Ryazan, Ryazan 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
Ryazan, Ryazan Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 57 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
Ryazan, Ryazan Oblast, Russia
6 AM18th Oct 2025
5 PM
5 AM19th Oct 2025
63AQI
53AQI
70AQI
62AQI
In the last 24 hours,
Ryazan's AQI reached its highest point of 70 at 9 PM during the Night, while the lowest point, 53, was recorded at 1 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ryazan, Ryazan Oblast, Russia
14°C11/18°C
12°C10/15°C
16°C10/22°C
20°C14/27°C
18°C12/24°C
10°C5/13°C
7°C3/10°C
9°C3/13°C
9°C5/12°C
7°C5/10°C
6°C3/10°C
5°C0/11°C
6°C1/12°C
8°C4/12°C
8°C4/13°C
10°C6/14°C
11°C8/15°C
11°C10/13°C
12°C9/14°C
11°C8/15°C
12°C10/17°C
10°C9/11°C
10°C7/15°C
8°C7/10°C
4°C3/5°C
4°C4/5°C
4°C3/6°C
5°C3/7°C
7°C5/9°C
8°C6/9°C
--°C/°C
41AQI
39AQI
43AQI
39AQI
2025 Days Vs Air Quality
Ryazan, Ryazan Oblast, Russia
79%
113
21%
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: 79%
Health Risk Level:
Low
In 2025, 79% of 292 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Ryazan, Ryazan Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI
16AQI
17AQI
17AQI
13AQI
20AQI
25AQI
17AQI
18AQI
19AQI
20AQI
20AQI
20AQI
19AQI
21AQI
22AQI
21AQI
23AQI
25AQI
23AQI
24AQI
21AQI
19AQI
21AQI
24AQI
18AQI
18AQI
18AQI
16AQI
16AQI
17AQI
17AQI
16AQI
16AQI
16AQI
18AQI
18AQI
17AQI
17AQI
18AQI
19AQI
21AQI
19AQI
19AQI
21AQI
21AQI
23AQI
25AQI
25AQI
24AQI
23AQI
23AQI
23AQI
23AQI
26AQI
24AQI
31AQI
32AQI
28AQI
26AQI
28AQI
29AQI
31AQI
47AQI
52AQI
64AQI
58AQI
51AQI
40AQI
33AQI
31AQI
26AQI
23AQI
24AQI
32AQI
37AQI
40AQI
44AQI
43AQI
46AQI
36AQI
28AQI
38AQI
40AQI
32AQI
34AQI
45AQI
40AQI
41AQI
44AQI
48AQI
47AQI
54AQI
54AQI
53AQI
54AQI
59AQI
62AQI
39AQI
54AQI
58AQI
56AQI
55AQI
55AQI
54AQI
54AQI
51AQI
49AQI
53AQI
46AQI
47AQI
44AQI
37AQI
34AQI
30AQI
27AQI
28AQI
23AQI
22AQI
19AQI
17AQI
18AQI
11AQI
23AQI
22AQI
39AQI
50AQI
51AQI
49AQI
45AQI
55AQI
76AQI
69AQI
60AQI
56AQI
77AQI
62AQI
31AQI
31AQI
45AQI
57AQI
53AQI
57AQI
16AQI
20AQI
24AQI
41AQI
40AQI
54AQI
No. of days
202534AQI
Highest AQI recorded in
October54AQI
Lowest AQI recorded in
May16AQI
Most & Least Polluted Years Over the Last 1 Years
Ryazan's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .