Penza, Penza 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
Penza, Penza 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 65 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
Penza, Penza Oblast, Russia
6 AM18th Oct 2025
5 PM
5 AM19th Oct 2025
88AQI
52AQI
77AQI
68AQI
In the last 24 hours,
Penza's AQI reached its highest point of 88 at 12 PM during the Day, while the lowest point, 52, was recorded at 6 AM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Penza, Penza Oblast, Russia
18°C14/23°C
17°C13/21°C
16°C10/21°C
20°C14/27°C
22°C15/29°C
15°C8/21°C
9°C7/12°C
8°C5/11°C
11°C8/14°C
9°C6/11°C
7°C2/11°C
6°C0/12°C
8°C3/14°C
10°C5/15°C
11°C6/17°C
10°C7/15°C
12°C7/17°C
12°C9/15°C
12°C8/17°C
12°C8/17°C
14°C9/20°C
13°C10/17°C
12°C9/17°C
9°C6/14°C
8°C6/10°C
7°C5/10°C
6°C4/9°C
4°C3/5°C
6°C2/9°C
7°C5/10°C
--°C/°C
41AQI
41AQI
45AQI
40AQI
2025 Days Vs Air Quality
Penza, Penza Oblast, Russia
75%
107
25%
36
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% 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
Penza, Penza Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
25AQI
19AQI
22AQI
17AQI
15AQI
25AQI
17AQI
20AQI
18AQI
45AQI
56AQI
45AQI
29AQI
25AQI
27AQI
21AQI
21AQI
28AQI
23AQI
22AQI
23AQI
21AQI
25AQI
38AQI
30AQI
23AQI
20AQI
19AQI
20AQI
19AQI
24AQI
20AQI
16AQI
16AQI
19AQI
20AQI
21AQI
16AQI
17AQI
18AQI
19AQI
22AQI
26AQI
28AQI
26AQI
29AQI
30AQI
34AQI
36AQI
32AQI
26AQI
23AQI
25AQI
27AQI
25AQI
28AQI
35AQI
31AQI
31AQI
34AQI
31AQI
31AQI
44AQI
54AQI
61AQI
57AQI
58AQI
48AQI
46AQI
40AQI
32AQI
27AQI
24AQI
32AQI
42AQI
41AQI
42AQI
43AQI
51AQI
43AQI
35AQI
47AQI
49AQI
46AQI
46AQI
46AQI
55AQI
55AQI
49AQI
53AQI
54AQI
57AQI
57AQI
55AQI
57AQI
63AQI
64AQI
40AQI
58AQI
62AQI
66AQI
62AQI
65AQI
66AQI
57AQI
50AQI
47AQI
50AQI
46AQI
48AQI
47AQI
45AQI
37AQI
34AQI
34AQI
29AQI
26AQI
23AQI
16AQI
14AQI
14AQI
14AQI
24AQI
24AQI
35AQI
49AQI
48AQI
53AQI
56AQI
72AQI
78AQI
72AQI
53AQI
53AQI
54AQI
60AQI
48AQI
43AQI
54AQI
51AQI
57AQI
65AQI
22AQI
25AQI
26AQI
47AQI
43AQI
56AQI
No. of days
202538AQI
Highest AQI recorded in
October56AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Penza's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .