Valky, Kharkivska Oblast, Ukraine Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Valky, Kharkivska Oblast, Ukraine
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Valky, Kharkivska Oblast, Ukraine
6 AM29th Sep 2025
6 PM
5 AM30th Sep 2025
AQI
AQI
34AQI
6AQI
In the last 24 hours,
Valky's AQI reached its highest point of 34 at 7 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Valky, Kharkivska Oblast, Ukraine
26°C19/33°C
25°C19/32°C
22°C17/29°C
19°C12/26°C
17°C11/24°C
17°C10/24°C
18°C12/26°C
20°C12/27°C
20°C15/26°C
21°C14/28°C
21°C15/26°C
17°C11/24°C
18°C11/25°C
16°C10/22°C
17°C10/25°C
19°C12/25°C
18°C14/24°C
19°C12/25°C
13°C11/14°C
16°C11/21°C
16°C12/21°C
17°C11/24°C
20°C14/28°C
20°C14/27°C
16°C12/22°C
11°C8/15°C
10°C5/15°C
10°C5/16°C
11°C5/15°C
--°C/°C
--°C/°C
38AQI
33AQI
42AQI
36AQI
2025 Days Vs Air Quality
Valky, Kharkivska Oblast, Ukraine
63%
172
37%
99
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 63%
Health Risk Level:
Moderate
In 2025, 63% of 272 days were within WHO’s safe air quality limits, and 37% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Valky, Kharkivska Oblast, Ukraine
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI
56AQI
53AQI
51AQI
69AQI
52AQI
48AQI
51AQI
50AQI
49AQI
54AQI
56AQI
60AQI
61AQI
58AQI
61AQI
56AQI
45AQI
58AQI
75AQI
57AQI
54AQI
57AQI
57AQI
51AQI
49AQI
53AQI
53AQI
37AQI
50AQI
54AQI
44AQI
52AQI
52AQI
66AQI
65AQI
58AQI
58AQI
59AQI
64AQI
61AQI
58AQI
61AQI
56AQI
64AQI
50AQI
66AQI
75AQI
90AQI
59AQI
62AQI
59AQI
56AQI
55AQI
58AQI
58AQI
58AQI
59AQI
61AQI
66AQI
56AQI
55AQI
61AQI
53AQI
55AQI
55AQI
58AQI
64AQI
66AQI
58AQI
65AQI
63AQI
59AQI
57AQI
58AQI
58AQI
54AQI
57AQI
59AQI
56AQI
76AQI
60AQI
55AQI
57AQI
81AQI
70AQI
62AQI
65AQI
62AQI
59AQI
62AQI
62AQI
62AQI
62AQI
59AQI
44AQI
43AQI
38AQI
44AQI
28AQI
33AQI
39AQI
46AQI
39AQI
37AQI
45AQI
49AQI
40AQI
44AQI
49AQI
50AQI
53AQI
54AQI
56AQI
50AQI
40AQI
37AQI
34AQI
44AQI
40AQI
26AQI
20AQI
20AQI
16AQI
17AQI
20AQI
25AQI
17AQI
17AQI
17AQI
21AQI
21AQI
18AQI
18AQI
19AQI
15AQI
18AQI
18AQI
15AQI
15AQI
15AQI
15AQI
14AQI
17AQI
17AQI
17AQI
16AQI
37AQI
39AQI
34AQI
42AQI
27AQI
33AQI
36AQI
33AQI
42AQI
35AQI
31AQI
47AQI
46AQI
40AQI
28AQI
29AQI
18AQI
21AQI
18AQI
19AQI
21AQI
21AQI
24AQI
18AQI
14AQI
12AQI
14AQI
14AQI
17AQI
17AQI
15AQI
15AQI
15AQI
15AQI
14AQI
13AQI
14AQI
17AQI
17AQI
17AQI
18AQI
21AQI
23AQI
30AQI
29AQI
25AQI
21AQI
21AQI
21AQI
24AQI
26AQI
26AQI
25AQI
22AQI
21AQI
25AQI
23AQI
18AQI
18AQI
21AQI
24AQI
28AQI
31AQI
35AQI
43AQI
42AQI
46AQI
47AQI
47AQI
44AQI
37AQI
33AQI
22AQI
20AQI
21AQI
35AQI
40AQI
44AQI
45AQI
49AQI
49AQI
47AQI
34AQI
40AQI
42AQI
46AQI
42AQI
41AQI
41AQI
38AQI
39AQI
40AQI
40AQI
39AQI
42AQI
48AQI
53AQI
53AQI
53AQI
39AQI
51AQI
53AQI
54AQI
51AQI
53AQI
53AQI
52AQI
48AQI
43AQI
40AQI
39AQI
42AQI
30AQI
28AQI
32AQI
23AQI
21AQI
18AQI
23AQI
21AQI
18AQI
25AQI
16AQI
26AQI
55AQI
60AQI
61AQI
46AQI
21AQI
25AQI
23AQI
40AQI
38AQI
No. of days
202541AQI
Highest AQI recorded in
March61AQI
Lowest AQI recorded in
May21AQI
202432AQI
Highest AQI recorded in
December59AQI
Lowest AQI recorded in
April17AQI
202325AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
May8AQI
202246AQI
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
October26AQI
Most & Least Polluted Years Over the Last 4 Years
Valky's annual 2025 AQI (41) shows an average percentage change of 25.5% (worsened AQI) compared to previous years: 2022 (46), 2023 (25), 2024 (32).