Poronaysk, 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
Poronaysk, Sakhalinskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (29th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 32 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Oct - 31st Oct 2025
Poronaysk, Sakhalinskaya Oblast, Russia
7 AM30th Oct 2025
6 PM
6 AM31st Oct 2025
AQI
AQI
63AQI
29AQI
In the last 24 hours,
Poronaysk's AQI reached its highest point of 63 at 6 AM during the Night, while the lowest point, 29, was recorded at 11 PM during the Night between 30th Oct and 31st Oct 2025.
Day & Night AQI Trend : Oct 2025
Poronaysk, Sakhalinskaya Oblast, Russia
15°C12/21°C
10°C7/12°C
8°C4/11°C
12°C4/19°C
12°C8/15°C
6°C3/10°C
7°C3/12°C
7°C2/11°C
3°C-1/7°C
1°C-1/4°C
1°C-2/5°C
1°C-2/5°C
1°C-2/4°C
1°C-2/7°C
0°C-2/5°C
1°C-2/4°C
1°C-2/6°C
0°C-1/2°C
0°C-5/5°C
0°C-2/4°C
0°C-3/4°C
0°C-3/4°C
-1°C-3/4°C
0°C-3/5°C
2°C-2/8°C
2°C-2/5°C
2°C1/3°C
2°C1/4°C
2°C0/5°C
--°C/°C
--°C/°C
43AQI
39AQI
39AQI
38AQI
2025 Days Vs Air Quality
Poronaysk, Sakhalinskaya Oblast, Russia
62%
188
28%
85
10%
29
Total number of days with different AQI categories in last 303 days in 2025 (62 days remaining)
Under WHO’s Safe Air Quality Limits: 62%
Health Risk Level:
Moderate
In 2025, 62% of 303 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
Poronaysk, Sakhalinskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
112AQI
102AQI
126AQI
142AQI
132AQI
96AQI
100AQI
85AQI
83AQI
95AQI
92AQI
127AQI
129AQI
116AQI
113AQI
98AQI
108AQI
109AQI
126AQI
136AQI
101AQI
117AQI
109AQI
107AQI
122AQI
113AQI
95AQI
92AQI
95AQI
58AQI
47AQI
58AQI
103AQI
116AQI
119AQI
79AQI
72AQI
64AQI
84AQI
65AQI
72AQI
82AQI
102AQI
81AQI
68AQI
80AQI
60AQI
52AQI
58AQI
54AQI
51AQI
53AQI
45AQI
44AQI
48AQI
55AQI
53AQI
44AQI
61AQI
46AQI
46AQI
49AQI
81AQI
73AQI
75AQI
54AQI
61AQI
75AQI
93AQI
62AQI
71AQI
51AQI
49AQI
46AQI
51AQI
25AQI
32AQI
56AQI
70AQI
50AQI
43AQI
33AQI
32AQI
48AQI
60AQI
36AQI
39AQI
42AQI
41AQI
68AQI
91AQI
107AQI
112AQI
96AQI
91AQI
79AQI
71AQI
76AQI
69AQI
104AQI
121AQI
112AQI
100AQI
73AQI
49AQI
50AQI
107AQI
85AQI
65AQI
60AQI
99AQI
50AQI
72AQI
65AQI
50AQI
46AQI
63AQI
39AQI
53AQI
63AQI
55AQI
54AQI
46AQI
37AQI
33AQI
36AQI
40AQI
43AQI
47AQI
44AQI
52AQI
72AQI
68AQI
68AQI
63AQI
54AQI
45AQI
40AQI
39AQI
44AQI
32AQI
30AQI
32AQI
31AQI
30AQI
28AQI
33AQI
41AQI
46AQI
49AQI
50AQI
40AQI
36AQI
41AQI
35AQI
42AQI
43AQI
37AQI
41AQI
43AQI
39AQI
40AQI
48AQI
47AQI
52AQI
46AQI
44AQI
43AQI
45AQI
46AQI
46AQI
44AQI
44AQI
51AQI
56AQI
56AQI
56AQI
51AQI
53AQI
52AQI
51AQI
50AQI
45AQI
46AQI
48AQI
49AQI
49AQI
50AQI
47AQI
42AQI
42AQI
44AQI
47AQI
48AQI
46AQI
47AQI
48AQI
49AQI
46AQI
41AQI
40AQI
43AQI
41AQI
43AQI
50AQI
48AQI
44AQI
44AQI
41AQI
47AQI
43AQI
43AQI
49AQI
48AQI
41AQI
44AQI
45AQI
45AQI
43AQI
35AQI
34AQI
34AQI
33AQI
32AQI
38AQI
36AQI
32AQI
38AQI
34AQI
35AQI
40AQI
39AQI
43AQI
42AQI
40AQI
38AQI
41AQI
35AQI
33AQI
35AQI
33AQI
39AQI
40AQI
58AQI
40AQI
46AQI
31AQI
44AQI
43AQI
37AQI
37AQI
39AQI
39AQI
34AQI
36AQI
38AQI
39AQI
38AQI
40AQI
39AQI
36AQI
39AQI
36AQI
32AQI
31AQI
34AQI
38AQI
24AQI
16AQI
16AQI
21AQI
22AQI
17AQI
22AQI
42AQI
45AQI
58AQI
57AQI
45AQI
28AQI
39AQI
42AQI
29AQI
40AQI
41AQI
43AQI
40AQI
44AQI
50AQI
39AQI
38AQI
38AQI
36AQI
25AQI
30AQI
30AQI
27AQI
32AQI
44AQI
26AQI
52AQI
32AQI
106AQI
69AQI
53AQI
77AQI
45AQI
46AQI
46AQI
39AQI
35AQI
38AQI
No. of days
202555AQI
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
September35AQI
202432AQI
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
January20AQI
202327AQI
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
November26AQI
202241AQI
Highest AQI recorded in
January41AQI
Lowest AQI recorded in
January41AQI
202168AQI
Highest AQI recorded in
December68AQI
Lowest AQI recorded in
December68AQI
Most & Least Polluted Years Over the Last 5 Years
Poronaysk's annual 2025 AQI (55) shows an average percentage change of 48.8% (worsened AQI) compared to previous years: 2021 (68), 2022 (41), 2023 (27), 2024 (32).