Irkutsk, Irkutsk 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
Irkutsk, Irkutsk Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Irkutsk, Irkutsk Oblast, Russia
6 AM2nd Oct 2025
7 PM
5 AM3rd Oct 2025
59AQI
31AQI
50AQI
39AQI
In the last 24 hours,
Irkutsk's AQI reached its highest point of 59 at 9 AM during the Day, while the lowest point, 31, was recorded at 12 PM during the Day between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Irkutsk, Irkutsk Oblast, Russia
14°C10/20°C
11°C7/15°C
11°C6/17°C
10°C6/14°C
10°C5/14°C
11°C4/17°C
12°C5/19°C
14°C9/20°C
11°C7/17°C
13°C6/20°C
11°C6/16°C
10°C4/18°C
7°C4/9°C
10°C5/16°C
12°C5/19°C
10°C5/15°C
11°C4/18°C
12°C6/20°C
11°C8/14°C
12°C6/17°C
12°C6/19°C
13°C7/21°C
14°C8/22°C
16°C9/23°C
16°C10/24°C
15°C10/23°C
9°C1/20°C
2°C0/6°C
1°C0/2°C
1°C-5/5°C
--°C/°C
52AQI
41AQI
53AQI
53AQI
2025 Days Vs Air Quality
Irkutsk, Irkutsk Oblast, Russia
50%
64
50%
63
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 50%
Health Risk Level:
Considerable
In 2025, 50% of 276 days were within WHO’s safe air quality limits, and 50% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Irkutsk, Irkutsk Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
35AQI
32AQI
36AQI
31AQI
45AQI
31AQI
32AQI
33AQI
32AQI
37AQI
35AQI
45AQI
55AQI
58AQI
59AQI
61AQI
60AQI
61AQI
66AQI
55AQI
52AQI
50AQI
49AQI
53AQI
57AQI
56AQI
66AQI
62AQI
63AQI
59AQI
64AQI
60AQI
61AQI
52AQI
59AQI
60AQI
59AQI
57AQI
53AQI
49AQI
50AQI
49AQI
54AQI
51AQI
53AQI
51AQI
49AQI
48AQI
49AQI
48AQI
48AQI
47AQI
46AQI
47AQI
44AQI
43AQI
42AQI
47AQI
45AQI
46AQI
47AQI
48AQI
50AQI
56AQI
58AQI
56AQI
53AQI
51AQI
50AQI
43AQI
41AQI
39AQI
38AQI
38AQI
48AQI
46AQI
48AQI
48AQI
47AQI
43AQI
40AQI
42AQI
42AQI
39AQI
36AQI
45AQI
46AQI
51AQI
51AQI
52AQI
52AQI
52AQI
56AQI
59AQI
57AQI
57AQI
62AQI
41AQI
59AQI
59AQI
61AQI
60AQI
68AQI
66AQI
63AQI
66AQI
63AQI
56AQI
57AQI
53AQI
51AQI
50AQI
52AQI
51AQI
55AQI
55AQI
53AQI
50AQI
36AQI
30AQI
32AQI
26AQI
22AQI
18AQI
22AQI
51AQI
35AQI
51AQI
50AQI
47AQI
51AQI
37AQI
No. of days
202549AQI
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
May35AQI
Most & Least Polluted Years Over the Last 1 Years
Irkutsk's annual 2025 AQI (49) shows an average percentage change of NaN% (improved AQI) compared to previous years: .