Kolkata US Consulate, 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!
July Air Quality Analysis
Kolkata US Consulate, Kolkata, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 68 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Kolkata US Consulate, Kolkata, West Bengal, India
51%
109
24%
51
24%
51
0.4%
1
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 213 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 US Consulate, Kolkata, West Bengal, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
184AQI
185AQI
192AQI
192AQI
192AQI
180AQI
180AQI
165AQI
171AQI
185AQI
190AQI
187AQI
198AQI
194AQI
179AQI
172AQI
171AQI
173AQI
172AQI
176AQI
181AQI
205AQI
187AQI
184AQI
192AQI
166AQI
172AQI
181AQI
173AQI
163AQI
160AQI
158AQI
173AQI
166AQI
162AQI
163AQI
152AQI
154AQI
152AQI
156AQI
171AQI
161AQI
158AQI
152AQI
149AQI
154AQI
154AQI
139AQI
138AQI
147AQI
126AQI
149AQI
131AQI
139AQI
145AQI
155AQI
151AQI
166AQI
159AQI
143AQI
146AQI
141AQI
136AQI
145AQI
131AQI
153AQI
140AQI
135AQI
138AQI
121AQI
131AQI
121AQI
114AQI
104AQI
97AQI
104AQI
108AQI
136AQI
107AQI
121AQI
92AQI
133AQI
134AQI
153AQI
126AQI
130AQI
139AQI
145AQI
141AQI
124AQI
113AQI
99AQI
103AQI
118AQI
119AQI
106AQI
87AQI
76AQI
70AQI
69AQI
73AQI
76AQI
91AQI
92AQI
95AQI
102AQI
83AQI
75AQI
87AQI
86AQI
91AQI
97AQI
102AQI
90AQI
84AQI
73AQI
89AQI
103AQI
77AQI
83AQI
83AQI
80AQI
79AQI
78AQI
79AQI
82AQI
89AQI
91AQI
95AQI
107AQI
108AQI
100AQI
94AQI
88AQI
85AQI
79AQI
76AQI
68AQI
62AQI
62AQI
63AQI
72AQI
64AQI
67AQI
62AQI
59AQI
62AQI
60AQI
60AQI
62AQI
82AQI
87AQI
108AQI
99AQI
88AQI
87AQI
95AQI
105AQI
107AQI
105AQI
104AQI
94AQI
77AQI
79AQI
82AQI
74AQI
69AQI
65AQI
69AQI
69AQI
73AQI
75AQI
80AQI
77AQI
72AQI
70AQI
63AQI
64AQI
70AQI
70AQI
75AQI
72AQI
64AQI
70AQI
71AQI
73AQI
69AQI
64AQI
61AQI
64AQI
63AQI
65AQI
70AQI
72AQI
70AQI
69AQI
70AQI
69AQI
70AQI
75AQI
73AQI
72AQI
67AQI
70AQI
70AQI
65AQI
62AQI
61AQI
66AQI
70AQI
61AQI
68AQI
181AQI
153AQI
129AQI
90AQI
77AQI
82AQI
68AQI
No. of days
2025111AQI
Highest AQI recorded in
January181AQI
Lowest AQI recorded in
July68AQI
2024125AQI
Highest AQI recorded in
January234AQI
Lowest AQI recorded in
July60AQI
2023141AQI
Highest AQI recorded in
January239AQI
Lowest AQI recorded in
July49AQI
2022139AQI
Highest AQI recorded in
December244AQI
Lowest AQI recorded in
July55AQI
2021133AQI
Highest AQI recorded in
January227AQI
Lowest AQI recorded in
September55AQI
202096AQI
Highest AQI recorded in
December248AQI
Lowest AQI recorded in
August40AQI
Most & Least Polluted Years Over the Last 6 Years
Kolkata US Consulate's annual 2025 AQI (111) shows an average percentage change of -10.4% (improved AQI) compared to previous years: 2020 (96), 2021 (133), 2022 (139), 2023 (141), 2024 (125).
