Hari Nagar, 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!
October Air Quality Analysis
Hari Nagar, New Delhi, Delhi, India
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 181 of Unhealthy air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Hari Nagar, New Delhi, Delhi, India
6 AM15th Oct 2025
6 PM
5 AM16th Oct 2025
216AQI
142AQI
210AQI
161AQI
In the last 24 hours,
Hari Nagar's AQI reached its highest point of 216 at 9 AM during the Day, while the lowest point, 142, was recorded at 4 PM during the Day between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hari Nagar, New Delhi, Delhi, India
33°C30/37°C
32°C30/36°C
32°C28/36°C
32°C28/36°C
32°C29/37°C
32°C28/36°C
32°C28/37°C
32°C27/37°C
32°C28/37°C
32°C27/36°C
32°C27/37°C
32°C28/37°C
33°C29/36°C
33°C29/37°C
31°C28/32°C
30°C26/35°C
31°C27/35°C
30°C27/34°C
31°C28/35°C
32°C28/37°C
26°C22/33°C
26°C22/31°C
26°C23/30°C
26°C23/30°C
26°C23/30°C
27°C23/30°C
27°C24/31°C
27°C23/32°C
28°C24/32°C
28°C24/32°C
--°C/°C
139AQI
117AQI
133AQI
125AQI
2025 Days Vs Air Quality
Hari Nagar, New Delhi, Delhi, India
27%
77
37%
106
26%
76
9%
25
1%
4
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 289 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
Hari Nagar, New Delhi, Delhi, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
208AQI
229AQI
249AQI
253AQI
225AQI
223AQI
217AQI
226AQI
356AQI
312AQI
229AQI
215AQI
193AQI
239AQI
323AQI
242AQI
203AQI
218AQI
259AQI
206AQI
201AQI
197AQI
183AQI
174AQI
162AQI
187AQI
179AQI
209AQI
317AQI
223AQI
250AQI
273AQI
224AQI
211AQI
212AQI
179AQI
168AQI
154AQI
159AQI
172AQI
204AQI
194AQI
156AQI
149AQI
151AQI
162AQI
192AQI
171AQI
163AQI
160AQI
151AQI
166AQI
150AQI
152AQI
158AQI
166AQI
189AQI
145AQI
156AQI
150AQI
126AQI
150AQI
135AQI
121AQI
126AQI
147AQI
143AQI
164AQI
168AQI
181AQI
166AQI
171AQI
159AQI
102AQI
123AQI
125AQI
131AQI
142AQI
139AQI
142AQI
149AQI
152AQI
159AQI
179AQI
156AQI
159AQI
142AQI
129AQI
124AQI
131AQI
138AQI
143AQI
140AQI
146AQI
144AQI
154AQI
168AQI
169AQI
173AQI
168AQI
145AQI
127AQI
139AQI
138AQI
137AQI
152AQI
146AQI
162AQI
143AQI
144AQI
157AQI
153AQI
155AQI
155AQI
164AQI
162AQI
168AQI
180AQI
150AQI
157AQI
155AQI
118AQI
155AQI
153AQI
123AQI
134AQI
134AQI
139AQI
127AQI
157AQI
142AQI
138AQI
112AQI
129AQI
184AQI
158AQI
134AQI
150AQI
155AQI
157AQI
155AQI
101AQI
126AQI
135AQI
98AQI
126AQI
126AQI
138AQI
142AQI
145AQI
161AQI
158AQI
126AQI
116AQI
132AQI
129AQI
120AQI
135AQI
139AQI
148AQI
142AQI
151AQI
153AQI
150AQI
151AQI
133AQI
114AQI
123AQI
118AQI
115AQI
107AQI
103AQI
96AQI
106AQI
104AQI
124AQI
111AQI
97AQI
99AQI
106AQI
95AQI
99AQI
90AQI
93AQI
93AQI
96AQI
94AQI
81AQI
90AQI
79AQI
71AQI
82AQI
91AQI
90AQI
80AQI
74AQI
76AQI
75AQI
75AQI
70AQI
72AQI
86AQI
94AQI
88AQI
87AQI
97AQI
88AQI
85AQI
97AQI
87AQI
82AQI
76AQI
70AQI
75AQI
77AQI
81AQI
81AQI
84AQI
85AQI
87AQI
77AQI
89AQI
91AQI
85AQI
98AQI
85AQI
103AQI
118AQI
108AQI
97AQI
94AQI
89AQI
85AQI
109AQI
97AQI
85AQI
83AQI
68AQI
86AQI
116AQI
113AQI
100AQI
98AQI
75AQI
64AQI
65AQI
73AQI
76AQI
84AQI
83AQI
83AQI
82AQI
83AQI
82AQI
89AQI
87AQI
102AQI
98AQI
104AQI
116AQI
125AQI
134AQI
119AQI
117AQI
117AQI
102AQI
105AQI
97AQI
101AQI
134AQI
101AQI
105AQI
110AQI
105AQI
117AQI
116AQI
164AQI
158AQI
138AQI
74AQI
129AQI
137AQI
155AQI
163AQI
154AQI
163AQI
175AQI
181AQI
229AQI
175AQI
145AQI
153AQI
139AQI
123AQI
85AQI
91AQI
97AQI
142AQI
No. of days
2025137AQI
Highest AQI recorded in
January229AQI
Lowest AQI recorded in
July85AQI
2024177AQI
Highest AQI recorded in
November292AQI
Lowest AQI recorded in
August88AQI
2023171AQI
Highest AQI recorded in
November311AQI
Lowest AQI recorded in
August98AQI
2022183AQI
Highest AQI recorded in
December240AQI
Lowest AQI recorded in
July100AQI
2021215AQI
Highest AQI recorded in
November305AQI
Lowest AQI recorded in
September101AQI
202075AQI
Highest AQI recorded in
October150AQI
Lowest AQI recorded in
July65AQI
Most & Least Polluted Years Over the Last 6 Years
Hari Nagar's annual 2025 AQI (137) shows an average percentage change of -4.2% (improved AQI) compared to previous years: 2020 (75), 2021 (215), 2022 (183), 2023 (171), 2024 (177).