Samastipur, 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
Samastipur, Bihar, India
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 72 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Samastipur, Bihar, India
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
90AQI
67AQI
78AQI
71AQI
In the last 24 hours,
Samastipur's AQI reached its highest point of 90 at 12 PM during the Day, while the lowest point, 67, was recorded at 5 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Samastipur, Bihar, India
33°C28/38°C
32°C29/36°C
32°C28/36°C
33°C28/37°C
32°C28/38°C
31°C26/35°C
29°C26/32°C
31°C26/36°C
34°C28/39°C
35°C30/40°C
32°C29/36°C
29°C27/32°C
28°C26/31°C
31°C26/36°C
34°C29/39°C
35°C33/39°C
30°C28/31°C
33°C28/37°C
35°C31/38°C
37°C32/41°C
36°C33/40°C
34°C31/38°C
31°C28/35°C
32°C28/36°C
29°C27/29°C
29°C27/33°C
31°C27/34°C
32°C27/36°C
32°C28/35°C
31°C29/34°C
--°C/°C
81AQI
81AQI
76AQI
76AQI
2025 Days Vs Air Quality
Samastipur, Bihar, India
51%
109
39%
84
10%
21
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 215 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
Samastipur, Bihar, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
152AQI
120AQI
160AQI
152AQI
134AQI
161AQI
135AQI
111AQI
145AQI
163AQI
165AQI
160AQI
136AQI
157AQI
136AQI
131AQI
157AQI
123AQI
126AQI
146AQI
145AQI
153AQI
154AQI
167AQI
199AQI
176AQI
181AQI
177AQI
190AQI
173AQI
159AQI
163AQI
128AQI
120AQI
133AQI
127AQI
102AQI
100AQI
113AQI
128AQI
136AQI
125AQI
109AQI
99AQI
128AQI
151AQI
143AQI
120AQI
126AQI
120AQI
121AQI
112AQI
103AQI
123AQI
112AQI
99AQI
114AQI
95AQI
104AQI
114AQI
86AQI
98AQI
89AQI
95AQI
94AQI
102AQI
120AQI
120AQI
137AQI
125AQI
119AQI
116AQI
137AQI
112AQI
132AQI
99AQI
111AQI
102AQI
102AQI
95AQI
108AQI
100AQI
142AQI
134AQI
147AQI
150AQI
150AQI
103AQI
108AQI
112AQI
114AQI
125AQI
121AQI
121AQI
117AQI
127AQI
135AQI
111AQI
107AQI
82AQI
83AQI
100AQI
98AQI
84AQI
83AQI
103AQI
98AQI
87AQI
96AQI
110AQI
133AQI
132AQI
132AQI
122AQI
138AQI
131AQI
120AQI
85AQI
73AQI
75AQI
86AQI
82AQI
103AQI
92AQI
96AQI
80AQI
89AQI
88AQI
98AQI
90AQI
99AQI
89AQI
96AQI
95AQI
91AQI
85AQI
81AQI
75AQI
71AQI
84AQI
76AQI
85AQI
83AQI
85AQI
96AQI
78AQI
75AQI
82AQI
76AQI
74AQI
94AQI
94AQI
99AQI
104AQI
92AQI
101AQI
96AQI
94AQI
98AQI
111AQI
111AQI
106AQI
96AQI
91AQI
108AQI
114AQI
105AQI
95AQI
83AQI
77AQI
71AQI
74AQI
80AQI
85AQI
91AQI
97AQI
89AQI
85AQI
80AQI
82AQI
81AQI
78AQI
77AQI
77AQI
80AQI
78AQI
74AQI
76AQI
77AQI
74AQI
67AQI
73AQI
80AQI
81AQI
77AQI
71AQI
63AQI
69AQI
77AQI
79AQI
81AQI
80AQI
88AQI
93AQI
92AQI
94AQI
80AQI
79AQI
76AQI
75AQI
75AQI
77AQI
75AQI
72AQI
153AQI
120AQI
115AQI
108AQI
86AQI
93AQI
78AQI
74AQI
No. of days
2025107AQI
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
August74AQI
2024121AQI
Highest AQI recorded in
November177AQI
Lowest AQI recorded in
September47AQI
2023155AQI
Highest AQI recorded in
January254AQI
Lowest AQI recorded in
July87AQI
2022247AQI
Highest AQI recorded in
December284AQI
Lowest AQI recorded in
October185AQI
Most & Least Polluted Years Over the Last 4 Years
Samastipur's annual 2025 AQI (107) shows an average percentage change of -32.9% (improved AQI) compared to previous years: 2022 (247), 2023 (155), 2024 (121).