 2021	78
Mar 2021	76
Apr 2021	69
May 2021	60
Jun 2021	71
Jul 2021	64
Aug 2021	66
Sep 2021	67
Oct 2021	74
Nov 2021	71
Dec 2021	103
Jan 2022	80
Feb 2022	79
Mar 2022	91
Apr 2022	66
May 2022	86
Jun 2022	79
Jul 2022	64
Aug 2022	61
Sep 2022	82
Oct 2022	94
Nov 2022	92
Dec 2022	95
Jan 2023	109
Feb 2023	100
Mar 2023	78
Apr 2023	70
May 2023	73
Jun 2023	63
Jul 2023	59
Aug 2023	66
Sep 2023	54
Oct 2023	71
Nov 2023	66
Dec 2023	101
Jan 2024	107
Feb 2024	93
Mar 2024	91
Apr 2024	74
May 2024	57
Jun 2024	56
Jul 2024	56
Aug 2024	56
Sep 2024	70
Oct 2024	77
Nov 2024	102
Dec 2024	98
Jan 2025	117
Feb 2025	105
Mar 2025	92
Apr 2025	77
May 2025	75
Jun 2025	70
Jul 2025	64
Aug 2025	64
Sep 2025	69
Oct 2025	96
Nov 2025	121

Annual AQI Trends

2020

84AQI

2021

73AQI

-13%

Fall

2022

82AQI

12%

Rise

2023

76AQI

-7%

Fall

2024

78AQI

Rise

2025

86AQI

10%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJanuary, 2020133AQI

Least PollutedSeptember, 202354AQI

* This data analysis is from year 2020 - 2025

Tamil Nadu's Cities
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Chennai

Unhealthy

157

Coimbatore

Unhealthy

162

Conjeeveram

Unhealthy

162

Cuddalore

Unhealthy

151

Dindigul

Unhealthy

162

Erode

Unhealthy

168

103

Hosur

Unhealthy

166

118

Karur

Unhealthy

163

Kilkunda

Moderate

Kodaikanal

Moderate

Kuppuchipalayam

Unhealthy

179

123

Madurai

Unhealthy

156

Meyyur

Unhealthy

173

109

Mudumalai

Poor

117

Nagercoil

Poor

107

Negapatam

Poor

102

Ootacamund

Moderate

Ooty

Moderate

Pappankuppam

Unhealthy

159

Peerakankaranai

Unhealthy

163

104

Rajapalaiyam

Poor

124

Ramanathapuram

Poor

132

Rameswaram

Poor

112

Salem

Unhealthy

166

104

Seven Pagodas

Unhealthy

164

Tanjore

Unhealthy

163

Thoothukudi

Moderate

Tinnevelly

Poor

105

Tiruppur

Unhealthy

167

106

Tiruvannamalai

Unhealthy

158

Trichinopoly

Unhealthy

154

Tuticorin

Moderate

Valparai

Unhealthy

168

106

Vellore

Unhealthy

164

India's Metro Cities
Air Quality Index

Ahmedabad

213

temp.22°C

hum.69%

Bangalore

166

temp.18°C

hum.88%

Chennai

157

temp.26°C

hum.74%

Hyderabad

209

temp.19°C

hum.78%

Kolkata

305

temp.19°C

hum.83%

Mumbai

185

temp.27°C

hum.66%

New Delhi

499

temp.12°C

hum.82%

Pune

218

temp.19°C

hum.63%

Air Quality Calendar 2025
Tamil Nadu

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 103	2 Jan 114	3 Jan 126	4 Jan 131
5 Jan 132	6 Jan 134	7 Jan 128	8 Jan 136	9 Jan 132	10 Jan 132	11 Jan 117
12 Jan 119	13 Jan 116	14 Jan 98	15 Jan 92	16 Jan 109	17 Jan 125	18 Jan 122
19 Jan 112	20 Jan 118	21 Jan 122	22 Jan 123	23 Jan 109	24 Jan 103	25 Jan 102
26 Jan 100	27 Jan 108	28 Jan 125	29 Jan 126	30 Jan 120	31 Jan 102	1 Feb 93

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 100	27 Jan 108	28 Jan 125	29 Jan 126	30 Jan 120	31 Jan 102	1 Feb 93
2 Feb 88	3 Feb 87	4 Feb 102	5 Feb 114	6 Feb 129	7 Feb 121	8 Feb 122
9 Feb 126	10 Feb 140	11 Feb 117	12 Feb 113	13 Feb 101	14 Feb 99	15 Feb 97
16 Feb 93	17 Feb 105	18 Feb 109	19 Feb 110	20 Feb 105	21 Feb 96	22 Feb 98
23 Feb 92	24 Feb 96	25 Feb 101	26 Feb 104	27 Feb 99	28 Feb 95	1 Mar 88

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 92	24 Feb 96	25 Feb 101	26 Feb 104	27 Feb 99	28 Feb 95	1 Mar 88
2 Mar 80	3 Mar 83	4 Mar 86	5 Mar 88	6 Mar 100	7 Mar 109	8 Mar 112
9 Mar 101	10 Mar 101	11 Mar 99	12 Mar 90	13 Mar 87	14 Mar 94	15 Mar 77
16 Mar 95	17 Mar 98	18 Mar 86	19 Mar 85	20 Mar 89	21 Mar 91	22 Mar 86
23 Mar 83	24 Mar 86	25 Mar 91	26 Mar 95	27 Mar 99	28 Mar 95	29 Mar 101
30 Mar 93	31 Mar 93	1 Apr 94	2 Apr 87	3 Apr 74	4 Apr 74	5 Apr 69

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 93	31 Mar 93	1 Apr 94	2 Apr 87	3 Apr 74	4 Apr 74	5 Apr 69
6 Apr 66	7 Apr 67	8 Apr 72	9 Apr 73	10 Apr 80	11 Apr 83	12 Apr 84
13 Apr 84	14 Apr 78	15 Apr 70	16 Apr 73	17 Apr 76	18 Apr 75	19 Apr 82
20 Apr 81	21 Apr 82	22 Apr 81	23 Apr 79	24 Apr 78	25 Apr 79	26 Apr 76
27 Apr 71	28 Apr 67	29 Apr 68	30 Apr 73	1 May 72	2 May 71	3 May 76

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 71	28 Apr 67	29 Apr 68	30 Apr 73	1 May 72	2 May 71	3 May 76
4 May 73	5 May 76	6 May 76	7 May 77	8 May 82	9 May 85	10 May 84
11 May 83	12 May 80	13 May 80	14 May 80	15 May 83	16 May 83	17 May 81
18 May 77	19 May 70	20 May 70	21 May 68	22 May 77	23 May 71	24 May 65
25 May 64	26 May 59	27 May 66	28 May 72	29 May 66	30 May 70	31 May 73

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 73	2 Jun 74	3 Jun 72	4 Jun 72	5 Jun 80	6 Jun 85	7 Jun 86
8 Jun 78	9 Jun 76	10 Jun 77	11 Jun 77	12 Jun 76	13 Jun 72	14 Jun 67
15 Jun 66	16 Jun 65	17 Jun 66	18 Jun 66	19 Jun 66	20 Jun 67	21 Jun 66
22 Jun 69	23 Jun 67	24 Jun 66	25 Jun 66	26 Jun 64	27 Jun 63	28 Jun 63
29 Jun 63	30 Jun 62	1 Jul 63	2 Jul 65	3 Jul 62	4 Jul 62	5 Jul 65

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 63	30 Jun 62	1 Jul 63	2 Jul 65	3 Jul 62	4 Jul 62	5 Jul 65
6 Jul 64	7 Jul 66	8 Jul 66	9 Jul 67	10 Jul 67	11 Jul 69	12 Jul 68
13 Jul 68	14 Jul 66	15 Jul 65	16 Jul 65	17 Jul 64	18 Jul 64	19 Jul 64
20 Jul 64	21 Jul 64	22 Jul 63	23 Jul 64	24 Jul 64	25 Jul 64	26 Jul 62
27 Jul 60	28 Jul 60	29 Jul 61	30 Jul 61	31 Jul 64	1 Aug 67	2 Aug 72

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 60	28 Jul 60	29 Jul 61	30 Jul 61	31 Jul 64	1 Aug 67	2 Aug 72
3 Aug 69	4 Aug 69	5 Aug 66	6 Aug 66	7 Aug 67	8 Aug 67	9 Aug 68
10 Aug 67	11 Aug 65	12 Aug 68	13 Aug 62	14 Aug 61	15 Aug 61	16 Aug 60
17 Aug 57	18 Aug 57	19 Aug 58	20 Aug 60	21 Aug 63	22 Aug 66	23 Aug 63
24 Aug 64	25 Aug 64	26 Aug 64	27 Aug 64	28 Aug 62	29 Aug 65	30 Aug 64
31 Aug 64	1 Sep 65	2 Sep 64	3 Sep 64	4 Sep 67	5 Sep 65	6 Sep 67

September

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
31 Aug 64	1 Sep 65	2 Sep 64	3 Sep 64	4 Sep 67	5 Sep 65	6 Sep 67
7 Sep 66	8 Sep 68	9 Sep 75	10 Sep 75	11 Sep 73	12 Sep 76	13 Sep 79
14 Sep 75	15 Sep 72	16 Sep 70	17 Sep 66	18 Sep 65	19 Sep 65	20 Sep 67
21 Sep 68	22 Sep 68	23 Sep 68	24 Sep 68	25 Sep 70	26 Sep 64	27 Sep 66
28 Sep 61	29 Sep 67	30 Sep 77	1 Oct 84	2 Oct 77	3 Oct 84	4 Oct 87

October

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
28 Sep 61	29 Sep 67	30 Sep 77	1 Oct 84	2 Oct 77	3 Oct 84	4 Oct 87
5 Oct 92	6 Oct 85	7 Oct 103	8 Oct 106	9 Oct 103	10 Oct 97	11 Oct 100
12 Oct 115	13 Oct 117	14 Oct 105	15 Oct 89	16 Oct 92	17 Oct 87	18 Oct 101
19 Oct 115	20 Oct 151	21 Oct 144	22 Oct 77	23 Oct 74	24 Oct 75	25 Oct 92
26 Oct 75	27 Oct 77	28 Oct 77	29 Oct 85	30 Oct 89	31 Oct 107	1 Nov 107

November

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Oct 75	27 Oct 77	28 Oct 77	29 Oct 85	30 Oct 89	31 Oct 107	1 Nov 107
2 Nov 95	3 Nov 94	4 Nov 98	5 Nov 100	6 Nov 101	7 Nov 115	8 Nov 131
9 Nov 141	10 Nov 149	11 Nov 153	12 Nov 149	13 Nov 141	14 Nov 147	15 Nov 154
16 Nov 155	17 Nov 154	18 Nov 128	19 Nov 114	20 Nov 126	21 Nov 97	22 Nov 64
23 Nov 65	24 Nov 92	25 Nov 132	26 Nov 144	27 Nov -	28 Nov -	29 Nov -
30 Nov -	1 Dec -	2 Dec -	3 Dec -	4 Dec -	5 Dec -	6 Dec -

Health Advice For People Living In
Tamil Nadu

2.6Cigarettes per day

Weekly 18.2 Cigarettes

Monthly 78 Cigarettes

Breathing the air in this location is as harmful as smoking 2.6 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

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

Tamil Nadu

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

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Poor (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.

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 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

Khairabad, India

Noida, India

Siwani, India

Ghaziabad, India

Daryapur, India

Siktaur, India

Gurgaon, India

New Delhi, India

Greater Noida, India

10.

Bhimapar, India

Hazardous

32xabove Standard

Last Updated: 27 Nov 2025, 10:19 PM

AQI City Rankings

Air Quality Solutions For Tamil Nadu
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 Tamil Nadu

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 Tamil Nadu

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 Tamil Nadu

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 Tamil Nadu

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.

Tamil Nadu'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 Tamil Nadu

Frequently Asked Questions About Air Quality

What is the current AQI level in Tamil Nadu?

The current real-time AQI level in Tamil Nadu is 148 (Poor). This was last updated 2025-11-28 03:46:55 AM (Local Time).

When was the best AQI level in Tamil Nadu in the last 24 hours?

The best AQI level was 132 (Poor) at 4:04 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Tamil Nadu in the last 24 hours?

The worst AQI level was 152 (Unhealthy) at 7:04 AM (Local Time) during the last 24 hours.

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

The AQI levels in Tamil Nadu have been fluctuating throughout the last 24 hours. The levels have increased by highest 152 at 7:04 AM (Local Time), lowest 132 at 4:04 PM (Local Time).

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

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.