Kstovo, Nizhegorodskaya Oblast, Russia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Kstovo, Nizhegorodskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 33 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Kstovo, Nizhegorodskaya Oblast, Russia
3 AM9th Aug 2025
8 PM
2 AM10th Aug 2025
AQI
AQI
36AQI
14AQI
In the last 24 hours,
Kstovo's AQI reached its highest point of 36 at 5 AM during the Night, while the lowest point, undefined, was recorded at 2 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kstovo, Nizhegorodskaya Oblast, Russia
26°C20/33°C
25°C19/31°C
21°C18/25°C
22°C17/27°C
20°C16/27°C
19°C14/24°C
20°C13/26°C
18°C13/23°C
18°C11/23°C
20°C14/26°C
18°C16/22°C
20°C15/27°C
20°C16/23°C
21°C16/26°C
19°C14/23°C
18°C11/24°C
20°C14/27°C
21°C15/27°C
22°C16/28°C
24°C17/30°C
23°C19/28°C
22°C16/27°C
23°C17/29°C
23°C17/29°C
24°C20/30°C
22°C20/25°C
22°C19/26°C
21°C17/27°C
18°C14/22°C
--°C/°C
--°C/°C
36AQI
31AQI
32AQI
32AQI
2025 Days Vs Air Quality
Kstovo, Nizhegorodskaya Oblast, Russia
67%
148
33%
72
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 221 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Kstovo, Nizhegorodskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
39AQI
44AQI
48AQI
59AQI
76AQI
47AQI
45AQI
50AQI
54AQI
62AQI
64AQI
67AQI
61AQI
52AQI
77AQI
83AQI
75AQI
27AQI
24AQI
29AQI
36AQI
64AQI
73AQI
64AQI
60AQI
63AQI
50AQI
53AQI
48AQI
46AQI
57AQI
64AQI
40AQI
62AQI
68AQI
74AQI
63AQI
65AQI
65AQI
66AQI
63AQI
74AQI
84AQI
69AQI
50AQI
49AQI
33AQI
40AQI
51AQI
44AQI
38AQI
42AQI
58AQI
54AQI
57AQI
68AQI
63AQI
85AQI
70AQI
64AQI
56AQI
40AQI
29AQI
32AQI
41AQI
45AQI
45AQI
58AQI
68AQI
74AQI
64AQI
54AQI
46AQI
52AQI
44AQI
52AQI
52AQI
51AQI
53AQI
49AQI
43AQI
58AQI
50AQI
55AQI
58AQI
46AQI
64AQI
66AQI
68AQI
64AQI
57AQI
43AQI
42AQI
43AQI
36AQI
37AQI
41AQI
40AQI
29AQI
35AQI
27AQI
34AQI
51AQI
42AQI
39AQI
54AQI
55AQI
53AQI
48AQI
60AQI
53AQI
53AQI
38AQI
62AQI
62AQI
38AQI
33AQI
33AQI
35AQI
28AQI
15AQI
16AQI
16AQI
18AQI
13AQI
19AQI
19AQI
20AQI
21AQI
14AQI
14AQI
17AQI
23AQI
19AQI
18AQI
24AQI
24AQI
16AQI
17AQI
14AQI
15AQI
18AQI
19AQI
16AQI
15AQI
14AQI
14AQI
16AQI
18AQI
18AQI
25AQI
12AQI
16AQI
18AQI
16AQI
18AQI
20AQI
26AQI
26AQI
27AQI
25AQI
23AQI
25AQI
29AQI
31AQI
25AQI
22AQI
21AQI
21AQI
21AQI
24AQI
38AQI
28AQI
23AQI
21AQI
19AQI
16AQI
15AQI
17AQI
15AQI
15AQI
15AQI
19AQI
21AQI
18AQI
17AQI
16AQI
18AQI
21AQI
24AQI
23AQI
26AQI
24AQI
25AQI
24AQI
21AQI
21AQI
21AQI
20AQI
21AQI
21AQI
22AQI
25AQI
28AQI
28AQI
24AQI
30AQI
34AQI
35AQI
39AQI
51AQI
53AQI
59AQI
56AQI
55AQI
43AQI
42AQI
37AQI
33AQI
54AQI
59AQI
53AQI
45AQI
18AQI
22AQI
24AQI
47AQI
No. of days
202539AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
May18AQI
202434AQI
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
April18AQI
202324AQI
Highest AQI recorded in
December26AQI
Lowest AQI recorded in
November15AQI
202211AQI
Highest AQI recorded in
October13AQI
Lowest AQI recorded in
November10AQI
Most & Least Polluted Years Over the Last 4 Years
Kstovo's annual 2025 AQI (39) shows an average percentage change of 114.6% (worsened AQI) compared to previous years: 2022 (11), 2023 (24), 2024 (34).