Gandak Colony, Birganj, Narayani, Nepal 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
Gandak Colony, Birganj, Narayani, Nepal
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 74 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Sep - 20th Sep 2025
Gandak Colony, Birganj, Narayani, Nepal
5 AM19th Sep 2025
6 PM
4 AM20th Sep 2025
AQI
AQI
96AQI
57AQI
In the last 24 hours,
Gandak Colony's AQI reached its highest point of 96 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Gandak Colony, Birganj, Narayani, Nepal
30°C26/33°C
30°C27/34°C
30°C26/35°C
29°C26/32°C
29°C26/33°C
30°C27/34°C
31°C27/35°C
30°C27/34°C
30°C27/34°C
30°C26/34°C
31°C28/35°C
32°C28/36°C
31°C28/34°C
31°C26/37°C
31°C28/36°C
31°C27/36°C
31°C27/35°C
32°C29/36°C
32°C30/36°C
30°C26/36°C
30°C27/35°C
29°C27/32°C
30°C26/34°C
30°C28/35°C
27°C26/28°C
26°C25/28°C
27°C25/29°C
26°C24/30°C
27°C25/30°C
--°C/°C
--°C/°C
78AQI
77AQI
81AQI
76AQI
2025 Days Vs Air Quality
Gandak Colony, Birganj, Narayani, Nepal
60%
156
33%
85
8%
20
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 262 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
Gandak Colony, Birganj, Narayani, Nepal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
158AQI
124AQI
154AQI
135AQI
126AQI
156AQI
133AQI
118AQI
136AQI
161AQI
168AQI
149AQI
129AQI
128AQI
121AQI
121AQI
131AQI
147AQI
157AQI
148AQI
151AQI
135AQI
146AQI
155AQI
157AQI
149AQI
161AQI
164AQI
172AQI
167AQI
153AQI
156AQI
145AQI
136AQI
147AQI
146AQI
128AQI
112AQI
132AQI
144AQI
153AQI
147AQI
137AQI
116AQI
139AQI
155AQI
155AQI
140AQI
154AQI
139AQI
135AQI
150AQI
136AQI
140AQI
136AQI
150AQI
135AQI
147AQI
154AQI
136AQI
108AQI
101AQI
103AQI
90AQI
99AQI
122AQI
127AQI
134AQI
134AQI
147AQI
147AQI
128AQI
148AQI
123AQI
129AQI
116AQI
106AQI
108AQI
120AQI
112AQI
111AQI
90AQI
119AQI
130AQI
146AQI
140AQI
120AQI
97AQI
102AQI
113AQI
111AQI
111AQI
97AQI
100AQI
97AQI
109AQI
108AQI
97AQI
83AQI
78AQI
70AQI
77AQI
86AQI
79AQI
78AQI
86AQI
89AQI
73AQI
81AQI
112AQI
122AQI
106AQI
121AQI
121AQI
131AQI
133AQI
136AQI
99AQI
85AQI
75AQI
78AQI
82AQI
89AQI
91AQI
88AQI
79AQI
92AQI
94AQI
99AQI
100AQI
102AQI
93AQI
94AQI
106AQI
120AQI
94AQI
87AQI
86AQI
81AQI
78AQI
69AQI
74AQI
73AQI
78AQI
76AQI
70AQI
64AQI
81AQI
75AQI
66AQI
92AQI
86AQI
92AQI
98AQI
79AQI
79AQI
77AQI
87AQI
92AQI
107AQI
107AQI
112AQI
98AQI
87AQI
93AQI
88AQI
87AQI
76AQI
72AQI
67AQI
66AQI
71AQI
72AQI
78AQI
80AQI
79AQI
77AQI
73AQI
71AQI
72AQI
73AQI
67AQI
65AQI
63AQI
62AQI
60AQI
60AQI
58AQI
62AQI
60AQI
58AQI
65AQI
67AQI
67AQI
67AQI
63AQI
59AQI
63AQI
64AQI
66AQI
71AQI
68AQI
68AQI
74AQI
83AQI
79AQI
74AQI
68AQI
65AQI
61AQI
65AQI
70AQI
74AQI
77AQI
70AQI
66AQI
71AQI
75AQI
78AQI
81AQI
74AQI
76AQI
77AQI
77AQI
73AQI
69AQI
68AQI
68AQI
73AQI
70AQI
67AQI
69AQI
72AQI
73AQI
70AQI
65AQI
67AQI
72AQI
77AQI
78AQI
78AQI
78AQI
78AQI
75AQI
69AQI
69AQI
58AQI
73AQI
78AQI
77AQI
85AQI
85AQI
87AQI
86AQI
87AQI
101AQI
93AQI
84AQI
78AQI
77AQI
74AQI
145AQI
142AQI
120AQI
98AQI
86AQI
83AQI
66AQI
73AQI
80AQI
No. of days
2025100AQI
Highest AQI recorded in
January145AQI
Lowest AQI recorded in
July66AQI
2024108AQI
Highest AQI recorded in
January163AQI
Lowest AQI recorded in
July60AQI
2023119AQI
Highest AQI recorded in
November198AQI
Lowest AQI recorded in
July53AQI
2022156AQI
Highest AQI recorded in
November297AQI
Lowest AQI recorded in
July71AQI
Most & Least Polluted Years Over the Last 4 Years
Gandak Colony's annual 2025 AQI (100) shows an average percentage change of -20.01% (improved AQI) compared to previous years: 2022 (156), 2023 (119), 2024 (108).