Simara, Birganj, Narayani, 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
Simara, Birganj, Narayani, Nepal
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 77 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Simara, Birganj, Narayani, Nepal
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
89AQI
68AQI
82AQI
71AQI
In the last 24 hours,
Simara's AQI reached its highest point of 89 at 11 AM during the Day, while the lowest point, 68, was recorded at 7 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Simara, Birganj, Narayani, Nepal
33°C29/37°C
32°C29/37°C
33°C28/37°C
33°C29/40°C
33°C29/36°C
31°C28/36°C
32°C27/38°C
33°C27/38°C
34°C29/39°C
35°C30/41°C
33°C30/38°C
30°C28/34°C
29°C27/33°C
31°C27/36°C
33°C28/39°C
35°C31/41°C
30°C28/32°C
33°C27/40°C
33°C27/39°C
35°C30/41°C
36°C31/40°C
35°C31/41°C
33°C29/39°C
32°C28/36°C
28°C27/30°C
30°C26/34°C
31°C28/35°C
32°C27/37°C
32°C28/36°C
31°C27/36°C
--°C/°C
68AQI
68AQI
69AQI
69AQI
2025 Days Vs Air Quality
Simara, Birganj, Narayani, Nepal
45%
96
46%
99
9%
19
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
Simara, Birganj, Narayani, Nepal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
167AQI
158AQI
169AQI
156AQI
147AQI
159AQI
149AQI
140AQI
161AQI
164AQI
164AQI
169AQI
149AQI
151AQI
132AQI
133AQI
141AQI
139AQI
144AQI
138AQI
148AQI
143AQI
149AQI
142AQI
137AQI
142AQI
159AQI
160AQI
167AQI
165AQI
161AQI
155AQI
149AQI
137AQI
148AQI
144AQI
137AQI
123AQI
128AQI
139AQI
140AQI
145AQI
134AQI
114AQI
137AQI
153AQI
150AQI
155AQI
159AQI
149AQI
134AQI
142AQI
131AQI
117AQI
120AQI
129AQI
131AQI
134AQI
147AQI
128AQI
110AQI
106AQI
101AQI
95AQI
94AQI
121AQI
115AQI
128AQI
133AQI
139AQI
140AQI
131AQI
134AQI
105AQI
128AQI
103AQI
104AQI
109AQI
125AQI
118AQI
115AQI
112AQI
122AQI
132AQI
134AQI
137AQI
125AQI
110AQI
109AQI
106AQI
106AQI
115AQI
115AQI
117AQI
119AQI
120AQI
125AQI
116AQI
114AQI
98AQI
93AQI
86AQI
91AQI
82AQI
94AQI
98AQI
98AQI
93AQI
83AQI
105AQI
120AQI
118AQI
119AQI
117AQI
117AQI
126AQI
128AQI
96AQI
94AQI
93AQI
92AQI
90AQI
104AQI
95AQI
93AQI
89AQI
94AQI
93AQI
96AQI
100AQI
98AQI
92AQI
99AQI
105AQI
128AQI
118AQI
105AQI
97AQI
95AQI
93AQI
84AQI
78AQI
80AQI
88AQI
76AQI
79AQI
72AQI
79AQI
77AQI
74AQI
95AQI
95AQI
104AQI
97AQI
93AQI
91AQI
92AQI
98AQI
109AQI
117AQI
127AQI
124AQI
114AQI
102AQI
101AQI
95AQI
90AQI
81AQI
80AQI
76AQI
69AQI
71AQI
77AQI
77AQI
83AQI
81AQI
74AQI
71AQI
74AQI
74AQI
76AQI
71AQI
68AQI
68AQI
68AQI
70AQI
67AQI
65AQI
67AQI
64AQI
63AQI
65AQI
69AQI
73AQI
68AQI
66AQI
62AQI
64AQI
64AQI
67AQI
72AQI
73AQI
74AQI
79AQI
79AQI
75AQI
68AQI
66AQI
65AQI
63AQI
66AQI
69AQI
70AQI
77AQI
152AQI
139AQI
118AQI
107AQI
92AQI
90AQI
68AQI
74AQI
No. of days
2025109AQI
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
July68AQI
2024111AQI
Highest AQI recorded in
December147AQI
Lowest AQI recorded in
October63AQI
2023156AQI
Highest AQI recorded in
November157AQI
Lowest AQI recorded in
December156AQI
202153AQI
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
October53AQI
Most & Least Polluted Years Over the Last 4 Years
Simara's annual 2025 AQI (109) shows an average percentage change of 24.2% (worsened AQI) compared to previous years: 2021 (53), 2023 (156), 2024 (111).