Saint Petersburg, Sankt Peterburg, 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
Saint Petersburg, Sankt Peterburg, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 69 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Saint Petersburg, Sankt Peterburg, Russia
7 AM18th Oct 2025
6 PM
6 AM19th Oct 2025
69AQI
58AQI
86AQI
70AQI
In the last 24 hours,
Saint Petersburg's AQI reached its highest point of 86 at 10 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Saint Petersburg, Sankt Peterburg, Russia
12°C10/15°C
13°C10/16°C
16°C14/20°C
15°C11/17°C
10°C7/13°C
7°C4/10°C
9°C4/12°C
10°C7/14°C
11°C8/15°C
8°C4/12°C
6°C2/10°C
5°C1/11°C
6°C2/11°C
6°C3/11°C
6°C2/11°C
7°C3/11°C
8°C6/11°C
11°C9/15°C
10°C8/14°C
9°C6/15°C
9°C6/14°C
9°C7/12°C
8°C6/11°C
7°C6/8°C
5°C4/8°C
6°C4/7°C
6°C4/8°C
8°C5/10°C
4°C2/7°C
2°C0/6°C
--°C/°C
47AQI
42AQI
51AQI
43AQI
2025 Days Vs Air Quality
Saint Petersburg, Sankt Peterburg, Russia
90%
261
10%
30
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 292 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Saint Petersburg, Sankt Peterburg, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
35AQI
35AQI
45AQI
27AQI
41AQI
28AQI
38AQI
31AQI
39AQI
30AQI
40AQI
41AQI
24AQI
24AQI
28AQI
21AQI
24AQI
26AQI
22AQI
23AQI
30AQI
33AQI
31AQI
29AQI
30AQI
27AQI
30AQI
40AQI
33AQI
31AQI
28AQI
25AQI
27AQI
35AQI
46AQI
41AQI
41AQI
41AQI
52AQI
48AQI
33AQI
28AQI
25AQI
25AQI
56AQI
56AQI
59AQI
34AQI
27AQI
29AQI
25AQI
33AQI
48AQI
54AQI
62AQI
68AQI
58AQI
59AQI
37AQI
38AQI
34AQI
34AQI
35AQI
39AQI
26AQI
37AQI
25AQI
37AQI
26AQI
34AQI
38AQI
39AQI
60AQI
58AQI
47AQI
55AQI
48AQI
27AQI
27AQI
44AQI
32AQI
42AQI
46AQI
47AQI
48AQI
39AQI
51AQI
47AQI
50AQI
52AQI
45AQI
41AQI
41AQI
25AQI
23AQI
27AQI
21AQI
31AQI
17AQI
18AQI
17AQI
16AQI
23AQI
30AQI
27AQI
34AQI
30AQI
40AQI
32AQI
32AQI
31AQI
30AQI
17AQI
20AQI
22AQI
14AQI
20AQI
17AQI
15AQI
19AQI
20AQI
14AQI
14AQI
13AQI
13AQI
14AQI
15AQI
14AQI
16AQI
14AQI
18AQI
16AQI
17AQI
17AQI
15AQI
16AQI
15AQI
15AQI
15AQI
13AQI
13AQI
16AQI
19AQI
22AQI
18AQI
18AQI
17AQI
29AQI
22AQI
23AQI
13AQI
13AQI
15AQI
15AQI
17AQI
22AQI
16AQI
16AQI
19AQI
18AQI
21AQI
22AQI
22AQI
22AQI
23AQI
21AQI
23AQI
20AQI
19AQI
18AQI
17AQI
15AQI
16AQI
16AQI
16AQI
16AQI
16AQI
17AQI
18AQI
16AQI
15AQI
17AQI
16AQI
16AQI
16AQI
17AQI
18AQI
19AQI
17AQI
18AQI
20AQI
22AQI
19AQI
24AQI
24AQI
23AQI
21AQI
20AQI
20AQI
20AQI
21AQI
22AQI
23AQI
24AQI
26AQI
27AQI
29AQI
27AQI
27AQI
32AQI
47AQI
43AQI
38AQI
33AQI
32AQI
33AQI
26AQI
20AQI
19AQI
19AQI
22AQI
23AQI
20AQI
19AQI
19AQI
23AQI
21AQI
18AQI
18AQI
22AQI
19AQI
17AQI
18AQI
19AQI
22AQI
20AQI
19AQI
19AQI
17AQI
22AQI
28AQI
28AQI
30AQI
38AQI
35AQI
30AQI
40AQI
40AQI
43AQI
41AQI
43AQI
46AQI
45AQI
38AQI
34AQI
31AQI
31AQI
25AQI
24AQI
19AQI
17AQI
17AQI
20AQI
17AQI
15AQI
15AQI
16AQI
19AQI
13AQI
14AQI
44AQI
57AQI
73AQI
68AQI
73AQI
78AQI
60AQI
71AQI
88AQI
68AQI
65AQI
73AQI
49AQI
39AQI
50AQI
53AQI
56AQI
51AQI
61AQI
69AQI
31AQI
42AQI
40AQI
27AQI
17AQI
18AQI
22AQI
23AQI
30AQI
64AQI
No. of days
202530AQI
Highest AQI recorded in
October64AQI
Lowest AQI recorded in
May17AQI
202426AQI
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
April13AQI
202318AQI
Highest AQI recorded in
December29AQI
Lowest AQI recorded in
October12AQI
202224AQI
Highest AQI recorded in
December28AQI
Lowest AQI recorded in
October11AQI
202036AQI
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
July29AQI
Most & Least Polluted Years Over the Last 5 Years
Saint Petersburg's annual 2025 AQI (30) shows an average percentage change of 21.6% (worsened AQI) compared to previous years: 2020 (36), 2022 (24), 2023 (18), 2024 (26).