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!
June Air Quality Analysis
Kolkata, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 126 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Kolkata, West Bengal, India
4 AM1st Jun 2026
6 PM
3 AM2nd Jun 2026
120AQI
73AQI
123AQI
88AQI
In the last 24 hours,
Kolkata's AQI reached its highest point of 123 at 2 AM during the Night, while the lowest point, 73, was recorded at 5 PM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Kolkata, West Bengal, India
30°C27/35°C
30°C27/35°C
29°C25/36°C
29°C25/37°C
30°C26/37°C
31°C24/38°C
30°C26/36°C
30°C27/35°C
30°C26/35°C
31°C27/37°C
32°C27/38°C
32°C28/38°C
32°C29/38°C
33°C28/40°C
33°C28/41°C
34°C29/42°C
33°C29/38°C
34°C29/41°C
33°C29/40°C
33°C29/39°C
33°C29/39°C
33°C29/39°C
33°C29/38°C
32°C26/39°C
31°C22/38°C
32°C27/39°C
33°C27/40°C
32°C29/38°C
33°C29/40°C
34°C29/40°C
106AQI
93AQI
100AQI
93AQI
2026 Days Vs Air Quality
Kolkata, West Bengal, India
18%
27
35%
54
22%
33
23%
35
3%
4
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 153 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
Kolkata, West Bengal, India
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
328AQI (US)
270AQI (US)
291AQI (US)
301AQI (US)
220AQI (US)
274AQI (US)
348AQI (US)
260AQI (US)
242AQI (US)
219AQI (US)
216AQI (US)
221AQI (US)
216AQI (US)
247AQI (US)
238AQI (US)
231AQI (US)
265AQI (US)
266AQI (US)
280AQI (US)
322AQI (US)
289AQI (US)
215AQI (US)
249AQI (US)
268AQI (US)
233AQI (US)
222AQI (US)
202AQI (US)
217AQI (US)
243AQI (US)
200AQI (US)
193AQI (US)
194AQI (US)
198AQI (US)
212AQI (US)
211AQI (US)
191AQI (US)
175AQI (US)
181AQI (US)
190AQI (US)
193AQI (US)
202AQI (US)
210AQI (US)
199AQI (US)
201AQI (US)
189AQI (US)
193AQI (US)
193AQI (US)
201AQI (US)
188AQI (US)
199AQI (US)
203AQI (US)
206AQI (US)
208AQI (US)
214AQI (US)
174AQI (US)
182AQI (US)
183AQI (US)
166AQI (US)
160AQI (US)
162AQI (US)
169AQI (US)
183AQI (US)
180AQI (US)
184AQI (US)
172AQI (US)
161AQI (US)
160AQI (US)
158AQI (US)
155AQI (US)
160AQI (US)
160AQI (US)
137AQI (US)
132AQI (US)
107AQI (US)
113AQI (US)
92AQI (US)
91AQI (US)
100AQI (US)
123AQI (US)
119AQI (US)
137AQI (US)
144AQI (US)
144AQI (US)
129AQI (US)
153AQI (US)
137AQI (US)
106AQI (US)
131AQI (US)
133AQI (US)
140AQI (US)
141AQI (US)
116AQI (US)
110AQI (US)
130AQI (US)
127AQI (US)
123AQI (US)
95AQI (US)
99AQI (US)
114AQI (US)
122AQI (US)
139AQI (US)
128AQI (US)
127AQI (US)
108AQI (US)
134AQI (US)
97AQI (US)
91AQI (US)
105AQI (US)
116AQI (US)
115AQI (US)
125AQI (US)
119AQI (US)
130AQI (US)
113AQI (US)
96AQI (US)
97AQI (US)
112AQI (US)
129AQI (US)
86AQI (US)
90AQI (US)
92AQI (US)
89AQI (US)
107AQI (US)
76AQI (US)
88AQI (US)
83AQI (US)
112AQI (US)
118AQI (US)
128AQI (US)
113AQI (US)
101AQI (US)
82AQI (US)
64AQI (US)
76AQI (US)
60AQI (US)
82AQI (US)
70AQI (US)
84AQI (US)
95AQI (US)
115AQI (US)
128AQI (US)
130AQI (US)
125AQI (US)
125AQI (US)
125AQI (US)
127AQI (US)
103AQI (US)
95AQI (US)
97AQI (US)
97AQI (US)
103AQI (US)
104AQI (US)
126AQI (US)
251AQI (US)
193AQI (US)
141AQI (US)
114AQI (US)
100AQI (US)
115AQI (US)
No. of days
2026159AQI (US)
Highest AQI (US) recorded in
January251AQI (US)
Lowest AQI (US) recorded in
May100AQI (US)
2025127AQI (US)
Highest AQI (US) recorded in
December280AQI (US)
Lowest AQI (US) recorded in
July66AQI (US)
2024118AQI (US)
Highest AQI (US) recorded in
January219AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
2023118AQI (US)
Highest AQI (US) recorded in
January183AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
2022116AQI (US)
Highest AQI (US) recorded in
December195AQI (US)
Lowest AQI (US) recorded in
July50AQI (US)
2021122AQI (US)
Highest AQI (US) recorded in
January205AQI (US)
Lowest AQI (US) recorded in
September69AQI (US)
202094AQI (US)
Highest AQI (US) recorded in
December224AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kolkata's annual 2026 AQI (US) (159) shows an average percentage change of 38.5% (worsened AQI (US)) compared to previous years: 2020 (94), 2021 (122), 2022 (116), 2023 (118), 2024 (118), 2025 (127).