Kathmandu, Bagmati, Nepal 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
Kathmandu, Bagmati, Nepal
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Kathmandu, Bagmati, Nepal
5 AM1st Aug 2025
7 PM
4 AM2nd Aug 2025
71AQI
62AQI
72AQI
62AQI
In the last 24 hours,
Kathmandu's AQI reached its highest point of 72 at 10 PM during the Night, while the lowest point, 62, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kathmandu, Bagmati, Nepal
22°C20/26°C
22°C20/26°C
22°C19/26°C
22°C18/25°C
22°C18/26°C
22°C19/25°C
21°C20/25°C
22°C18/26°C
22°C19/26°C
23°C19/26°C
23°C19/28°C
22°C18/26°C
21°C19/25°C
21°C18/25°C
22°C19/26°C
22°C18/27°C
23°C20/27°C
21°C19/23°C
22°C19/26°C
23°C20/27°C
23°C20/28°C
24°C19/29°C
23°C19/29°C
23°C19/27°C
22°C20/25°C
20°C20/21°C
21°C20/24°C
22°C18/25°C
22°C20/25°C
22°C20/25°C
--°C/°C
64AQI
59AQI
65AQI
60AQI
2025 Days Vs Air Quality
Kathmandu, Bagmati, Nepal
2%
5
45%
95
53%
113
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% 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
Kathmandu, Bagmati, Nepal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
133AQI
144AQI
140AQI
121AQI
117AQI
117AQI
114AQI
108AQI
131AQI
120AQI
115AQI
122AQI
115AQI
121AQI
110AQI
121AQI
124AQI
121AQI
104AQI
107AQI
120AQI
131AQI
109AQI
110AQI
100AQI
104AQI
128AQI
134AQI
109AQI
123AQI
113AQI
100AQI
95AQI
104AQI
107AQI
119AQI
128AQI
115AQI
106AQI
131AQI
130AQI
135AQI
126AQI
101AQI
72AQI
86AQI
76AQI
80AQI
91AQI
94AQI
80AQI
72AQI
84AQI
77AQI
68AQI
80AQI
72AQI
72AQI
74AQI
81AQI
74AQI
76AQI
72AQI
68AQI
68AQI
73AQI
72AQI
73AQI
75AQI
80AQI
82AQI
88AQI
112AQI
98AQI
132AQI
111AQI
108AQI
116AQI
130AQI
115AQI
108AQI
103AQI
99AQI
106AQI
116AQI
116AQI
120AQI
116AQI
115AQI
114AQI
112AQI
111AQI
127AQI
130AQI
130AQI
129AQI
131AQI
123AQI
125AQI
111AQI
94AQI
92AQI
106AQI
96AQI
85AQI
76AQI
84AQI
79AQI
87AQI
87AQI
109AQI
102AQI
106AQI
104AQI
107AQI
109AQI
114AQI
89AQI
81AQI
68AQI
83AQI
106AQI
111AQI
101AQI
103AQI
104AQI
105AQI
106AQI
105AQI
109AQI
107AQI
110AQI
112AQI
118AQI
123AQI
118AQI
114AQI
110AQI
103AQI
101AQI
103AQI
105AQI
99AQI
101AQI
99AQI
95AQI
87AQI
96AQI
94AQI
92AQI
107AQI
110AQI
117AQI
118AQI
109AQI
108AQI
108AQI
114AQI
115AQI
123AQI
122AQI
117AQI
110AQI
108AQI
107AQI
104AQI
99AQI
96AQI
93AQI
90AQI
87AQI
88AQI
94AQI
91AQI
88AQI
87AQI
84AQI
80AQI
81AQI
81AQI
81AQI
78AQI
78AQI
76AQI
77AQI
78AQI
72AQI
70AQI
68AQI
64AQI
66AQI
64AQI
67AQI
71AQI
68AQI
58AQI
49AQI
52AQI
54AQI
58AQI
60AQI
60AQI
57AQI
57AQI
56AQI
56AQI
49AQI
44AQI
43AQI
44AQI
51AQI
57AQI
67AQI
119AQI
96AQI
97AQI
103AQI
104AQI
100AQI
61AQI
67AQI
No. of days
202597AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
July61AQI
2024108AQI
Highest AQI recorded in
April159AQI
Lowest AQI recorded in
August52AQI
2023118AQI
Highest AQI recorded in
February169AQI
Lowest AQI recorded in
August60AQI
2022143AQI
Highest AQI recorded in
February155AQI
Lowest AQI recorded in
October133AQI
2021137AQI
Highest AQI recorded in
November137AQI
Lowest AQI recorded in
November137AQI
Most & Least Polluted Years Over the Last 5 Years
Kathmandu's annual 2025 AQI (97) shows an average percentage change of -22.3% (improved AQI) compared to previous years: 2021 (137), 2022 (143), 2023 (118), 2024 (108).