Naharlagun, Arunachal Pradesh, India 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
Naharlagun, Arunachal Pradesh, India
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Naharlagun, Arunachal Pradesh, India
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
AQI
AQI
70AQI
60AQI
In the last 24 hours,
Naharlagun's AQI reached its highest point of 70 at 8 AM during the Night, while the lowest point, 60, was recorded at 1 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Naharlagun, Arunachal Pradesh, India
24°C22/26°C
23°C20/26°C
25°C21/29°C
25°C22/29°C
25°C21/28°C
25°C21/28°C
25°C22/29°C
26°C22/29°C
27°C23/32°C
28°C23/34°C
28°C24/33°C
25°C22/29°C
26°C23/30°C
26°C23/30°C
27°C24/32°C
26°C24/29°C
26°C24/30°C
27°C24/32°C
28°C24/33°C
28°C24/33°C
29°C23/35°C
26°C22/31°C
26°C23/30°C
24°C21/26°C
25°C21/29°C
26°C22/31°C
26°C23/30°C
27°C22/31°C
26°C23/31°C
--°C/°C
--°C/°C
58AQI
58AQI
59AQI
59AQI
2025 Days Vs Air Quality
Naharlagun, Arunachal Pradesh, India
63%
135
37%
78
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% 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
Naharlagun, Arunachal Pradesh, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
140AQI
115AQI
146AQI
141AQI
146AQI
149AQI
144AQI
119AQI
108AQI
119AQI
131AQI
116AQI
121AQI
129AQI
117AQI
124AQI
116AQI
130AQI
126AQI
127AQI
132AQI
132AQI
143AQI
146AQI
131AQI
117AQI
117AQI
139AQI
147AQI
134AQI
126AQI
137AQI
140AQI
117AQI
127AQI
134AQI
141AQI
116AQI
113AQI
105AQI
109AQI
98AQI
99AQI
91AQI
118AQI
123AQI
120AQI
117AQI
122AQI
116AQI
99AQI
99AQI
78AQI
88AQI
88AQI
88AQI
92AQI
94AQI
109AQI
96AQI
82AQI
84AQI
75AQI
90AQI
94AQI
105AQI
105AQI
105AQI
114AQI
125AQI
106AQI
91AQI
77AQI
77AQI
95AQI
95AQI
102AQI
109AQI
120AQI
127AQI
115AQI
103AQI
115AQI
108AQI
118AQI
130AQI
139AQI
126AQI
139AQI
128AQI
135AQI
131AQI
128AQI
124AQI
136AQI
127AQI
112AQI
117AQI
115AQI
113AQI
100AQI
93AQI
85AQI
82AQI
92AQI
92AQI
91AQI
96AQI
89AQI
87AQI
86AQI
86AQI
76AQI
71AQI
77AQI
84AQI
76AQI
75AQI
76AQI
84AQI
94AQI
85AQI
85AQI
85AQI
79AQI
80AQI
84AQI
74AQI
86AQI
92AQI
80AQI
74AQI
76AQI
71AQI
74AQI
72AQI
73AQI
74AQI
75AQI
72AQI
65AQI
63AQI
79AQI
85AQI
72AQI
78AQI
72AQI
66AQI
63AQI
55AQI
64AQI
63AQI
62AQI
74AQI
68AQI
72AQI
72AQI
84AQI
79AQI
87AQI
89AQI
85AQI
79AQI
77AQI
73AQI
71AQI
68AQI
62AQI
58AQI
56AQI
57AQI
60AQI
67AQI
59AQI
54AQI
53AQI
56AQI
59AQI
56AQI
57AQI
59AQI
54AQI
52AQI
52AQI
54AQI
53AQI
59AQI
57AQI
59AQI
60AQI
56AQI
59AQI
64AQI
63AQI
63AQI
59AQI
60AQI
63AQI
60AQI
62AQI
59AQI
54AQI
58AQI
62AQI
62AQI
59AQI
58AQI
57AQI
56AQI
56AQI
53AQI
57AQI
59AQI
130AQI
110AQI
106AQI
98AQI
76AQI
67AQI
58AQI
59AQI
No. of days
202592AQI
Highest AQI recorded in
January130AQI
Lowest AQI recorded in
July58AQI
202478AQI
Highest AQI recorded in
December121AQI
Lowest AQI recorded in
August49AQI
202371AQI
Highest AQI recorded in
February89AQI
Lowest AQI recorded in
July46AQI
202269AQI
Highest AQI recorded in
March135AQI
Lowest AQI recorded in
October38AQI
Most & Least Polluted Years Over the Last 4 Years
Naharlagun's annual 2025 AQI (92) shows an average percentage change of 26.7% (worsened AQI) compared to previous years: 2022 (69), 2023 (71), 2024 (78).