Institute of Human Behaviour and Allied Sciences, New Delhi, Delhi, 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
Institute of Human Behaviour and Allied Sciences, New Delhi, Delhi, India
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 71 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Institute of Human Behaviour and Allied Sciences, New Delhi, Delhi, India
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
92AQI
61AQI
In the last 24 hours,
Institute of Human Behaviour and Allied Sciences's AQI reached its highest point of 92 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Institute of Human Behaviour and Allied Sciences, New Delhi, Delhi, India
35°C31/38°C
36°C33/39°C
34°C31/38°C
31°C28/35°C
35°C31/38°C
34°C27/37°C
29°C28/31°C
32°C28/35°C
34°C30/39°C
35°C32/37°C
33°C30/38°C
32°C28/36°C
33°C27/37°C
31°C29/33°C
32°C28/37°C
32°C27/37°C
34°C30/37°C
31°C29/34°C
30°C27/35°C
32°C29/36°C
34°C28/38°C
36°C31/39°C
35°C31/39°C
35°C32/38°C
33°C28/38°C
30°C28/34°C
30°C27/33°C
28°C26/30°C
30°C27/34°C
--°C/°C
--°C/°C
84AQI
84AQI
85AQI
85AQI
2025 Days Vs Air Quality
Institute of Human Behaviour and Allied Sciences, New Delhi, Delhi, India
17%
37
45%
96
33%
71
4%
8
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 214 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
Institute of Human Behaviour and Allied Sciences, New Delhi, Delhi, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
182AQI
195AQI
240AQI
228AQI
194AQI
197AQI
182AQI
196AQI
305AQI
246AQI
206AQI
184AQI
169AQI
190AQI
247AQI
234AQI
193AQI
196AQI
222AQI
181AQI
178AQI
165AQI
163AQI
153AQI
144AQI
156AQI
158AQI
182AQI
193AQI
185AQI
201AQI
191AQI
180AQI
162AQI
186AQI
165AQI
162AQI
150AQI
150AQI
166AQI
176AQI
175AQI
147AQI
138AQI
137AQI
159AQI
169AQI
154AQI
150AQI
151AQI
139AQI
151AQI
131AQI
136AQI
144AQI
151AQI
165AQI
147AQI
145AQI
143AQI
129AQI
144AQI
131AQI
125AQI
132AQI
144AQI
148AQI
164AQI
177AQI
185AQI
161AQI
171AQI
163AQI
120AQI
128AQI
133AQI
138AQI
147AQI
161AQI
163AQI
172AQI
158AQI
170AQI
175AQI
167AQI
162AQI
151AQI
143AQI
130AQI
134AQI
135AQI
146AQI
143AQI
152AQI
148AQI
157AQI
166AQI
165AQI
168AQI
166AQI
150AQI
133AQI
129AQI
128AQI
129AQI
140AQI
138AQI
154AQI
137AQI
137AQI
143AQI
143AQI
150AQI
153AQI
159AQI
164AQI
165AQI
171AQI
150AQI
156AQI
152AQI
132AQI
149AQI
152AQI
124AQI
127AQI
126AQI
134AQI
130AQI
151AQI
138AQI
127AQI
113AQI
120AQI
174AQI
152AQI
136AQI
144AQI
148AQI
149AQI
150AQI
118AQI
121AQI
123AQI
98AQI
114AQI
122AQI
131AQI
130AQI
129AQI
152AQI
127AQI
113AQI
110AQI
118AQI
127AQI
115AQI
128AQI
136AQI
137AQI
135AQI
144AQI
146AQI
134AQI
138AQI
116AQI
112AQI
112AQI
122AQI
111AQI
104AQI
94AQI
79AQI
99AQI
101AQI
116AQI
104AQI
92AQI
97AQI
97AQI
100AQI
95AQI
89AQI
90AQI
86AQI
92AQI
91AQI
81AQI
86AQI
83AQI
76AQI
87AQI
91AQI
91AQI
81AQI
75AQI
78AQI
72AQI
72AQI
67AQI
69AQI
93AQI
106AQI
89AQI
86AQI
102AQI
90AQI
91AQI
105AQI
89AQI
84AQI
77AQI
71AQI
196AQI
156AQI
151AQI
149AQI
134AQI
115AQI
86AQI
71AQI
No. of days
2025141AQI
Highest AQI recorded in
January196AQI
Lowest AQI recorded in
August71AQI
2024157AQI
Highest AQI recorded in
November286AQI
Lowest AQI recorded in
July71AQI
2023246AQI
Highest AQI recorded in
November250AQI
Lowest AQI recorded in
May152AQI
2022192AQI
Highest AQI recorded in
October192AQI
Lowest AQI recorded in
October192AQI
20200AQI
Highest AQI recorded in
September0AQI
Lowest AQI recorded in
August0AQI
Most & Least Polluted Years Over the Last 5 Years
Institute of Human Behaviour and Allied Sciences's annual 2025 AQI (141) shows an average percentage change of 78172.1% (worsened AQI) compared to previous years: 2020 (0), 2022 (192), 2023 (246), 2024 (157).