Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Chengalpattu, Tamil Nadu, India Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Chengalpattu, Tamil Nadu, India

2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2026
91AQI
Lowest AQI recorded on
4th Aug 2026
69AQI

Same Day Analysis (10th August):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 83 of Moderate air quality on the same day.

2026 Days Vs Air Quality

Chengalpattu, Tamil Nadu, India

2026

2%

5

54%

118

20%

44

20%

43

4%

8

Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)

Good
5 Days
Moderate
118 Days
Poor
44 Days
Unhealthy
43 Days
Severe
8 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 2%

Health Risk Level:

Extreme

In 2026, 2% of 222 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Chengalpattu, Tamil Nadu, India

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
2nd January 2026
3rd January 2026
4th January 2026
5th January 2026
189AQI (US)
6th January 2026
204AQI (US)
7th January 2026
185AQI (US)
8th January 2026
170AQI (US)
9th January 2026
152AQI (US)
10th January 2026
149AQI (US)
11th January 2026
161AQI (US)
12th January 2026
158AQI (US)
13th January 2026
166AQI (US)
14th January 2026
281AQI (US)
15th January 2026
191AQI (US)
16th January 2026
201AQI (US)
17th January 2026
213AQI (US)
18th January 2026
186AQI (US)
19th January 2026
188AQI (US)
20th January 2026
213AQI (US)
21st January 2026
202AQI (US)
22nd January 2026
153AQI (US)
23rd January 2026
186AQI (US)
24th January 2026
170AQI (US)
25th January 2026
149AQI (US)
26th January 2026
121AQI (US)
27th January 2026
174AQI (US)
28th January 2026
199AQI (US)
29th January 2026
195AQI (US)
30th January 2026
181AQI (US)
31st January 2026
150AQI (US)
1st February 2026
169AQI (US)
2nd February 2026
196AQI (US)
3rd February 2026
162AQI (US)
4th February 2026
137AQI (US)
5th February 2026
140AQI (US)
6th February 2026
157AQI (US)
7th February 2026
175AQI (US)
8th February 2026
187AQI (US)
9th February 2026
174AQI (US)
10th February 2026
196AQI (US)
11th February 2026
178AQI (US)
12th February 2026
156AQI (US)
13th February 2026
150AQI (US)
14th February 2026
172AQI (US)
15th February 2026
200AQI (US)
16th February 2026
206AQI (US)
17th February 2026
223AQI (US)
18th February 2026
182AQI (US)
19th February 2026
188AQI (US)
20th February 2026
169AQI (US)
21st February 2026
153AQI (US)
22nd February 2026
138AQI (US)
23rd February 2026
86AQI (US)
24th February 2026
118AQI (US)
25th February 2026
101AQI (US)
26th February 2026
146AQI (US)
27th February 2026
170AQI (US)
28th February 2026
191AQI (US)
1st March 2026
177AQI (US)
2nd March 2026
170AQI (US)
3rd March 2026
165AQI (US)
4th March 2026
150AQI (US)
5th March 2026
152AQI (US)
6th March 2026
155AQI (US)
7th March 2026
156AQI (US)
8th March 2026
142AQI (US)
9th March 2026
151AQI (US)
10th March 2026
148AQI (US)
11th March 2026
145AQI (US)
12th March 2026
151AQI (US)
13th March 2026
128AQI (US)
14th March 2026
115AQI (US)
15th March 2026
93AQI (US)
16th March 2026
78AQI (US)
17th March 2026
84AQI (US)
18th March 2026
96AQI (US)
19th March 2026
81AQI (US)
20th March 2026
85AQI (US)
21st March 2026
96AQI (US)
22nd March 2026
94AQI (US)
23rd March 2026
90AQI (US)
24th March 2026
91AQI (US)
25th March 2026
97AQI (US)
26th March 2026
111AQI (US)
27th March 2026
137AQI (US)
28th March 2026
134AQI (US)
29th March 2026
105AQI (US)
30th March 2026
99AQI (US)
31st March 2026
103AQI (US)
1st April 2026
93AQI (US)
2nd April 2026
96AQI (US)
3rd April 2026
106AQI (US)
4th April 2026
97AQI (US)
5th April 2026
105AQI (US)
6th April 2026
141AQI (US)
7th April 2026
121AQI (US)
8th April 2026
118AQI (US)
9th April 2026
121AQI (US)
10th April 2026
127AQI (US)
11th April 2026
112AQI (US)
12th April 2026
90AQI (US)
13th April 2026
87AQI (US)
14th April 2026
75AQI (US)
15th April 2026
75AQI (US)
16th April 2026
67AQI (US)
17th April 2026
72AQI (US)
18th April 2026
77AQI (US)
19th April 2026
68AQI (US)
20th April 2026
77AQI (US)
21st April 2026
85AQI (US)
22nd April 2026
81AQI (US)
23rd April 2026
45AQI (US)
24th April 2026
55AQI (US)
25th April 2026
60AQI (US)
26th April 2026
87AQI (US)
27th April 2026
109AQI (US)
28th April 2026
97AQI (US)
29th April 2026
78AQI (US)
30th April 2026
75AQI (US)
1st May 2026
85AQI (US)
2nd May 2026
88AQI (US)
3rd May 2026
105AQI (US)
4th May 2026
109AQI (US)
5th May 2026
111AQI (US)
6th May 2026
113AQI (US)
7th May 2026
53AQI (US)
8th May 2026
43AQI (US)
9th May 2026
81AQI (US)
10th May 2026
72AQI (US)
11th May 2026
60AQI (US)
12th May 2026
64AQI (US)
13th May 2026
78AQI (US)
14th May 2026
73AQI (US)
15th May 2026
87AQI (US)
16th May 2026
135AQI (US)
17th May 2026
118AQI (US)
18th May 2026
99AQI (US)
19th May 2026
85AQI (US)
20th May 2026
68AQI (US)
21st May 2026
85AQI (US)
22nd May 2026
85AQI (US)
23rd May 2026
104AQI (US)
24th May 2026
117AQI (US)
25th May 2026
98AQI (US)
26th May 2026
98AQI (US)
27th May 2026
99AQI (US)
28th May 2026
96AQI (US)
29th May 2026
94AQI (US)
30th May 2026
89AQI (US)
31st May 2026
94AQI (US)
1st June 2026
90AQI (US)
2nd June 2026
84AQI (US)
3rd June 2026
73AQI (US)
4th June 2026
61AQI (US)
5th June 2026
72AQI (US)
6th June 2026
56AQI (US)
7th June 2026
59AQI (US)
8th June 2026
54AQI (US)
9th June 2026
53AQI (US)
10th June 2026
62AQI (US)
11th June 2026
77AQI (US)
12th June 2026
86AQI (US)
13th June 2026
72AQI (US)
14th June 2026
77AQI (US)
15th June 2026
84AQI (US)
16th June 2026
86AQI (US)
17th June 2026
92AQI (US)
18th June 2026
89AQI (US)
19th June 2026
100AQI (US)
20th June 2026
108AQI (US)
21st June 2026
101AQI (US)
22nd June 2026
79AQI (US)
23rd June 2026
65AQI (US)
24th June 2026
61AQI (US)
25th June 2026
68AQI (US)
26th June 2026
85AQI (US)
27th June 2026
80AQI (US)
28th June 2026
82AQI (US)
29th June 2026
73AQI (US)
30th June 2026
49AQI (US)
1st July 2026
50AQI (US)
2nd July 2026
48AQI (US)
3rd July 2026
52AQI (US)
4th July 2026
54AQI (US)
5th July 2026
62AQI (US)
6th July 2026
71AQI (US)
7th July 2026
74AQI (US)
8th July 2026
67AQI (US)
9th July 2026
80AQI (US)
10th July 2026
100AQI (US)
11th July 2026
75AQI (US)
12th July 2026
76AQI (US)
13th July 2026
78AQI (US)
14th July 2026
84AQI (US)
15th July 2026
94AQI (US)
16th July 2026
94AQI (US)
17th July 2026
98AQI (US)
18th July 2026
109AQI (US)
19th July 2026
93AQI (US)
20th July 2026
101AQI (US)
21st July 2026
119AQI (US)
22nd July 2026
81AQI (US)
23rd July 2026
86AQI (US)
24th July 2026
82AQI (US)
25th July 2026
79AQI (US)
26th July 2026
77AQI (US)
27th July 2026
77AQI (US)
28th July 2026
63AQI (US)
29th July 2026
72AQI (US)
30th July 2026
66AQI (US)
31st July 2026
78AQI (US)
1st August 2026
71AQI (US)
2nd August 2026
72AQI (US)
3rd August 2026
91AQI (US)
4th August 2026
69AQI (US)
5th August 2026
87AQI (US)
6th August 2026
72AQI (US)
7th August 2026
75AQI (US)
8th August 2026
69AQI (US)
9th August 2026
73AQI (US)
10th August 2026
83AQI (US)
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

181AQI (US)

165AQI (US)

122AQI (US)

90AQI (US)

90AQI (US)

76AQI (US)

79AQI (US)

76AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

2026111AQI (US)

4
17
6
1
7
18
2
12
11
8
1
20
9
1
22
8
1
27
2
2
26
3
10
5
118
44
43
8

Highest AQI (US) recorded in

January

181AQI (US)

Lowest AQI (US) recorded in

August

76AQI (US)

2025189AQI (US)

1
1

Highest AQI (US) recorded in

December

189AQI (US)

Lowest AQI (US) recorded in

December

189AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
189AQI (US)
Least Polluted Year Recorded
2026(Avg.)
111AQI (US)

Chengalpattu's annual 2026 AQI (US) (111) shows an average percentage change of -41.2% (improved AQI (US)) compared to previous years: 2025 (189).