Dibrugarh, Assam, India 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
Dibrugarh, Assam, India
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 67 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Dibrugarh, Assam, India
4 AM21st Sep 2025
5 PM
3 AM22nd Sep 2025
78AQI
60AQI
73AQI
61AQI
In the last 24 hours,
Dibrugarh's AQI reached its highest point of 78 at 10 AM during the Day, while the lowest point, 60, was recorded at 4 AM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dibrugarh, Assam, India
26°C24/29°C
27°C25/31°C
27°C25/29°C
28°C25/32°C
28°C26/33°C
27°C25/31°C
26°C24/29°C
25°C24/27°C
26°C24/31°C
29°C25/34°C
29°C25/35°C
30°C26/35°C
28°C25/33°C
28°C25/32°C
28°C24/33°C
28°C24/32°C
28°C25/32°C
28°C24/33°C
27°C24/31°C
27°C24/31°C
28°C25/32°C
27°C24/30°C
27°C25/32°C
26°C24/29°C
25°C23/27°C
24°C23/26°C
25°C24/28°C
27°C24/31°C
28°C24/32°C
28°C24/33°C
--°C/°C
68AQI
63AQI
67AQI
63AQI
2025 Days Vs Air Quality
Dibrugarh, Assam, India
68%
180
30%
78
2%
6
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 265 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
Dibrugarh, Assam, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
138AQI
123AQI
140AQI
162AQI
163AQI
155AQI
139AQI
112AQI
115AQI
121AQI
127AQI
119AQI
128AQI
120AQI
117AQI
122AQI
116AQI
128AQI
127AQI
137AQI
143AQI
152AQI
137AQI
132AQI
134AQI
120AQI
115AQI
142AQI
151AQI
149AQI
131AQI
135AQI
151AQI
133AQI
132AQI
127AQI
137AQI
120AQI
122AQI
111AQI
120AQI
103AQI
106AQI
104AQI
119AQI
117AQI
115AQI
108AQI
116AQI
110AQI
114AQI
110AQI
87AQI
102AQI
93AQI
96AQI
93AQI
100AQI
107AQI
95AQI
85AQI
83AQI
85AQI
94AQI
89AQI
103AQI
104AQI
103AQI
118AQI
112AQI
98AQI
92AQI
84AQI
85AQI
95AQI
101AQI
111AQI
109AQI
120AQI
118AQI
120AQI
102AQI
115AQI
103AQI
121AQI
113AQI
131AQI
114AQI
126AQI
110AQI
118AQI
123AQI
113AQI
114AQI
124AQI
116AQI
112AQI
110AQI
107AQI
101AQI
89AQI
86AQI
86AQI
89AQI
89AQI
92AQI
89AQI
91AQI
89AQI
84AQI
78AQI
79AQI
76AQI
76AQI
77AQI
81AQI
74AQI
80AQI
74AQI
76AQI
83AQI
76AQI
78AQI
81AQI
78AQI
78AQI
82AQI
80AQI
86AQI
86AQI
78AQI
77AQI
74AQI
78AQI
76AQI
76AQI
74AQI
76AQI
73AQI
66AQI
65AQI
62AQI
71AQI
74AQI
69AQI
71AQI
69AQI
65AQI
63AQI
58AQI
65AQI
62AQI
65AQI
74AQI
74AQI
72AQI
77AQI
82AQI
82AQI
87AQI
86AQI
84AQI
75AQI
75AQI
70AQI
70AQI
66AQI
60AQI
57AQI
55AQI
57AQI
55AQI
54AQI
55AQI
54AQI
53AQI
56AQI
57AQI
54AQI
58AQI
62AQI
55AQI
51AQI
51AQI
51AQI
54AQI
56AQI
56AQI
57AQI
58AQI
56AQI
63AQI
67AQI
65AQI
64AQI
58AQI
57AQI
62AQI
65AQI
67AQI
61AQI
59AQI
59AQI
64AQI
67AQI
60AQI
59AQI
57AQI
55AQI
55AQI
54AQI
59AQI
60AQI
64AQI
63AQI
62AQI
63AQI
61AQI
59AQI
59AQI
58AQI
59AQI
61AQI
62AQI
60AQI
59AQI
61AQI
65AQI
59AQI
60AQI
60AQI
64AQI
63AQI
59AQI
58AQI
56AQI
58AQI
63AQI
59AQI
60AQI
60AQI
62AQI
61AQI
64AQI
63AQI
65AQI
64AQI
69AQI
72AQI
73AQI
73AQI
72AQI
73AQI
72AQI
70AQI
72AQI
68AQI
66AQI
63AQI
63AQI
60AQI
63AQI
65AQI
67AQI
133AQI
114AQI
104AQI
93AQI
74AQI
66AQI
59AQI
61AQI
67AQI
No. of days
202586AQI
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
July59AQI
202483AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
August46AQI
202375AQI
Highest AQI recorded in
February113AQI
Lowest AQI recorded in
October55AQI
202241AQI
Highest AQI recorded in
December79AQI
Lowest AQI recorded in
August16AQI
202155AQI
Highest AQI recorded in
March92AQI
Lowest AQI recorded in
October31AQI
202087AQI
Highest AQI recorded in
November91AQI
Lowest AQI recorded in
October72AQI
Most & Least Polluted Years Over the Last 6 Years
Dibrugarh's annual 2025 AQI (86) shows an average percentage change of 36.8% (worsened AQI) compared to previous years: 2020 (87), 2021 (55), 2022 (41), 2023 (75), 2024 (83).