Chetla, Kolkata, West Bengal, India Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Chetla, Kolkata, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (10th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 152 of Unhealthy air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Mar - 10th Mar 2026
Chetla, Kolkata, West Bengal, India
6 AM9th Mar 2026
5 PM
5 AM10th Mar 2026
159AQI
148AQI
156AQI
143AQI
In the last 24 hours,
Chetla's AQI reached its highest point of 159 at 11 AM during the Day, while the lowest point, 143, was recorded at 1 AM during the Night between 9th Mar and 10th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Chetla, Kolkata, West Bengal, India
23°C16/30°C
23°C17/30°C
24°C17/31°C
24°C17/32°C
24°C17/31°C
24°C17/31°C
23°C17/31°C
24°C18/31°C
24°C18/32°C
25°C19/33°C
26°C19/33°C
27°C21/34°C
27°C21/34°C
27°C21/35°C
27°C21/35°C
26°C21/33°C
26°C21/33°C
26°C20/33°C
25°C19/34°C
26°C20/35°C
27°C21/35°C
28°C22/36°C
27°C21/36°C
27°C20/35°C
27°C21/35°C
27°C21/34°C
27°C22/34°C
27°C22/34°C
27°C23/34°C
28°C24/34°C
190AQI
145AQI
189AQI
149AQI
2026 Days Vs Air Quality
Chetla, Kolkata, West Bengal, India
68%
47
32%
22
Total number of days with different AQI categories in last 70 days in 2026 (295 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 70 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
Chetla, Kolkata, West Bengal, India
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
272AQI (US)
243AQI (US)
249AQI (US)
261AQI (US)
200AQI (US)
237AQI (US)
286AQI (US)
228AQI (US)
215AQI (US)
197AQI (US)
190AQI (US)
197AQI (US)
196AQI (US)
218AQI (US)
213AQI (US)
206AQI (US)
234AQI (US)
231AQI (US)
229AQI (US)
258AQI (US)
244AQI (US)
201AQI (US)
223AQI (US)
240AQI (US)
207AQI (US)
202AQI (US)
191AQI (US)
195AQI (US)
214AQI (US)
187AQI (US)
180AQI (US)
182AQI (US)
187AQI (US)
196AQI (US)
199AQI (US)
182AQI (US)
166AQI (US)
173AQI (US)
183AQI (US)
182AQI (US)
176AQI (US)
196AQI (US)
187AQI (US)
192AQI (US)
176AQI (US)
183AQI (US)
182AQI (US)
190AQI (US)
170AQI (US)
182AQI (US)
184AQI (US)
188AQI (US)
190AQI (US)
192AQI (US)
165AQI (US)
173AQI (US)
174AQI (US)
163AQI (US)
155AQI (US)
157AQI (US)
160AQI (US)
168AQI (US)
169AQI (US)
175AQI (US)
163AQI (US)
158AQI (US)
158AQI (US)
155AQI (US)
152AQI (US)
221AQI (US)
181AQI (US)
162AQI (US)
No. of days
2026196AQI (US)
Highest AQI (US) recorded in
January221AQI (US)
Lowest AQI (US) recorded in
March162AQI (US)
2025124AQI (US)
Highest AQI (US) recorded in
December265AQI (US)
Lowest AQI (US) recorded in
July66AQI (US)
2024113AQI (US)
Highest AQI (US) recorded in
January218AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
2023113AQI (US)
Highest AQI (US) recorded in
January176AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
2022109AQI (US)
Highest AQI (US) recorded in
December187AQI (US)
Lowest AQI (US) recorded in
August43AQI (US)
2021124AQI (US)
Highest AQI (US) recorded in
December161AQI (US)
Lowest AQI (US) recorded in
September58AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Chetla's annual 2026 AQI (US) (196) shows an average percentage change of 68.2% (worsened AQI (US)) compared to previous years: 2021 (124), 2022 (109), 2023 (113), 2024 (113), 2025 (124).