Ballygunge, 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!
October Air Quality Analysis
Ballygunge, Kolkata, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 128 of Poor air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Oct - 13th Oct 2025
Ballygunge, Kolkata, West Bengal, India
5 AM12th Oct 2025
5 PM
4 AM13th Oct 2025
160AQI
72AQI
180AQI
146AQI
In the last 24 hours,
Ballygunge's AQI reached its highest point of 180 at 1 AM during the Night, while the lowest point, 72, was recorded at 6 AM during the Day between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ballygunge, Kolkata, West Bengal, India
29°C26/32°C
29°C26/32°C
27°C26/28°C
27°C25/31°C
28°C26/33°C
29°C26/33°C
30°C26/34°C
30°C27/34°C
29°C26/34°C
27°C26/29°C
27°C25/30°C
28°C25/32°C
29°C26/33°C
29°C26/33°C
29°C26/33°C
29°C26/33°C
29°C26/33°C
31°C27/35°C
30°C27/34°C
26°C25/27°C
27°C25/29°C
28°C25/30°C
28°C26/31°C
28°C25/31°C
28°C25/31°C
28°C25/31°C
28°C25/32°C
27°C25/31°C
27°C24/31°C
27°C23/32°C
--°C/°C
88AQI
82AQI
87AQI
85AQI
2025 Days Vs Air Quality
Ballygunge, Kolkata, West Bengal, India
61%
173
24%
67
16%
45
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 286 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
Ballygunge, Kolkata, West Bengal, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
183AQI
167AQI
188AQI
182AQI
179AQI
168AQI
174AQI
154AQI
162AQI
180AQI
184AQI
190AQI
183AQI
181AQI
172AQI
170AQI
169AQI
169AQI
160AQI
168AQI
169AQI
180AQI
181AQI
178AQI
174AQI
156AQI
162AQI
170AQI
161AQI
147AQI
142AQI
137AQI
154AQI
157AQI
151AQI
167AQI
152AQI
143AQI
152AQI
158AQI
160AQI
145AQI
142AQI
144AQI
151AQI
154AQI
149AQI
133AQI
134AQI
135AQI
122AQI
138AQI
129AQI
137AQI
143AQI
154AQI
157AQI
165AQI
161AQI
140AQI
144AQI
139AQI
137AQI
146AQI
126AQI
152AQI
142AQI
138AQI
133AQI
119AQI
129AQI
123AQI
115AQI
104AQI
96AQI
105AQI
112AQI
141AQI
109AQI
126AQI
91AQI
136AQI
133AQI
152AQI
125AQI
133AQI
139AQI
148AQI
144AQI
127AQI
112AQI
97AQI
100AQI
115AQI
119AQI
102AQI
83AQI
74AQI
62AQI
61AQI
67AQI
68AQI
95AQI
94AQI
101AQI
100AQI
83AQI
75AQI
91AQI
90AQI
91AQI
98AQI
104AQI
94AQI
85AQI
70AQI
93AQI
108AQI
78AQI
91AQI
87AQI
86AQI
83AQI
84AQI
84AQI
86AQI
95AQI
98AQI
98AQI
115AQI
116AQI
106AQI
99AQI
93AQI
88AQI
82AQI
79AQI
69AQI
64AQI
63AQI
65AQI
74AQI
66AQI
68AQI
62AQI
60AQI
62AQI
61AQI
59AQI
65AQI
84AQI
91AQI
111AQI
101AQI
89AQI
90AQI
99AQI
109AQI
113AQI
109AQI
105AQI
92AQI
78AQI
79AQI
82AQI
74AQI
68AQI
65AQI
66AQI
68AQI
73AQI
76AQI
82AQI
78AQI
70AQI
67AQI
61AQI
61AQI
65AQI
67AQI
72AQI
68AQI
57AQI
69AQI
70AQI
71AQI
66AQI
62AQI
60AQI
63AQI
63AQI
66AQI
70AQI
73AQI
69AQI
68AQI
69AQI
69AQI
69AQI
72AQI
70AQI
72AQI
67AQI
69AQI
71AQI
64AQI
61AQI
61AQI
64AQI
69AQI
60AQI
70AQI
73AQI
82AQI
80AQI
79AQI
78AQI
78AQI
85AQI
76AQI
64AQI
63AQI
66AQI
79AQI
67AQI
64AQI
59AQI
61AQI
60AQI
58AQI
58AQI
60AQI
65AQI
69AQI
68AQI
66AQI
68AQI
69AQI
68AQI
68AQI
67AQI
69AQI
70AQI
81AQI
70AQI
67AQI
62AQI
67AQI
75AQI
80AQI
86AQI
86AQI
87AQI
91AQI
86AQI
82AQI
79AQI
73AQI
68AQI
69AQI
71AQI
79AQI
89AQI
106AQI
101AQI
83AQI
80AQI
69AQI
70AQI
64AQI
67AQI
68AQI
82AQI
71AQI
52AQI
54AQI
74AQI
66AQI
100AQI
106AQI
103AQI
110AQI
126AQI
107AQI
128AQI
171AQI
147AQI
129AQI
90AQI
81AQI
82AQI
67AQI
69AQI
78AQI
91AQI
No. of days
2025101AQI
Highest AQI recorded in
January171AQI
Lowest AQI recorded in
July67AQI
2024118AQI
Highest AQI recorded in
January218AQI
Lowest AQI recorded in
July59AQI
2023121AQI
Highest AQI recorded in
November179AQI
Lowest AQI recorded in
July58AQI
2022114AQI
Highest AQI recorded in
December188AQI
Lowest AQI recorded in
July49AQI
2021122AQI
Highest AQI recorded in
January230AQI
Lowest AQI recorded in
September59AQI
202094AQI
Highest AQI recorded in
December201AQI
Lowest AQI recorded in
August42AQI
Most & Least Polluted Years Over the Last 6 Years
Ballygunge's annual 2025 AQI (101) shows an average percentage change of -10.5% (improved AQI) compared to previous years: 2020 (94), 2021 (122), 2022 (114), 2023 (121), 2024 (118).