1 Zheleznodorozhnaya st., Korsakov, 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 Zheleznodorozhnaya st., Korsakov, 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 Zheleznodorozhnaya st., Korsakov, Sakhalinskaya Oblast, Russia
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
AQI
AQI
68AQI
49AQI
In the last 24 hours,
1 Zheleznodorozhnaya st.'s AQI reached its highest point of 68 at 4 AM during the Night, while the lowest point, 49, was recorded at 2 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
1 Zheleznodorozhnaya st., Korsakov, Sakhalinskaya Oblast, Russia
19°C16/23°C
17°C15/20°C
16°C15/17°C
16°C13/18°C
18°C15/21°C
18°C15/21°C
17°C14/18°C
15°C13/18°C
17°C15/19°C
16°C14/20°C
18°C15/21°C
18°C17/20°C
17°C14/20°C
15°C12/17°C
14°C11/17°C
14°C11/17°C
13°C9/14°C
13°C8/19°C
15°C12/19°C
16°C13/18°C
16°C15/17°C
16°C13/18°C
16°C13/20°C
17°C14/20°C
14°C10/18°C
14°C10/18°C
16°C14/18°C
15°C11/19°C
13°C10/18°C
--°C/°C
--°C/°C
34AQI
29AQI
36AQI
33AQI
2025 Days Vs Air Quality
1 Zheleznodorozhnaya st., Korsakov, Sakhalinskaya Oblast, Russia
65%
179
25%
68
11%
30
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2025, 65% of 277 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
1 Zheleznodorozhnaya st., Korsakov, Sakhalinskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
127AQI
106AQI
135AQI
142AQI
137AQI
92AQI
110AQI
88AQI
88AQI
88AQI
89AQI
123AQI
125AQI
115AQI
108AQI
101AQI
105AQI
110AQI
124AQI
135AQI
115AQI
126AQI
124AQI
98AQI
124AQI
111AQI
96AQI
96AQI
98AQI
63AQI
50AQI
57AQI
109AQI
124AQI
123AQI
85AQI
84AQI
70AQI
84AQI
69AQI
84AQI
84AQI
113AQI
83AQI
66AQI
81AQI
59AQI
52AQI
52AQI
54AQI
51AQI
53AQI
44AQI
46AQI
50AQI
49AQI
53AQI
44AQI
58AQI
46AQI
42AQI
45AQI
76AQI
68AQI
72AQI
53AQI
62AQI
72AQI
96AQI
63AQI
72AQI
52AQI
41AQI
44AQI
40AQI
27AQI
29AQI
52AQI
69AQI
53AQI
42AQI
29AQI
30AQI
40AQI
42AQI
30AQI
33AQI
33AQI
34AQI
63AQI
83AQI
107AQI
107AQI
81AQI
81AQI
68AQI
59AQI
66AQI
53AQI
108AQI
125AQI
114AQI
94AQI
54AQI
43AQI
40AQI
96AQI
73AQI
57AQI
58AQI
104AQI
44AQI
67AQI
57AQI
40AQI
45AQI
57AQI
37AQI
39AQI
45AQI
41AQI
44AQI
40AQI
36AQI
33AQI
35AQI
37AQI
38AQI
39AQI
39AQI
38AQI
53AQI
45AQI
54AQI
51AQI
49AQI
41AQI
37AQI
37AQI
42AQI
32AQI
32AQI
29AQI
30AQI
30AQI
27AQI
31AQI
35AQI
40AQI
42AQI
43AQI
34AQI
32AQI
31AQI
25AQI
30AQI
31AQI
36AQI
40AQI
40AQI
37AQI
36AQI
33AQI
46AQI
47AQI
39AQI
37AQI
38AQI
44AQI
45AQI
47AQI
44AQI
41AQI
41AQI
49AQI
49AQI
51AQI
50AQI
51AQI
51AQI
53AQI
51AQI
45AQI
47AQI
49AQI
47AQI
49AQI
48AQI
45AQI
42AQI
40AQI
44AQI
46AQI
46AQI
43AQI
42AQI
41AQI
49AQI
43AQI
40AQI
40AQI
41AQI
42AQI
44AQI
48AQI
45AQI
44AQI
47AQI
42AQI
43AQI
41AQI
43AQI
45AQI
42AQI
38AQI
36AQI
41AQI
37AQI
34AQI
31AQI
31AQI
30AQI
31AQI
29AQI
33AQI
29AQI
29AQI
34AQI
32AQI
32AQI
34AQI
38AQI
36AQI
34AQI
35AQI
33AQI
34AQI
33AQI
32AQI
31AQI
30AQI
33AQI
37AQI
39AQI
36AQI
36AQI
31AQI
45AQI
41AQI
37AQI
36AQI
33AQI
33AQI
33AQI
34AQI
39AQI
36AQI
37AQI
36AQI
37AQI
35AQI
35AQI
30AQI
30AQI
28AQI
29AQI
33AQI
25AQI
19AQI
17AQI
22AQI
23AQI
16AQI
22AQI
40AQI
43AQI
54AQI
108AQI
71AQI
50AQI
70AQI
39AQI
41AQI
44AQI
34AQI
32AQI
40AQI
No. of days
202554AQI
Highest AQI recorded in
January108AQI
Lowest AQI recorded in
September32AQI
202431AQI
Highest AQI recorded in
December65AQI
Lowest AQI recorded in
January6AQI
202324AQI
Highest AQI recorded in
November26AQI
Lowest AQI recorded in
December23AQI
202213AQI
Highest AQI recorded in
January13AQI
Lowest AQI recorded in
January13AQI
Most & Least Polluted Years Over the Last 4 Years
1 Zheleznodorozhnaya st.'s annual 2025 AQI (54) shows an average percentage change of 173.6% (worsened AQI) compared to previous years: 2022 (13), 2023 (24), 2024 (31).