1 Svobodnaya St, Uglegorsk, Sakhalinskaya 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
1 Svobodnaya St, Uglegorsk, Sakhalinskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
1 Svobodnaya St, Uglegorsk, Sakhalinskaya Oblast, Russia
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
AQI
AQI
66AQI
54AQI
In the last 24 hours,
1 Svobodnaya St's AQI reached its highest point of 66 at 3 PM during the Night, while the lowest point, 54, was recorded at 2 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
1 Svobodnaya St, Uglegorsk, Sakhalinskaya Oblast, Russia
18°C16/21°C
16°C14/18°C
14°C13/15°C
14°C11/18°C
16°C13/20°C
15°C12/18°C
15°C13/17°C
15°C11/19°C
17°C14/20°C
17°C15/20°C
17°C15/20°C
16°C13/18°C
14°C11/16°C
11°C10/13°C
11°C9/13°C
12°C9/16°C
13°C10/16°C
13°C10/16°C
14°C11/18°C
15°C12/18°C
14°C13/14°C
14°C13/15°C
14°C10/19°C
14°C9/19°C
10°C8/12°C
12°C8/17°C
15°C12/18°C
11°C9/13°C
9°C6/12°C
--°C/°C
--°C/°C
35AQI
30AQI
35AQI
33AQI
2025 Days Vs Air Quality
1 Svobodnaya St, Uglegorsk, Sakhalinskaya Oblast, Russia
60%
166
30%
83
10%
28
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 277 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
1 Svobodnaya St, Uglegorsk, Sakhalinskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
112AQI
101AQI
129AQI
142AQI
134AQI
94AQI
98AQI
88AQI
81AQI
90AQI
90AQI
125AQI
129AQI
116AQI
113AQI
98AQI
108AQI
111AQI
127AQI
136AQI
101AQI
119AQI
107AQI
100AQI
122AQI
111AQI
94AQI
92AQI
94AQI
65AQI
49AQI
58AQI
101AQI
116AQI
120AQI
78AQI
72AQI
60AQI
84AQI
65AQI
72AQI
81AQI
101AQI
80AQI
68AQI
79AQI
57AQI
52AQI
54AQI
55AQI
50AQI
52AQI
44AQI
43AQI
48AQI
54AQI
53AQI
44AQI
61AQI
44AQI
44AQI
50AQI
82AQI
74AQI
76AQI
54AQI
62AQI
76AQI
92AQI
61AQI
71AQI
51AQI
49AQI
47AQI
54AQI
26AQI
33AQI
54AQI
70AQI
51AQI
42AQI
32AQI
33AQI
48AQI
59AQI
35AQI
39AQI
41AQI
41AQI
68AQI
89AQI
107AQI
113AQI
95AQI
90AQI
78AQI
71AQI
75AQI
69AQI
103AQI
119AQI
114AQI
100AQI
68AQI
47AQI
51AQI
108AQI
86AQI
67AQI
62AQI
100AQI
49AQI
72AQI
64AQI
49AQI
45AQI
62AQI
38AQI
53AQI
62AQI
53AQI
52AQI
44AQI
36AQI
32AQI
35AQI
38AQI
41AQI
46AQI
41AQI
50AQI
71AQI
66AQI
66AQI
62AQI
52AQI
44AQI
39AQI
39AQI
44AQI
31AQI
30AQI
30AQI
30AQI
28AQI
26AQI
32AQI
38AQI
44AQI
48AQI
48AQI
37AQI
36AQI
40AQI
33AQI
40AQI
44AQI
40AQI
41AQI
42AQI
39AQI
39AQI
47AQI
46AQI
51AQI
44AQI
43AQI
49AQI
44AQI
45AQI
46AQI
45AQI
46AQI
50AQI
56AQI
56AQI
55AQI
50AQI
53AQI
51AQI
51AQI
49AQI
45AQI
45AQI
49AQI
49AQI
50AQI
51AQI
47AQI
42AQI
41AQI
43AQI
47AQI
47AQI
46AQI
46AQI
47AQI
50AQI
46AQI
41AQI
40AQI
43AQI
40AQI
43AQI
49AQI
48AQI
44AQI
46AQI
42AQI
47AQI
43AQI
43AQI
49AQI
48AQI
42AQI
44AQI
45AQI
45AQI
42AQI
34AQI
34AQI
33AQI
32AQI
32AQI
38AQI
36AQI
31AQI
37AQI
34AQI
34AQI
40AQI
38AQI
42AQI
41AQI
40AQI
38AQI
40AQI
35AQI
33AQI
35AQI
31AQI
38AQI
39AQI
57AQI
40AQI
46AQI
30AQI
44AQI
43AQI
37AQI
37AQI
38AQI
38AQI
34AQI
36AQI
38AQI
38AQI
38AQI
39AQI
38AQI
35AQI
38AQI
35AQI
30AQI
30AQI
32AQI
37AQI
23AQI
16AQI
17AQI
22AQI
23AQI
20AQI
22AQI
41AQI
45AQI
54AQI
106AQI
68AQI
54AQI
77AQI
43AQI
45AQI
45AQI
38AQI
34AQI
41AQI
No. of days
202556AQI
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
September34AQI
202431AQI
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
February15AQI
202320AQI
Highest AQI recorded in
December20AQI
Lowest AQI recorded in
November19AQI
202236AQI
Highest AQI recorded in
January36AQI
Lowest AQI recorded in
January36AQI
Most & Least Polluted Years Over the Last 4 Years
1 Svobodnaya St's annual 2025 AQI (56) shows an average percentage change of 105.1% (worsened AQI) compared to previous years: 2022 (36), 2023 (20), 2024 (31).