Bratsk, Irkutskaya Oblast, Russia 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
Bratsk, Irkutskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 78 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Oct - 21st Oct 2025
Bratsk, Irkutskaya Oblast, Russia
7 AM20th Oct 2025
6 PM
6 AM21st Oct 2025
AQI
AQI
156AQI
68AQI
In the last 24 hours,
Bratsk's AQI reached its highest point of 156 at 2 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 20th Oct and 21st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Bratsk, Irkutskaya Oblast, Russia
11°C9/16°C
11°C8/15°C
10°C7/14°C
11°C7/16°C
11°C10/12°C
13°C11/15°C
13°C10/18°C
13°C10/19°C
3°C-2/5°C
-1°C-5/3°C
0°C-4/5°C
-1°C-4/3°C
1°C-3/5°C
1°C-2/4°C
0°C-3/4°C
-2°C-5/2°C
-2°C-5/1°C
-2°C-5/1°C
-3°C-6/1°C
-4°C-7/-1°C
-6°C-9/-3°C
-7°C-8/-5°C
-6°C-9/-3°C
-7°C-9/-4°C
-6°C-7/-3°C
-5°C-7/-2°C
-5°C-7/-2°C
-4°C-7/-2°C
-3°C-6/1°C
--°C/°C
--°C/°C
55AQI
43AQI
66AQI
49AQI
2025 Days Vs Air Quality
Bratsk, Irkutskaya Oblast, Russia
35%
101
47%
136
12%
36
6%
17
0.6%
2
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 293 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Bratsk, Irkutskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
166AQI
131AQI
155AQI
187AQI
170AQI
159AQI
99AQI
157AQI
113AQI
134AQI
125AQI
156AQI
155AQI
133AQI
112AQI
145AQI
165AQI
170AQI
171AQI
160AQI
166AQI
186AQI
173AQI
101AQI
83AQI
106AQI
118AQI
134AQI
214AQI
183AQI
202AQI
175AQI
135AQI
98AQI
102AQI
70AQI
86AQI
120AQI
123AQI
136AQI
116AQI
146AQI
119AQI
135AQI
128AQI
117AQI
113AQI
110AQI
123AQI
138AQI
92AQI
117AQI
125AQI
124AQI
116AQI
114AQI
125AQI
122AQI
120AQI
113AQI
111AQI
81AQI
72AQI
67AQI
59AQI
96AQI
86AQI
80AQI
95AQI
87AQI
85AQI
83AQI
73AQI
71AQI
78AQI
66AQI
84AQI
81AQI
76AQI
84AQI
93AQI
83AQI
76AQI
69AQI
62AQI
64AQI
57AQI
70AQI
78AQI
76AQI
69AQI
63AQI
65AQI
68AQI
67AQI
75AQI
67AQI
69AQI
72AQI
80AQI
70AQI
74AQI
68AQI
83AQI
73AQI
71AQI
70AQI
64AQI
57AQI
65AQI
76AQI
73AQI
64AQI
67AQI
67AQI
60AQI
70AQI
71AQI
68AQI
64AQI
55AQI
44AQI
37AQI
32AQI
37AQI
45AQI
39AQI
39AQI
48AQI
48AQI
49AQI
42AQI
46AQI
35AQI
34AQI
44AQI
46AQI
43AQI
40AQI
66AQI
63AQI
39AQI
42AQI
44AQI
46AQI
41AQI
34AQI
31AQI
25AQI
25AQI
24AQI
28AQI
26AQI
44AQI
31AQI
28AQI
30AQI
42AQI
30AQI
27AQI
39AQI
65AQI
61AQI
65AQI
59AQI
60AQI
62AQI
69AQI
52AQI
50AQI
47AQI
43AQI
39AQI
44AQI
49AQI
58AQI
52AQI
55AQI
56AQI
61AQI
56AQI
53AQI
48AQI
54AQI
55AQI
46AQI
48AQI
48AQI
45AQI
44AQI
43AQI
46AQI
47AQI
47AQI
45AQI
44AQI
45AQI
53AQI
46AQI
48AQI
43AQI
43AQI
43AQI
44AQI
44AQI
39AQI
43AQI
44AQI
42AQI
51AQI
48AQI
50AQI
56AQI
60AQI
55AQI
52AQI
50AQI
49AQI
47AQI
44AQI
39AQI
36AQI
35AQI
47AQI
40AQI
41AQI
42AQI
45AQI
38AQI
35AQI
40AQI
38AQI
34AQI
34AQI
42AQI
45AQI
51AQI
50AQI
51AQI
53AQI
52AQI
55AQI
58AQI
59AQI
55AQI
63AQI
49AQI
58AQI
58AQI
62AQI
60AQI
68AQI
65AQI
61AQI
65AQI
63AQI
57AQI
56AQI
55AQI
53AQI
53AQI
56AQI
56AQI
58AQI
55AQI
52AQI
47AQI
41AQI
38AQI
21AQI
20AQI
18AQI
19AQI
20AQI
54AQI
52AQI
71AQI
72AQI
60AQI
70AQI
79AQI
71AQI
60AQI
56AQI
58AQI
77AQI
50AQI
55AQI
56AQI
75AQI
89AQI
78AQI
149AQI
119AQI
79AQI
69AQI
41AQI
48AQI
46AQI
46AQI
51AQI
63AQI
No. of days
202571AQI
Highest AQI recorded in
January149AQI
Lowest AQI recorded in
May41AQI
202462AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
March8AQI
20236AQI
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
August0AQI
20223AQI
Highest AQI recorded in
December4AQI
Lowest AQI recorded in
October0AQI
Most & Least Polluted Years Over the Last 4 Years
Bratsk's annual 2025 AQI (71) shows an average percentage change of 1134.09% (worsened AQI) compared to previous years: 2022 (3), 2023 (6), 2024 (62).