Fort William, 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!
August Air Quality Analysis
Fort William, Kolkata, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 97 of Moderate air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
Fort William, Kolkata, West Bengal, India
5 AM13th Aug 2026
6 PM
4 AM14th Aug 2026
115AQI
71AQI
90AQI
74AQI
In the last 24 hours,
Fort William's AQI reached its highest point of 115 at 3 PM during the Day, while the lowest point, 71, was recorded at 6 AM during the Day between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Fort William, Kolkata, West Bengal, India
30°C27/34°C
30°C27/33°C
30°C28/34°C
30°C28/33°C
28°C27/28°C
28°C26/31°C
27°C25/29°C
27°C26/29°C
28°C27/32°C
29°C27/34°C
28°C26/32°C
28°C26/31°C
28°C26/31°C
29°C26/33°C
29°C27/31°C
29°C27/32°C
30°C27/33°C
31°C27/34°C
31°C28/35°C
31°C28/35°C
30°C27/34°C
27°C26/28°C
28°C26/32°C
30°C27/33°C
30°C27/33°C
30°C27/34°C
30°C28/33°C
30°C27/35°C
30°C28/33°C
30°C27/33°C
94AQI
82AQI
99AQI
81AQI
2026 Days Vs Air Quality
Fort William, Kolkata, West Bengal, India
0.8%
2
32%
73
36%
81
21%
47
10%
23
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 0.88%
Health Risk Level:
Extreme
In 2026, 0.88% of 226 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
Fort William, Kolkata, West Bengal, India
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
269AQI (US)
237AQI (US)
256AQI (US)
265AQI (US)
202AQI (US)
237AQI (US)
287AQI (US)
231AQI (US)
216AQI (US)
197AQI (US)
195AQI (US)
202AQI (US)
199AQI (US)
223AQI (US)
215AQI (US)
206AQI (US)
231AQI (US)
237AQI (US)
235AQI (US)
267AQI (US)
252AQI (US)
201AQI (US)
219AQI (US)
232AQI (US)
205AQI (US)
190AQI (US)
186AQI (US)
191AQI (US)
211AQI (US)
185AQI (US)
176AQI (US)
180AQI (US)
184AQI (US)
191AQI (US)
194AQI (US)
171AQI (US)
165AQI (US)
170AQI (US)
179AQI (US)
180AQI (US)
178AQI (US)
194AQI (US)
187AQI (US)
187AQI (US)
172AQI (US)
173AQI (US)
176AQI (US)
185AQI (US)
170AQI (US)
183AQI (US)
182AQI (US)
184AQI (US)
188AQI (US)
192AQI (US)
166AQI (US)
172AQI (US)
176AQI (US)
161AQI (US)
152AQI (US)
157AQI (US)
157AQI (US)
166AQI (US)
167AQI (US)
173AQI (US)
163AQI (US)
156AQI (US)
155AQI (US)
153AQI (US)
149AQI (US)
155AQI (US)
154AQI (US)
129AQI (US)
124AQI (US)
100AQI (US)
103AQI (US)
81AQI (US)
82AQI (US)
92AQI (US)
112AQI (US)
113AQI (US)
131AQI (US)
137AQI (US)
138AQI (US)
116AQI (US)
142AQI (US)
130AQI (US)
98AQI (US)
122AQI (US)
122AQI (US)
133AQI (US)
133AQI (US)
105AQI (US)
101AQI (US)
125AQI (US)
119AQI (US)
119AQI (US)
90AQI (US)
91AQI (US)
105AQI (US)
115AQI (US)
134AQI (US)
124AQI (US)
116AQI (US)
101AQI (US)
124AQI (US)
88AQI (US)
82AQI (US)
96AQI (US)
104AQI (US)
102AQI (US)
109AQI (US)
109AQI (US)
122AQI (US)
104AQI (US)
87AQI (US)
89AQI (US)
102AQI (US)
119AQI (US)
79AQI (US)
83AQI (US)
86AQI (US)
82AQI (US)
98AQI (US)
70AQI (US)
81AQI (US)
80AQI (US)
104AQI (US)
109AQI (US)
124AQI (US)
105AQI (US)
93AQI (US)
75AQI (US)
60AQI (US)
76AQI (US)
56AQI (US)
77AQI (US)
65AQI (US)
81AQI (US)
92AQI (US)
114AQI (US)
122AQI (US)
128AQI (US)
120AQI (US)
121AQI (US)
122AQI (US)
122AQI (US)
99AQI (US)
91AQI (US)
90AQI (US)
92AQI (US)
97AQI (US)
102AQI (US)
115AQI (US)
124AQI (US)
122AQI (US)
105AQI (US)
107AQI (US)
97AQI (US)
102AQI (US)
107AQI (US)
109AQI (US)
89AQI (US)
108AQI (US)
98AQI (US)
121AQI (US)
111AQI (US)
104AQI (US)
106AQI (US)
109AQI (US)
88AQI (US)
107AQI (US)
109AQI (US)
115AQI (US)
140AQI (US)
146AQI (US)
110AQI (US)
87AQI (US)
74AQI (US)
88AQI (US)
120AQI (US)
101AQI (US)
99AQI (US)
74AQI (US)
59AQI (US)
48AQI (US)
49AQI (US)
59AQI (US)
85AQI (US)
86AQI (US)
88AQI (US)
98AQI (US)
110AQI (US)
140AQI (US)
123AQI (US)
112AQI (US)
78AQI (US)
66AQI (US)
88AQI (US)
93AQI (US)
99AQI (US)
99AQI (US)
71AQI (US)
69AQI (US)
87AQI (US)
106AQI (US)
97AQI (US)
70AQI (US)
70AQI (US)
72AQI (US)
77AQI (US)
79AQI (US)
79AQI (US)
89AQI (US)
102AQI (US)
129AQI (US)
117AQI (US)
115AQI (US)
112AQI (US)
83AQI (US)
71AQI (US)
67AQI (US)
85AQI (US)
84AQI (US)
118AQI (US)
93AQI (US)
97AQI (US)
221AQI (US)
178AQI (US)
133AQI (US)
106AQI (US)
95AQI (US)
107AQI (US)
85AQI (US)
97AQI (US)
No. of days
2026130AQI (US)
Highest AQI (US) recorded in
January221AQI (US)
Lowest AQI (US) recorded in
July85AQI (US)
2025127AQI (US)
Highest AQI (US) recorded in
December271AQI (US)
Lowest AQI (US) recorded in
August68AQI (US)
2024122AQI (US)
Highest AQI (US) recorded in
January220AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
2023108AQI (US)
Highest AQI (US) recorded in
December181AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
2022106AQI (US)
Highest AQI (US) recorded in
January168AQI (US)
Lowest AQI (US) recorded in
August39AQI (US)
2021123AQI (US)
Highest AQI (US) recorded in
January315AQI (US)
Lowest AQI (US) recorded in
June37AQI (US)
2020109AQI (US)
Highest AQI (US) recorded in
December341AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Fort William's annual 2026 AQI (US) (130) shows an average percentage change of 12.8% (worsened AQI (US)) compared to previous years: 2020 (109), 2021 (123), 2022 (106), 2023 (108), 2024 (122), 2025 (127).