Sumy, Sumy Oblast, Ukraine 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
Sumy, Sumy Oblast, Ukraine
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Sumy, Sumy Oblast, Ukraine
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
57AQI
39AQI
61AQI
56AQI
In the last 24 hours,
Sumy's AQI reached its highest point of 61 at 9 PM during the Night, while the lowest point, 39, was recorded at 9 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sumy, Sumy Oblast, Ukraine
16°C9/24°C
17°C11/24°C
19°C12/26°C
18°C13/24°C
20°C13/28°C
20°C14/26°C
16°C10/24°C
17°C10/24°C
15°C9/21°C
16°C9/24°C
18°C11/25°C
18°C13/25°C
18°C11/24°C
13°C11/14°C
15°C9/20°C
14°C11/19°C
17°C10/25°C
20°C14/28°C
20°C14/27°C
12°C9/15°C
9°C4/14°C
8°C3/14°C
9°C4/16°C
10°C6/14°C
12°C9/15°C
9°C7/13°C
8°C6/11°C
7°C5/8°C
11°C7/16°C
13°C7/19°C
--°C/°C
35AQI
35AQI
42AQI
34AQI
2025 Days Vs Air Quality
Sumy, Sumy Oblast, Ukraine
95%
123
5%
6
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 278 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
Sumy, Sumy Oblast, Ukraine
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
17AQI
17AQI
15AQI
15AQI
17AQI
17AQI
17AQI
18AQI
19AQI
26AQI
25AQI
23AQI
18AQI
21AQI
18AQI
19AQI
18AQI
20AQI
21AQI
20AQI
21AQI
17AQI
14AQI
12AQI
13AQI
14AQI
16AQI
15AQI
14AQI
15AQI
14AQI
15AQI
13AQI
14AQI
14AQI
18AQI
17AQI
17AQI
17AQI
21AQI
24AQI
25AQI
26AQI
24AQI
22AQI
21AQI
23AQI
26AQI
25AQI
25AQI
24AQI
21AQI
21AQI
21AQI
24AQI
17AQI
18AQI
20AQI
24AQI
27AQI
25AQI
26AQI
40AQI
40AQI
42AQI
41AQI
44AQI
44AQI
37AQI
30AQI
21AQI
19AQI
34AQI
34AQI
36AQI
40AQI
44AQI
44AQI
45AQI
41AQI
31AQI
37AQI
41AQI
39AQI
39AQI
40AQI
40AQI
37AQI
37AQI
38AQI
38AQI
38AQI
40AQI
47AQI
50AQI
51AQI
51AQI
36AQI
50AQI
52AQI
53AQI
50AQI
53AQI
52AQI
50AQI
46AQI
43AQI
43AQI
42AQI
43AQI
31AQI
29AQI
30AQI
22AQI
22AQI
19AQI
18AQI
16AQI
16AQI
21AQI
26AQI
45AQI
34AQI
27AQI
27AQI
40AQI
48AQI
48AQI
17AQI
18AQI
22AQI
38AQI
37AQI
41AQI
No. of days
202529AQI
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
May17AQI
Most & Least Polluted Years Over the Last 1 Years
Sumy's annual 2025 AQI (29) shows an average percentage change of NaN% (improved AQI) compared to previous years: .