Mariam Nagar, Bhagalpur, Bihar, 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
Mariam Nagar, Bhagalpur, Bihar, India
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 162 of Unhealthy air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Mariam Nagar, Bhagalpur, Bihar, India
5 AM19th Oct 2025
5 PM
4 AM20th Oct 2025
166AQI
107AQI
166AQI
134AQI
In the last 24 hours,
Mariam Nagar's AQI reached its highest point of 166 at 5 AM during the Day, while the lowest point, 107, was recorded at 3 PM during the Day between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Mariam Nagar, Bhagalpur, Bihar, India
30°C27/35°C
31°C28/34°C
32°C28/36°C
31°C28/35°C
30°C27/33°C
31°C26/36°C
32°C28/37°C
30°C27/34°C
30°C26/35°C
31°C27/36°C
32°C28/37°C
31°C29/36°C
27°C25/32°C
26°C25/30°C
27°C25/31°C
25°C22/29°C
26°C23/29°C
28°C24/31°C
29°C26/33°C
29°C28/33°C
28°C24/32°C
26°C22/32°C
26°C23/32°C
26°C21/32°C
26°C21/32°C
25°C21/31°C
25°C21/31°C
26°C21/31°C
26°C22/32°C
27°C23/32°C
--°C/°C
106AQI
74AQI
108AQI
77AQI
2025 Days Vs Air Quality
Mariam Nagar, Bhagalpur, Bihar, India
0.3%
1
59%
171
29%
85
12%
35
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 0.34%
Health Risk Level:
Extreme
In 2025, 0.34% of 293 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
Mariam Nagar, Bhagalpur, Bihar, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
153AQI
141AQI
162AQI
156AQI
158AQI
162AQI
161AQI
137AQI
154AQI
173AQI
164AQI
159AQI
155AQI
160AQI
140AQI
147AQI
157AQI
144AQI
150AQI
151AQI
157AQI
160AQI
161AQI
162AQI
170AQI
173AQI
171AQI
168AQI
166AQI
170AQI
166AQI
165AQI
165AQI
151AQI
142AQI
156AQI
129AQI
120AQI
137AQI
151AQI
147AQI
137AQI
130AQI
113AQI
136AQI
145AQI
138AQI
130AQI
140AQI
142AQI
134AQI
147AQI
144AQI
118AQI
126AQI
124AQI
135AQI
132AQI
140AQI
137AQI
97AQI
93AQI
88AQI
102AQI
109AQI
130AQI
134AQI
146AQI
156AQI
148AQI
150AQI
145AQI
142AQI
136AQI
125AQI
113AQI
103AQI
101AQI
116AQI
113AQI
117AQI
88AQI
111AQI
124AQI
134AQI
139AQI
142AQI
115AQI
106AQI
113AQI
115AQI
122AQI
123AQI
122AQI
130AQI
142AQI
127AQI
111AQI
105AQI
85AQI
80AQI
101AQI
76AQI
79AQI
80AQI
100AQI
84AQI
75AQI
86AQI
109AQI
120AQI
128AQI
117AQI
121AQI
121AQI
120AQI
89AQI
73AQI
74AQI
70AQI
81AQI
75AQI
87AQI
89AQI
91AQI
78AQI
95AQI
94AQI
88AQI
99AQI
92AQI
89AQI
99AQI
103AQI
96AQI
89AQI
81AQI
75AQI
67AQI
65AQI
68AQI
66AQI
73AQI
75AQI
67AQI
63AQI
69AQI
69AQI
72AQI
61AQI
80AQI
92AQI
87AQI
84AQI
72AQI
71AQI
78AQI
82AQI
104AQI
108AQI
118AQI
118AQI
106AQI
99AQI
91AQI
82AQI
80AQI
72AQI
69AQI
65AQI
66AQI
73AQI
73AQI
73AQI
74AQI
72AQI
71AQI
69AQI
69AQI
66AQI
69AQI
64AQI
60AQI
53AQI
58AQI
57AQI
58AQI
56AQI
55AQI
54AQI
54AQI
57AQI
61AQI
64AQI
58AQI
57AQI
58AQI
62AQI
63AQI
66AQI
67AQI
68AQI
72AQI
72AQI
75AQI
69AQI
69AQI
75AQI
69AQI
68AQI
70AQI
73AQI
79AQI
76AQI
75AQI
81AQI
79AQI
79AQI
78AQI
78AQI
78AQI
77AQI
77AQI
77AQI
70AQI
68AQI
67AQI
67AQI
70AQI
66AQI
66AQI
66AQI
68AQI
69AQI
67AQI
69AQI
65AQI
72AQI
72AQI
72AQI
69AQI
70AQI
74AQI
74AQI
69AQI
67AQI
60AQI
74AQI
79AQI
76AQI
82AQI
86AQI
86AQI
85AQI
83AQI
83AQI
77AQI
76AQI
72AQI
75AQI
71AQI
75AQI
74AQI
75AQI
86AQI
81AQI
81AQI
72AQI
78AQI
70AQI
73AQI
94AQI
91AQI
90AQI
52AQI
44AQI
57AQI
73AQI
66AQI
79AQI
101AQI
99AQI
112AQI
111AQI
108AQI
135AQI
140AQI
136AQI
151AQI
162AQI
152AQI
162AQI
158AQI
138AQI
122AQI
103AQI
81AQI
82AQI
63AQI
72AQI
78AQI
107AQI
No. of days
2025100AQI
Highest AQI recorded in
January158AQI
Lowest AQI recorded in
July63AQI
2024116AQI
Highest AQI recorded in
January174AQI
Lowest AQI recorded in
July62AQI
2023155AQI
Highest AQI recorded in
January265AQI
Lowest AQI recorded in
July86AQI
2022170AQI
Highest AQI recorded in
December312AQI
Lowest AQI recorded in
April102AQI
Most & Least Polluted Years Over the Last 4 Years
Mariam Nagar's annual 2025 AQI (100) shows an average percentage change of -30.2% (improved AQI) compared to previous years: 2022 (170), 2023 (155), 2024 (116).