1 V. Gaiduk str., Yuzhno Sakhalinsk, Sakhalinskaya 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
1 V. Gaiduk str., Yuzhno Sakhalinsk, Sakhalinskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (30th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 18 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
1 V. Gaiduk str., Yuzhno Sakhalinsk, Sakhalinskaya Oblast, Russia
7 AM30th Sep 2025
7 PM
6 AM1st Oct 2025
AQI
AQI
34AQI
10AQI
In the last 24 hours,
1 V. Gaiduk str.'s AQI reached its highest point of 34 at 8 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
1 V. Gaiduk str., Yuzhno Sakhalinsk, Sakhalinskaya Oblast, Russia
15°C12/17°C
16°C13/20°C
15°C11/18°C
17°C15/19°C
20°C14/26°C
16°C12/21°C
14°C10/17°C
16°C12/22°C
17°C11/23°C
16°C12/22°C
14°C9/19°C
14°C10/21°C
15°C10/20°C
15°C10/22°C
17°C13/21°C
15°C11/20°C
13°C7/19°C
10°C5/16°C
9°C5/16°C
12°C9/17°C
9°C5/13°C
12°C7/19°C
14°C10/20°C
15°C12/19°C
14°C12/15°C
13°C8/19°C
15°C10/20°C
15°C11/22°C
10°C4/18°C
--°C/°C
--°C/°C
34AQI
26AQI
34AQI
33AQI
2025 Days Vs Air Quality
1 V. Gaiduk str., Yuzhno Sakhalinsk, Sakhalinskaya Oblast, Russia
66%
179
24%
65
11%
29
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 273 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
1 V. Gaiduk str., Yuzhno Sakhalinsk, Sakhalinskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
121AQI
105AQI
134AQI
141AQI
137AQI
100AQI
100AQI
90AQI
80AQI
87AQI
88AQI
125AQI
132AQI
118AQI
109AQI
100AQI
107AQI
110AQI
128AQI
142AQI
107AQI
130AQI
118AQI
101AQI
126AQI
110AQI
92AQI
89AQI
95AQI
59AQI
49AQI
57AQI
107AQI
124AQI
122AQI
82AQI
76AQI
67AQI
81AQI
66AQI
78AQI
84AQI
108AQI
83AQI
66AQI
80AQI
60AQI
51AQI
50AQI
55AQI
51AQI
53AQI
41AQI
45AQI
48AQI
49AQI
54AQI
44AQI
58AQI
46AQI
41AQI
42AQI
76AQI
67AQI
73AQI
54AQI
58AQI
77AQI
94AQI
63AQI
72AQI
51AQI
47AQI
45AQI
38AQI
26AQI
29AQI
51AQI
69AQI
53AQI
43AQI
30AQI
30AQI
44AQI
51AQI
31AQI
35AQI
36AQI
36AQI
65AQI
86AQI
107AQI
111AQI
94AQI
82AQI
72AQI
67AQI
73AQI
56AQI
100AQI
123AQI
114AQI
94AQI
56AQI
46AQI
45AQI
102AQI
79AQI
61AQI
56AQI
103AQI
48AQI
70AQI
60AQI
44AQI
45AQI
60AQI
35AQI
47AQI
54AQI
47AQI
44AQI
40AQI
36AQI
32AQI
33AQI
35AQI
36AQI
39AQI
39AQI
39AQI
55AQI
50AQI
56AQI
52AQI
51AQI
45AQI
38AQI
38AQI
41AQI
31AQI
28AQI
28AQI
29AQI
29AQI
27AQI
31AQI
35AQI
40AQI
41AQI
41AQI
35AQI
32AQI
34AQI
33AQI
35AQI
33AQI
35AQI
38AQI
40AQI
37AQI
34AQI
40AQI
41AQI
44AQI
41AQI
41AQI
39AQI
42AQI
44AQI
44AQI
43AQI
37AQI
41AQI
44AQI
48AQI
49AQI
49AQI
50AQI
50AQI
50AQI
48AQI
44AQI
45AQI
46AQI
47AQI
50AQI
48AQI
44AQI
43AQI
42AQI
43AQI
48AQI
48AQI
45AQI
46AQI
45AQI
44AQI
45AQI
40AQI
38AQI
38AQI
39AQI
42AQI
43AQI
44AQI
42AQI
41AQI
41AQI
42AQI
40AQI
43AQI
46AQI
42AQI
39AQI
39AQI
42AQI
41AQI
36AQI
31AQI
30AQI
29AQI
31AQI
30AQI
34AQI
29AQI
29AQI
33AQI
33AQI
32AQI
33AQI
38AQI
37AQI
35AQI
36AQI
34AQI
34AQI
34AQI
32AQI
32AQI
30AQI
34AQI
39AQI
41AQI
38AQI
37AQI
32AQI
43AQI
41AQI
37AQI
37AQI
34AQI
33AQI
33AQI
34AQI
38AQI
37AQI
38AQI
37AQI
38AQI
34AQI
35AQI
31AQI
30AQI
28AQI
29AQI
33AQI
23AQI
17AQI
18AQI
22AQI
23AQI
18AQI
107AQI
69AQI
51AQI
73AQI
39AQI
41AQI
44AQI
35AQI
32AQI
No. of days
202554AQI
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
September32AQI
202430AQI
Highest AQI recorded in
December64AQI
Lowest AQI recorded in
January7AQI
202316AQI
Highest AQI recorded in
November19AQI
Lowest AQI recorded in
December16AQI
202210AQI
Highest AQI recorded in
January10AQI
Lowest AQI recorded in
January10AQI
Most & Least Polluted Years Over the Last 4 Years
1 V. Gaiduk str.'s annual 2025 AQI (54) shows an average percentage change of 254.2% (worsened AQI) compared to previous years: 2022 (10), 2023 (16), 2024 (30).