Purnea, 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
Purnea, Bihar, India
AQI Trends: Highest and Lowest
Same Day Analysis (25th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 108 of Poor air quality on the same day.
Day & Night AQI Trend: 24th Sep - 25th Sep 2026
Purnea, Bihar, India
5 AM24th Sep 2026
5 PM
4 AM25th Sep 2026
85AQI
71AQI
131AQI
60AQI
In the last 24 hours,
Purnea's AQI reached its highest point of 131 at 3 AM during the Night, while the lowest point, 60, was recorded at 10 PM during the Night between 24th Sep and 25th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Purnea, Bihar, India
32°C28/35°C
32°C30/35°C
31°C28/34°C
31°C29/35°C
29°C27/32°C
28°C25/31°C
26°C25/27°C
27°C26/30°C
28°C25/32°C
29°C27/33°C
30°C27/34°C
30°C28/33°C
31°C27/34°C
31°C28/35°C
30°C27/33°C
29°C26/32°C
29°C27/34°C
30°C27/34°C
31°C27/34°C
31°C29/34°C
31°C29/35°C
31°C29/35°C
30°C27/35°C
30°C27/34°C
30°C27/35°C
31°C27/35°C
31°C28/36°C
29°C24/34°C
23°C22/24°C
24°C22/25°C
114AQI
109AQI
118AQI
105AQI
2026 Days Vs Air Quality
Purnea, Bihar, India
29%
79
47%
127
10%
27
13%
35
Total number of days with different AQI categories in last 268 days in 2026 (97 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 268 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
Purnea, Bihar, India
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
226AQI (US)
240AQI (US)
221AQI (US)
169AQI (US)
185AQI (US)
219AQI (US)
198AQI (US)
129AQI (US)
144AQI (US)
130AQI (US)
140AQI (US)
144AQI (US)
142AQI (US)
143AQI (US)
144AQI (US)
146AQI (US)
150AQI (US)
153AQI (US)
139AQI (US)
146AQI (US)
143AQI (US)
146AQI (US)
140AQI (US)
138AQI (US)
155AQI (US)
148AQI (US)
199AQI (US)
264AQI (US)
252AQI (US)
196AQI (US)
194AQI (US)
250AQI (US)
216AQI (US)
296AQI (US)
222AQI (US)
199AQI (US)
224AQI (US)
245AQI (US)
274AQI (US)
248AQI (US)
247AQI (US)
206AQI (US)
263AQI (US)
219AQI (US)
196AQI (US)
216AQI (US)
239AQI (US)
242AQI (US)
262AQI (US)
239AQI (US)
231AQI (US)
200AQI (US)
167AQI (US)
186AQI (US)
190AQI (US)
216AQI (US)
201AQI (US)
187AQI (US)
183AQI (US)
208AQI (US)
209AQI (US)
231AQI (US)
219AQI (US)
230AQI (US)
227AQI (US)
255AQI (US)
264AQI (US)
210AQI (US)
197AQI (US)
197AQI (US)
173AQI (US)
159AQI (US)
173AQI (US)
161AQI (US)
170AQI (US)
175AQI (US)
187AQI (US)
160AQI (US)
157AQI (US)
101AQI (US)
103AQI (US)
113AQI (US)
122AQI (US)
142AQI (US)
128AQI (US)
123AQI (US)
104AQI (US)
103AQI (US)
145AQI (US)
136AQI (US)
113AQI (US)
119AQI (US)
130AQI (US)
121AQI (US)
111AQI (US)
117AQI (US)
107AQI (US)
95AQI (US)
97AQI (US)
109AQI (US)
109AQI (US)
122AQI (US)
117AQI (US)
135AQI (US)
120AQI (US)
117AQI (US)
100AQI (US)
116AQI (US)
77AQI (US)
117AQI (US)
101AQI (US)
107AQI (US)
108AQI (US)
108AQI (US)
103AQI (US)
79AQI (US)
74AQI (US)
87AQI (US)
85AQI (US)
85AQI (US)
82AQI (US)
80AQI (US)
98AQI (US)
91AQI (US)
61AQI (US)
102AQI (US)
83AQI (US)
88AQI (US)
96AQI (US)
84AQI (US)
79AQI (US)
85AQI (US)
80AQI (US)
113AQI (US)
107AQI (US)
138AQI (US)
133AQI (US)
147AQI (US)
133AQI (US)
145AQI (US)
113AQI (US)
133AQI (US)
148AQI (US)
137AQI (US)
123AQI (US)
90AQI (US)
93AQI (US)
91AQI (US)
65AQI (US)
72AQI (US)
133AQI (US)
123AQI (US)
66AQI (US)
87AQI (US)
96AQI (US)
78AQI (US)
80AQI (US)
110AQI (US)
95AQI (US)
56AQI (US)
71AQI (US)
94AQI (US)
98AQI (US)
102AQI (US)
102AQI (US)
110AQI (US)
105AQI (US)
97AQI (US)
87AQI (US)
96AQI (US)
99AQI (US)
75AQI (US)
76AQI (US)
120AQI (US)
137AQI (US)
141AQI (US)
146AQI (US)
142AQI (US)
147AQI (US)
125AQI (US)
132AQI (US)
128AQI (US)
106AQI (US)
98AQI (US)
86AQI (US)
59AQI (US)
60AQI (US)
104AQI (US)
124AQI (US)
112AQI (US)
134AQI (US)
113AQI (US)
121AQI (US)
106AQI (US)
107AQI (US)
118AQI (US)
92AQI (US)
103AQI (US)
113AQI (US)
106AQI (US)
96AQI (US)
96AQI (US)
81AQI (US)
87AQI (US)
94AQI (US)
90AQI (US)
98AQI (US)
97AQI (US)
84AQI (US)
88AQI (US)
81AQI (US)
89AQI (US)
96AQI (US)
112AQI (US)
121AQI (US)
101AQI (US)
104AQI (US)
109AQI (US)
102AQI (US)
82AQI (US)
91AQI (US)
109AQI (US)
133AQI (US)
139AQI (US)
108AQI (US)
97AQI (US)
99AQI (US)
95AQI (US)
87AQI (US)
88AQI (US)
97AQI (US)
100AQI (US)
120AQI (US)
126AQI (US)
118AQI (US)
100AQI (US)
90AQI (US)
108AQI (US)
106AQI (US)
101AQI (US)
94AQI (US)
94AQI (US)
80AQI (US)
79AQI (US)
85AQI (US)
90AQI (US)
107AQI (US)
112AQI (US)
126AQI (US)
133AQI (US)
118AQI (US)
122AQI (US)
110AQI (US)
123AQI (US)
107AQI (US)
122AQI (US)
111AQI (US)
121AQI (US)
122AQI (US)
120AQI (US)
133AQI (US)
134AQI (US)
143AQI (US)
115AQI (US)
131AQI (US)
98AQI (US)
80AQI (US)
108AQI (US)
170AQI (US)
224AQI (US)
170AQI (US)
106AQI (US)
104AQI (US)
103AQI (US)
99AQI (US)
103AQI (US)
114AQI (US)
No. of days
2026132AQI (US)
Highest AQI (US) recorded in
February224AQI (US)
Lowest AQI (US) recorded in
July99AQI (US)
2025107AQI (US)
Highest AQI (US) recorded in
January155AQI (US)
Lowest AQI (US) recorded in
August72AQI (US)
2024117AQI (US)
Highest AQI (US) recorded in
January174AQI (US)
Lowest AQI (US) recorded in
July67AQI (US)
2023149AQI (US)
Highest AQI (US) recorded in
January264AQI (US)
Lowest AQI (US) recorded in
July65AQI (US)
2022138AQI (US)
Highest AQI (US) recorded in
December285AQI (US)
Lowest AQI (US) recorded in
August54AQI (US)
202197AQI (US)
Highest AQI (US) recorded in
December155AQI (US)
Lowest AQI (US) recorded in
February34AQI (US)
2020162AQI (US)
Highest AQI (US) recorded in
November182AQI (US)
Lowest AQI (US) recorded in
October138AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Purnea's annual 2026 AQI (US) (132) shows an average percentage change of 6.3% (worsened AQI (US)) compared to previous years: 2020 (162), 2021 (97), 2022 (138), 2023 (149), 2024 (117), 2025 (107).