Purnea, Bihar, 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
Purnea, Bihar, India
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 74 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Purnea, Bihar, India
5 AM1st Aug 2025
6 PM
4 AM2nd Aug 2025
80AQI
61AQI
81AQI
67AQI
In the last 24 hours,
Purnea's AQI reached its highest point of 81 at 11 PM during the Night, while the lowest point, 61, was recorded at 9 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Purnea, Bihar, India
31°C27/35°C
31°C27/35°C
30°C26/34°C
30°C27/34°C
31°C27/35°C
30°C26/34°C
29°C26/33°C
28°C25/31°C
30°C26/35°C
33°C28/38°C
34°C29/39°C
30°C27/35°C
27°C26/28°C
27°C25/29°C
30°C26/34°C
32°C28/37°C
32°C29/36°C
28°C27/30°C
31°C26/36°C
32°C28/36°C
34°C29/38°C
34°C30/38°C
32°C28/36°C
30°C27/34°C
31°C27/35°C
28°C26/30°C
29°C26/32°C
29°C26/34°C
30°C26/34°C
30°C26/34°C
--°C/°C
75AQI
75AQI
72AQI
72AQI
2025 Days Vs Air Quality
Purnea, Bihar, India
52%
111
38%
80
10%
22
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
Purnea, Bihar, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
154AQI
133AQI
163AQI
155AQI
158AQI
158AQI
159AQI
133AQI
148AQI
168AQI
164AQI
165AQI
137AQI
154AQI
132AQI
134AQI
153AQI
127AQI
135AQI
137AQI
145AQI
157AQI
150AQI
161AQI
180AQI
175AQI
174AQI
177AQI
184AQI
174AQI
163AQI
162AQI
155AQI
142AQI
139AQI
144AQI
121AQI
116AQI
128AQI
142AQI
147AQI
131AQI
126AQI
104AQI
134AQI
149AQI
137AQI
112AQI
130AQI
128AQI
128AQI
123AQI
119AQI
117AQI
117AQI
115AQI
129AQI
113AQI
128AQI
123AQI
88AQI
90AQI
91AQI
96AQI
93AQI
112AQI
117AQI
124AQI
127AQI
126AQI
128AQI
106AQI
109AQI
112AQI
121AQI
92AQI
101AQI
95AQI
98AQI
99AQI
104AQI
84AQI
113AQI
119AQI
134AQI
139AQI
143AQI
110AQI
108AQI
118AQI
117AQI
127AQI
125AQI
117AQI
123AQI
118AQI
108AQI
95AQI
92AQI
79AQI
78AQI
89AQI
78AQI
73AQI
77AQI
95AQI
97AQI
88AQI
95AQI
119AQI
116AQI
122AQI
113AQI
114AQI
121AQI
114AQI
88AQI
75AQI
68AQI
69AQI
82AQI
73AQI
86AQI
86AQI
84AQI
77AQI
92AQI
94AQI
93AQI
95AQI
94AQI
85AQI
85AQI
85AQI
76AQI
77AQI
72AQI
69AQI
60AQI
62AQI
58AQI
65AQI
72AQI
75AQI
69AQI
64AQI
74AQI
72AQI
82AQI
76AQI
80AQI
102AQI
92AQI
89AQI
83AQI
75AQI
79AQI
86AQI
108AQI
112AQI
119AQI
119AQI
100AQI
101AQI
102AQI
102AQI
96AQI
81AQI
76AQI
72AQI
67AQI
75AQI
79AQI
79AQI
80AQI
80AQI
79AQI
80AQI
77AQI
78AQI
77AQI
74AQI
72AQI
70AQI
77AQI
73AQI
70AQI
67AQI
69AQI
68AQI
63AQI
66AQI
71AQI
75AQI
70AQI
67AQI
62AQI
67AQI
71AQI
74AQI
76AQI
79AQI
78AQI
83AQI
87AQI
87AQI
80AQI
76AQI
72AQI
72AQI
71AQI
73AQI
74AQI
155AQI
130AQI
110AQI
100AQI
78AQI
88AQI
73AQI
74AQI
No. of days
2025104AQI
Highest AQI recorded in
January155AQI
Lowest AQI recorded in
July73AQI
2024117AQI
Highest AQI recorded in
January174AQI
Lowest AQI recorded in
July67AQI
2023149AQI
Highest AQI recorded in
January264AQI
Lowest AQI recorded in
July65AQI
2022138AQI
Highest AQI recorded in
December285AQI
Lowest AQI recorded in
August54AQI
202197AQI
Highest AQI recorded in
December155AQI
Lowest AQI recorded in
February34AQI
2020162AQI
Highest AQI recorded in
November182AQI
Lowest AQI recorded in
October138AQI
Most & Least Polluted Years Over the Last 6 Years
Purnea's annual 2025 AQI (104) shows an average percentage change of -18.5% (improved AQI) compared to previous years: 2020 (162), 2021 (97), 2022 (138), 2023 (149), 2024 (117).