Ward 42, Darjeeling, 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
Ward 42, Darjeeling, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Ward 42, Darjeeling, West Bengal, India
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
AQI
AQI
66AQI
44AQI
In the last 24 hours,
Ward 42's AQI reached its highest point of 66 at 10 PM during the Night, while the lowest point, 44, was recorded at 6 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ward 42, Darjeeling, West Bengal, India
18°C15/23°C
18°C15/23°C
18°C16/22°C
17°C15/20°C
18°C15/23°C
19°C15/23°C
20°C17/25°C
22°C17/27°C
19°C16/23°C
17°C16/19°C
17°C15/22°C
19°C15/23°C
19°C18/22°C
19°C16/23°C
18°C17/20°C
20°C16/24°C
19°C17/22°C
20°C17/24°C
22°C17/27°C
21°C17/25°C
18°C17/22°C
19°C16/22°C
18°C17/19°C
18°C16/20°C
18°C16/21°C
18°C15/21°C
19°C16/22°C
18°C17/21°C
17°C16/17°C
--°C/°C
--°C/°C
56AQI
54AQI
56AQI
56AQI
2025 Days Vs Air Quality
Ward 42, Darjeeling, West Bengal, India
6%
13
79%
170
15%
33
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 216 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
Ward 42, Darjeeling, West Bengal, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
92AQI
99AQI
102AQI
94AQI
86AQI
86AQI
91AQI
90AQI
119AQI
94AQI
105AQI
109AQI
95AQI
102AQI
94AQI
110AQI
108AQI
94AQI
86AQI
89AQI
106AQI
106AQI
91AQI
79AQI
78AQI
82AQI
110AQI
127AQI
92AQI
91AQI
96AQI
87AQI
93AQI
94AQI
99AQI
110AQI
125AQI
111AQI
99AQI
119AQI
128AQI
123AQI
122AQI
105AQI
73AQI
70AQI
79AQI
72AQI
83AQI
89AQI
78AQI
75AQI
86AQI
79AQI
77AQI
76AQI
71AQI
66AQI
75AQI
80AQI
77AQI
75AQI
72AQI
70AQI
74AQI
80AQI
75AQI
73AQI
77AQI
77AQI
84AQI
89AQI
97AQI
86AQI
104AQI
92AQI
97AQI
99AQI
116AQI
105AQI
91AQI
84AQI
80AQI
87AQI
87AQI
92AQI
107AQI
112AQI
119AQI
118AQI
123AQI
115AQI
123AQI
120AQI
121AQI
120AQI
102AQI
96AQI
96AQI
86AQI
77AQI
71AQI
74AQI
73AQI
67AQI
63AQI
69AQI
62AQI
76AQI
78AQI
69AQI
74AQI
77AQI
78AQI
81AQI
84AQI
82AQI
74AQI
67AQI
63AQI
61AQI
64AQI
65AQI
65AQI
65AQI
70AQI
67AQI
72AQI
76AQI
78AQI
75AQI
73AQI
68AQI
65AQI
69AQI
68AQI
72AQI
63AQI
58AQI
63AQI
60AQI
60AQI
64AQI
65AQI
56AQI
48AQI
48AQI
53AQI
50AQI
49AQI
60AQI
73AQI
79AQI
78AQI
78AQI
75AQI
72AQI
78AQI
82AQI
89AQI
98AQI
93AQI
83AQI
81AQI
81AQI
76AQI
71AQI
68AQI
68AQI
67AQI
68AQI
74AQI
82AQI
76AQI
69AQI
68AQI
69AQI
66AQI
71AQI
71AQI
72AQI
70AQI
71AQI
70AQI
71AQI
71AQI
61AQI
49AQI
44AQI
41AQI
45AQI
47AQI
49AQI
53AQI
56AQI
57AQI
54AQI
56AQI
57AQI
58AQI
62AQI
64AQI
60AQI
60AQI
60AQI
60AQI
52AQI
48AQI
48AQI
50AQI
51AQI
57AQI
62AQI
64AQI
63AQI
60AQI
97AQI
92AQI
90AQI
85AQI
64AQI
76AQI
57AQI
62AQI
No. of days
202579AQI
Highest AQI recorded in
January97AQI
Lowest AQI recorded in
July57AQI
202450AQI
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
August32AQI
202355AQI
Highest AQI recorded in
January101AQI
Lowest AQI recorded in
July27AQI
202298AQI
Highest AQI recorded in
March166AQI
Lowest AQI recorded in
August44AQI
2021106AQI
Highest AQI recorded in
March146AQI
Lowest AQI recorded in
July64AQI
2020153AQI
Highest AQI recorded in
November156AQI
Lowest AQI recorded in
October138AQI
Most & Least Polluted Years Over the Last 6 Years
Ward 42's annual 2025 AQI (79) shows an average percentage change of 2.009% (worsened AQI) compared to previous years: 2020 (153), 2021 (106), 2022 (98), 2023 (55), 2024 (50).