Hajipur Industrial Area, Bihar, India Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Hajipur Industrial Area, Bihar, India
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 88 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Hajipur Industrial Area, Bihar, India
5 AM29th Sep 2025
5 PM
4 AM30th Sep 2025
125AQI
81AQI
133AQI
81AQI
In the last 24 hours,
Hajipur Industrial Area's AQI reached its highest point of 133 at 10 PM during the Night, while the lowest point, 81, was recorded at 6 PM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hajipur Industrial Area, Bihar, India
31°C28/35°C
33°C28/37°C
31°C29/36°C
31°C27/37°C
31°C27/35°C
31°C27/34°C
31°C28/35°C
32°C30/36°C
33°C31/36°C
32°C30/36°C
32°C28/36°C
31°C28/35°C
31°C27/35°C
31°C29/34°C
29°C27/32°C
27°C26/29°C
27°C25/29°C
28°C24/32°C
29°C26/32°C
29°C26/32°C
30°C27/35°C
30°C27/34°C
31°C28/35°C
32°C29/35°C
31°C27/36°C
31°C27/35°C
32°C28/36°C
30°C27/35°C
30°C27/35°C
31°C27/35°C
--°C/°C
90AQI
85AQI
95AQI
86AQI
2025 Days Vs Air Quality
Hajipur Industrial Area, Bihar, India
44%
121
25%
67
30%
82
0.7%
2
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 273 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
Hajipur Industrial Area, Bihar, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
159AQI
173AQI
191AQI
172AQI
176AQI
183AQI
166AQI
159AQI
173AQI
181AQI
178AQI
194AQI
167AQI
181AQI
162AQI
169AQI
175AQI
163AQI
166AQI
169AQI
175AQI
169AQI
178AQI
185AQI
190AQI
188AQI
202AQI
199AQI
217AQI
194AQI
186AQI
174AQI
176AQI
163AQI
160AQI
164AQI
153AQI
159AQI
152AQI
166AQI
171AQI
169AQI
183AQI
164AQI
157AQI
158AQI
169AQI
165AQI
179AQI
170AQI
143AQI
166AQI
160AQI
160AQI
156AQI
162AQI
161AQI
167AQI
171AQI
164AQI
150AQI
141AQI
144AQI
149AQI
142AQI
162AQI
165AQI
167AQI
166AQI
186AQI
164AQI
169AQI
174AQI
144AQI
160AQI
143AQI
160AQI
145AQI
152AQI
141AQI
138AQI
132AQI
156AQI
159AQI
166AQI
154AQI
158AQI
150AQI
142AQI
149AQI
152AQI
155AQI
156AQI
159AQI
157AQI
155AQI
158AQI
126AQI
139AQI
133AQI
101AQI
128AQI
103AQI
92AQI
101AQI
134AQI
131AQI
99AQI
111AQI
140AQI
141AQI
150AQI
148AQI
141AQI
151AQI
153AQI
145AQI
99AQI
98AQI
97AQI
100AQI
88AQI
120AQI
110AQI
109AQI
92AQI
110AQI
107AQI
117AQI
126AQI
127AQI
132AQI
119AQI
140AQI
129AQI
129AQI
107AQI
102AQI
99AQI
100AQI
89AQI
99AQI
93AQI
97AQI
91AQI
80AQI
82AQI
91AQI
90AQI
87AQI
111AQI
129AQI
125AQI
138AQI
122AQI
120AQI
115AQI
130AQI
142AQI
144AQI
145AQI
146AQI
131AQI
126AQI
132AQI
120AQI
113AQI
94AQI
87AQI
79AQI
71AQI
81AQI
81AQI
89AQI
95AQI
95AQI
86AQI
84AQI
82AQI
83AQI
85AQI
78AQI
72AQI
77AQI
77AQI
80AQI
75AQI
74AQI
79AQI
76AQI
69AQI
72AQI
78AQI
84AQI
79AQI
75AQI
75AQI
80AQI
79AQI
83AQI
88AQI
90AQI
98AQI
98AQI
99AQI
82AQI
75AQI
77AQI
70AQI
72AQI
81AQI
79AQI
74AQI
78AQI
68AQI
68AQI
77AQI
76AQI
83AQI
83AQI
80AQI
79AQI
82AQI
81AQI
71AQI
71AQI
66AQI
68AQI
74AQI
69AQI
66AQI
68AQI
72AQI
73AQI
70AQI
67AQI
68AQI
73AQI
78AQI
81AQI
75AQI
78AQI
76AQI
77AQI
74AQI
71AQI
71AQI
77AQI
84AQI
79AQI
89AQI
84AQI
87AQI
86AQI
86AQI
95AQI
86AQI
80AQI
77AQI
77AQI
89AQI
85AQI
88AQI
94AQI
100AQI
100AQI
101AQI
113AQI
131AQI
100AQI
105AQI
88AQI
179AQI
164AQI
155AQI
132AQI
106AQI
109AQI
80AQI
74AQI
89AQI
No. of days
2025120AQI
Highest AQI recorded in
January179AQI
Lowest AQI recorded in
August74AQI
2024143AQI
Highest AQI recorded in
November203AQI
Lowest AQI recorded in
July90AQI
2023139AQI
Highest AQI recorded in
November228AQI
Lowest AQI recorded in
September67AQI
2022146AQI
Highest AQI recorded in
December219AQI
Lowest AQI recorded in
August78AQI
2021144AQI
Highest AQI recorded in
March197AQI
Lowest AQI recorded in
September79AQI
2020129AQI
Highest AQI recorded in
June290AQI
Lowest AQI recorded in
August36AQI
Most & Least Polluted Years Over the Last 6 Years
Hajipur Industrial Area's annual 2025 AQI (120) shows an average percentage change of -13.8% (improved AQI) compared to previous years: 2020 (129), 2021 (144), 2022 (146), 2023 (139), 2024 (143).