Itahari, Kosi, Nepal 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
Itahari, Kosi, Nepal
AQI Trends: Highest and Lowest
Same Day Analysis (7th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 106 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Itahari, Kosi, Nepal
5 AM7th Oct 2025
5 PM
4 AM8th Oct 2025
96AQI
96AQI
128AQI
91AQI
In the last 24 hours,
Itahari's AQI reached its highest point of 128 at 8 PM during the Night, while the lowest point, undefined, was recorded at 4 PM during the Day between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Itahari, Kosi, Nepal
28°C25/32°C
27°C24/32°C
27°C24/32°C
26°C23/29°C
27°C23/32°C
26°C23/31°C
24°C23/27°C
24°C22/27°C
24°C23/25°C
24°C22/28°C
25°C22/30°C
26°C22/30°C
26°C23/30°C
27°C22/31°C
27°C23/32°C
27°C23/31°C
27°C23/31°C
27°C23/33°C
28°C23/34°C
27°C23/32°C
27°C23/32°C
27°C23/32°C
27°C23/32°C
26°C22/32°C
25°C22/29°C
23°C22/28°C
22°C21/24°C
21°C20/23°C
23°C19/28°C
23°C20/28°C
--°C/°C
90AQI
82AQI
90AQI
85AQI
2025 Days Vs Air Quality
Itahari, Kosi, Nepal
58%
162
28%
79
14%
39
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 281 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
Itahari, Kosi, Nepal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
163AQI
161AQI
165AQI
155AQI
151AQI
155AQI
157AQI
136AQI
164AQI
168AQI
165AQI
171AQI
144AQI
156AQI
152AQI
155AQI
152AQI
154AQI
154AQI
149AQI
158AQI
151AQI
154AQI
145AQI
152AQI
149AQI
162AQI
161AQI
169AQI
169AQI
172AQI
166AQI
165AQI
149AQI
154AQI
155AQI
150AQI
144AQI
151AQI
155AQI
157AQI
160AQI
151AQI
139AQI
146AQI
154AQI
151AQI
144AQI
153AQI
156AQI
136AQI
144AQI
131AQI
123AQI
127AQI
138AQI
137AQI
144AQI
149AQI
145AQI
119AQI
112AQI
117AQI
115AQI
112AQI
132AQI
129AQI
133AQI
137AQI
146AQI
138AQI
128AQI
139AQI
118AQI
134AQI
121AQI
114AQI
124AQI
137AQI
131AQI
121AQI
108AQI
119AQI
142AQI
147AQI
145AQI
149AQI
128AQI
129AQI
123AQI
130AQI
130AQI
137AQI
133AQI
136AQI
133AQI
124AQI
120AQI
111AQI
93AQI
90AQI
89AQI
92AQI
88AQI
95AQI
95AQI
97AQI
95AQI
87AQI
112AQI
110AQI
125AQI
111AQI
121AQI
122AQI
119AQI
100AQI
85AQI
83AQI
88AQI
86AQI
88AQI
93AQI
94AQI
89AQI
89AQI
94AQI
97AQI
95AQI
103AQI
95AQI
88AQI
92AQI
99AQI
100AQI
92AQI
88AQI
88AQI
74AQI
73AQI
72AQI
74AQI
77AQI
86AQI
74AQI
74AQI
75AQI
79AQI
68AQI
72AQI
90AQI
98AQI
104AQI
92AQI
93AQI
83AQI
89AQI
104AQI
112AQI
120AQI
128AQI
123AQI
111AQI
103AQI
99AQI
96AQI
90AQI
76AQI
75AQI
72AQI
67AQI
71AQI
79AQI
76AQI
77AQI
76AQI
73AQI
75AQI
76AQI
79AQI
75AQI
72AQI
71AQI
68AQI
70AQI
68AQI
66AQI
65AQI
64AQI
64AQI
62AQI
65AQI
68AQI
72AQI
67AQI
66AQI
65AQI
67AQI
67AQI
72AQI
72AQI
75AQI
76AQI
77AQI
81AQI
79AQI
71AQI
68AQI
66AQI
64AQI
67AQI
71AQI
69AQI
74AQI
69AQI
65AQI
69AQI
71AQI
78AQI
76AQI
75AQI
76AQI
75AQI
77AQI
73AQI
66AQI
66AQI
68AQI
72AQI
65AQI
65AQI
66AQI
68AQI
68AQI
64AQI
63AQI
64AQI
71AQI
76AQI
72AQI
72AQI
74AQI
73AQI
74AQI
66AQI
66AQI
73AQI
69AQI
73AQI
74AQI
78AQI
80AQI
83AQI
87AQI
89AQI
84AQI
80AQI
75AQI
73AQI
71AQI
73AQI
77AQI
78AQI
81AQI
88AQI
90AQI
88AQI
80AQI
87AQI
73AQI
85AQI
113AQI
103AQI
99AQI
88AQI
93AQI
96AQI
95AQI
94AQI
106AQI
157AQI
147AQI
129AQI
108AQI
86AQI
90AQI
69AQI
70AQI
80AQI
96AQI
No. of days
2025104AQI
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July69AQI
202487AQI
Highest AQI recorded in
November157AQI
Lowest AQI recorded in
March55AQI
2023120AQI
Highest AQI recorded in
December130AQI
Lowest AQI recorded in
November58AQI
2021156AQI
Highest AQI recorded in
October156AQI
Lowest AQI recorded in
October156AQI
Most & Least Polluted Years Over the Last 4 Years
Itahari's annual 2025 AQI (104) shows an average percentage change of -9.6% (improved AQI) compared to previous years: 2021 (156), 2023 (120), 2024 (87).