Yefremov, Tul skaya 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
Yefremov, Tul skaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (22nd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Oct - 23rd Oct 2025
Yefremov, Tul skaya Oblast, Russia
6 AM22nd Oct 2025
5 PM
5 AM23rd Oct 2025
57AQI
50AQI
61AQI
53AQI
In the last 24 hours,
Yefremov's AQI reached its highest point of 61 at 4 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Oct and 23rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yefremov, Tul skaya Oblast, Russia
19°C14/26°C
11°C6/13°C
7°C3/10°C
10°C7/13°C
10°C8/12°C
7°C6/8°C
5°C5/6°C
5°C1/10°C
6°C1/12°C
7°C3/12°C
8°C4/13°C
10°C5/16°C
12°C10/15°C
12°C8/16°C
12°C9/15°C
12°C9/16°C
12°C10/17°C
12°C9/15°C
10°C8/13°C
9°C6/11°C
6°C4/7°C
4°C3/7°C
4°C3/6°C
5°C3/6°C
7°C6/10°C
8°C7/11°C
8°C5/11°C
6°C6/7°C
5°C4/7°C
5°C2/8°C
--°C/°C
40AQI
40AQI
44AQI
38AQI
2025 Days Vs Air Quality
Yefremov, Tul skaya Oblast, Russia
62%
182
38%
113
Total number of days with different AQI categories in last 296 days in 2025 (69 days remaining)
Under WHO’s Safe Air Quality Limits: 62%
Health Risk Level:
Moderate
In 2025, 62% of 296 days were within WHO’s safe air quality limits, and 38% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Yefremov, Tul skaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI
48AQI
47AQI
54AQI
59AQI
59AQI
56AQI
54AQI
53AQI
55AQI
59AQI
59AQI
62AQI
56AQI
50AQI
56AQI
52AQI
51AQI
44AQI
70AQI
61AQI
75AQI
73AQI
57AQI
51AQI
56AQI
60AQI
49AQI
45AQI
48AQI
56AQI
45AQI
39AQI
49AQI
61AQI
77AQI
73AQI
67AQI
65AQI
66AQI
61AQI
62AQI
60AQI
79AQI
75AQI
59AQI
57AQI
69AQI
72AQI
58AQI
70AQI
60AQI
43AQI
56AQI
59AQI
71AQI
70AQI
63AQI
76AQI
73AQI
65AQI
55AQI
60AQI
71AQI
58AQI
76AQI
66AQI
72AQI
78AQI
81AQI
77AQI
68AQI
67AQI
59AQI
63AQI
56AQI
56AQI
58AQI
63AQI
70AQI
64AQI
56AQI
50AQI
58AQI
76AQI
61AQI
60AQI
65AQI
63AQI
63AQI
62AQI
59AQI
57AQI
58AQI
46AQI
30AQI
39AQI
42AQI
38AQI
42AQI
45AQI
36AQI
46AQI
42AQI
39AQI
35AQI
42AQI
33AQI
47AQI
44AQI
43AQI
62AQI
61AQI
56AQI
48AQI
28AQI
32AQI
34AQI
42AQI
46AQI
34AQI
18AQI
18AQI
19AQI
17AQI
15AQI
17AQI
18AQI
17AQI
18AQI
15AQI
17AQI
19AQI
21AQI
17AQI
18AQI
20AQI
17AQI
18AQI
15AQI
15AQI
14AQI
15AQI
17AQI
18AQI
18AQI
16AQI
15AQI
17AQI
17AQI
19AQI
16AQI
14AQI
16AQI
19AQI
17AQI
17AQI
18AQI
22AQI
23AQI
22AQI
17AQI
19AQI
19AQI
18AQI
19AQI
18AQI
19AQI
28AQI
23AQI
19AQI
18AQI
18AQI
18AQI
20AQI
17AQI
17AQI
14AQI
17AQI
21AQI
16AQI
15AQI
15AQI
19AQI
20AQI
17AQI
16AQI
18AQI
20AQI
24AQI
21AQI
20AQI
22AQI
27AQI
27AQI
29AQI
30AQI
29AQI
27AQI
24AQI
29AQI
25AQI
27AQI
30AQI
27AQI
32AQI
28AQI
27AQI
31AQI
32AQI
32AQI
46AQI
49AQI
59AQI
54AQI
51AQI
42AQI
41AQI
34AQI
23AQI
21AQI
28AQI
32AQI
39AQI
41AQI
42AQI
41AQI
47AQI
39AQI
29AQI
42AQI
45AQI
37AQI
38AQI
38AQI
40AQI
41AQI
42AQI
47AQI
43AQI
46AQI
46AQI
50AQI
53AQI
54AQI
56AQI
38AQI
53AQI
55AQI
55AQI
54AQI
55AQI
54AQI
54AQI
51AQI
44AQI
41AQI
43AQI
46AQI
43AQI
36AQI
35AQI
29AQI
29AQI
26AQI
22AQI
22AQI
17AQI
17AQI
14AQI
8AQI
10AQI
18AQI
35AQI
49AQI
53AQI
46AQI
47AQI
52AQI
64AQI
63AQI
57AQI
59AQI
61AQI
51AQI
34AQI
37AQI
33AQI
53AQI
41AQI
56AQI
60AQI
56AQI
52AQI
52AQI
56AQI
63AQI
65AQI
44AQI
18AQI
19AQI
25AQI
41AQI
38AQI
51AQI
No. of days
202541AQI
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
May18AQI
202425AQI
Highest AQI recorded in
December58AQI
Lowest AQI recorded in
May8AQI
202312AQI
Highest AQI recorded in
February17AQI
Lowest AQI recorded in
May7AQI
202216AQI
Highest AQI recorded in
November19AQI
Lowest AQI recorded in
October12AQI
Most & Least Polluted Years Over the Last 4 Years
Yefremov's annual 2025 AQI (41) shows an average percentage change of 153.2% (worsened AQI) compared to previous years: 2022 (16), 2023 (12), 2024 (25).