Omsk, Omskaya Oblast, Russia 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
Omsk, Omskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 15 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Omsk, Omskaya Oblast, Russia
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
36AQI
11AQI
50AQI
16AQI
In the last 24 hours,
Omsk's AQI reached its highest point of 50 at 2 AM during the Night, while the lowest point, 11, was recorded at 10 AM during the Day between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Omsk, Omskaya Oblast, Russia
14°C10/19°C
13°C9/17°C
12°C8/17°C
14°C10/19°C
15°C12/19°C
14°C13/15°C
16°C12/21°C
15°C12/17°C
15°C11/20°C
14°C11/19°C
15°C11/19°C
13°C11/14°C
10°C8/12°C
9°C5/12°C
8°C4/11°C
11°C7/16°C
12°C9/16°C
13°C9/18°C
14°C9/19°C
15°C10/20°C
14°C11/18°C
15°C10/19°C
14°C11/18°C
15°C9/19°C
13°C8/16°C
18°C12/24°C
20°C15/27°C
18°C11/25°C
8°C4/11°C
3°C-1/6°C
--°C/°C
59AQI
54AQI
60AQI
60AQI
2025 Days Vs Air Quality
Omsk, Omskaya Oblast, Russia
38%
104
38%
103
21%
58
2%
6
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 38%
Health Risk Level:
High
In 2025, 38% of 272 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
Omsk, Omskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
121AQI
115AQI
118AQI
147AQI
125AQI
126AQI
89AQI
88AQI
85AQI
110AQI
111AQI
142AQI
158AQI
109AQI
102AQI
127AQI
150AQI
158AQI
154AQI
151AQI
135AQI
136AQI
121AQI
119AQI
73AQI
128AQI
114AQI
134AQI
156AQI
136AQI
138AQI
135AQI
121AQI
86AQI
101AQI
82AQI
103AQI
97AQI
110AQI
151AQI
135AQI
134AQI
108AQI
117AQI
103AQI
113AQI
121AQI
112AQI
119AQI
126AQI
108AQI
114AQI
123AQI
111AQI
115AQI
113AQI
117AQI
122AQI
112AQI
120AQI
101AQI
83AQI
74AQI
55AQI
58AQI
101AQI
105AQI
114AQI
101AQI
99AQI
87AQI
99AQI
105AQI
82AQI
92AQI
74AQI
80AQI
95AQI
90AQI
93AQI
101AQI
95AQI
93AQI
88AQI
89AQI
77AQI
65AQI
69AQI
80AQI
74AQI
77AQI
69AQI
75AQI
81AQI
72AQI
92AQI
87AQI
93AQI
98AQI
121AQI
93AQI
95AQI
82AQI
82AQI
92AQI
83AQI
87AQI
82AQI
82AQI
100AQI
101AQI
81AQI
81AQI
69AQI
80AQI
84AQI
88AQI
101AQI
108AQI
97AQI
63AQI
36AQI
36AQI
34AQI
31AQI
38AQI
36AQI
56AQI
45AQI
47AQI
35AQI
39AQI
35AQI
38AQI
28AQI
37AQI
53AQI
28AQI
28AQI
20AQI
21AQI
27AQI
22AQI
22AQI
26AQI
20AQI
28AQI
22AQI
25AQI
35AQI
43AQI
44AQI
50AQI
45AQI
40AQI
44AQI
44AQI
38AQI
25AQI
38AQI
45AQI
40AQI
48AQI
44AQI
50AQI
54AQI
54AQI
50AQI
54AQI
51AQI
44AQI
39AQI
35AQI
35AQI
32AQI
30AQI
42AQI
41AQI
43AQI
45AQI
44AQI
42AQI
50AQI
50AQI
44AQI
39AQI
35AQI
36AQI
28AQI
38AQI
43AQI
47AQI
37AQI
29AQI
38AQI
36AQI
40AQI
51AQI
49AQI
45AQI
43AQI
41AQI
37AQI
37AQI
34AQI
37AQI
40AQI
48AQI
49AQI
53AQI
46AQI
50AQI
51AQI
60AQI
57AQI
57AQI
50AQI
45AQI
41AQI
35AQI
35AQI
42AQI
49AQI
49AQI
50AQI
47AQI
45AQI
54AQI
46AQI
47AQI
55AQI
51AQI
47AQI
49AQI
53AQI
57AQI
52AQI
50AQI
54AQI
53AQI
56AQI
56AQI
54AQI
58AQI
59AQI
62AQI
49AQI
61AQI
61AQI
65AQI
70AQI
69AQI
71AQI
69AQI
68AQI
67AQI
65AQI
60AQI
62AQI
55AQI
53AQI
57AQI
71AQI
79AQI
69AQI
61AQI
55AQI
49AQI
37AQI
35AQI
15AQI
125AQI
115AQI
88AQI
88AQI
34AQI
43AQI
42AQI
50AQI
59AQI
No. of days
202571AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
May34AQI
202446AQI
Highest AQI recorded in
December107AQI
Lowest AQI recorded in
October26AQI
202338AQI
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
October28AQI
202242AQI
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
November34AQI
Most & Least Polluted Years Over the Last 4 Years
Omsk's annual 2025 AQI (71) shows an average percentage change of 71.02% (worsened AQI) compared to previous years: 2022 (42), 2023 (38), 2024 (46).