Dalanwala, Dehradun, Uttarakhand, 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
Dalanwala, Dehradun, Uttarakhand, India
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 94 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Dalanwala, Dehradun, Uttarakhand, India
6 AM5th Oct 2025
6 PM
5 AM6th Oct 2025
AQI
AQI
146AQI
61AQI
In the last 24 hours,
Dalanwala's AQI reached its highest point of 146 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Dalanwala, Dehradun, Uttarakhand, India
24°C20/30°C
24°C20/28°C
24°C20/29°C
24°C21/27°C
24°C22/28°C
24°C22/28°C
24°C21/28°C
24°C22/27°C
24°C22/27°C
24°C22/28°C
24°C22/27°C
23°C21/27°C
23°C20/27°C
23°C19/27°C
24°C20/29°C
24°C19/29°C
24°C20/30°C
24°C21/29°C
24°C20/30°C
24°C20/31°C
25°C20/31°C
25°C20/32°C
24°C21/30°C
24°C20/30°C
24°C20/30°C
23°C18/30°C
23°C18/29°C
23°C20/29°C
23°C18/28°C
--°C/°C
--°C/°C
82AQI
76AQI
79AQI
79AQI
2025 Days Vs Air Quality
Dalanwala, Dehradun, Uttarakhand, India
0.3%
1
58%
160
41%
113
1%
3
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 0.36%
Health Risk Level:
Extreme
In 2025, 0.36% of 278 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
Dalanwala, Dehradun, Uttarakhand, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
162AQI
157AQI
156AQI
145AQI
141AQI
129AQI
130AQI
140AQI
147AQI
145AQI
126AQI
124AQI
122AQI
122AQI
122AQI
123AQI
134AQI
139AQI
130AQI
130AQI
150AQI
140AQI
116AQI
111AQI
112AQI
118AQI
119AQI
130AQI
144AQI
137AQI
109AQI
107AQI
96AQI
99AQI
106AQI
100AQI
114AQI
116AQI
122AQI
131AQI
130AQI
122AQI
107AQI
95AQI
114AQI
143AQI
108AQI
115AQI
121AQI
120AQI
117AQI
92AQI
106AQI
106AQI
102AQI
99AQI
97AQI
93AQI
83AQI
96AQI
96AQI
90AQI
91AQI
83AQI
88AQI
105AQI
103AQI
110AQI
109AQI
116AQI
105AQI
109AQI
104AQI
87AQI
92AQI
96AQI
96AQI
109AQI
109AQI
102AQI
104AQI
104AQI
116AQI
130AQI
132AQI
125AQI
119AQI
105AQI
101AQI
91AQI
98AQI
104AQI
109AQI
109AQI
101AQI
117AQI
123AQI
139AQI
139AQI
128AQI
104AQI
79AQI
95AQI
96AQI
99AQI
112AQI
89AQI
116AQI
99AQI
103AQI
102AQI
116AQI
120AQI
107AQI
110AQI
102AQI
109AQI
114AQI
117AQI
121AQI
124AQI
108AQI
109AQI
95AQI
91AQI
91AQI
90AQI
92AQI
92AQI
88AQI
97AQI
95AQI
105AQI
101AQI
119AQI
108AQI
111AQI
115AQI
110AQI
104AQI
112AQI
91AQI
89AQI
98AQI
82AQI
89AQI
89AQI
86AQI
92AQI
86AQI
93AQI
101AQI
92AQI
90AQI
83AQI
84AQI
90AQI
106AQI
117AQI
117AQI
126AQI
119AQI
118AQI
118AQI
113AQI
108AQI
86AQI
85AQI
87AQI
85AQI
82AQI
78AQI
77AQI
76AQI
76AQI
75AQI
78AQI
75AQI
77AQI
75AQI
80AQI
74AQI
72AQI
69AQI
73AQI
74AQI
73AQI
72AQI
77AQI
77AQI
71AQI
71AQI
75AQI
78AQI
69AQI
65AQI
61AQI
59AQI
61AQI
66AQI
73AQI
78AQI
73AQI
68AQI
71AQI
70AQI
69AQI
65AQI
64AQI
62AQI
62AQI
62AQI
68AQI
70AQI
70AQI
72AQI
75AQI
78AQI
79AQI
80AQI
72AQI
75AQI
72AQI
71AQI
78AQI
71AQI
70AQI
71AQI
68AQI
61AQI
62AQI
62AQI
62AQI
66AQI
65AQI
60AQI
57AQI
59AQI
64AQI
64AQI
65AQI
64AQI
63AQI
57AQI
59AQI
58AQI
49AQI
60AQI
61AQI
64AQI
65AQI
73AQI
73AQI
73AQI
73AQI
75AQI
77AQI
78AQI
77AQI
81AQI
67AQI
69AQI
77AQI
77AQI
84AQI
77AQI
80AQI
96AQI
115AQI
86AQI
77AQI
78AQI
92AQI
75AQI
88AQI
66AQI
94AQI
133AQI
109AQI
104AQI
109AQI
98AQI
92AQI
69AQI
68AQI
74AQI
81AQI
No. of days
202595AQI
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
August68AQI
202492AQI
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
August57AQI
2023109AQI
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
July64AQI
2022144AQI
Highest AQI recorded in
April183AQI
Lowest AQI recorded in
August86AQI
2021170AQI
Highest AQI recorded in
November206AQI
Lowest AQI recorded in
September91AQI
Most & Least Polluted Years Over the Last 5 Years
Dalanwala's annual 2025 AQI (95) shows an average percentage change of -21.9% (improved AQI) compared to previous years: 2021 (170), 2022 (144), 2023 (109), 2024 (92).