Bialystok, Podlaskie, Poland 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
Bialystok, Podlaskie, Poland
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Sep - 20th Sep 2025
Bialystok, Podlaskie, Poland
5 AM19th Sep 2025
7 PM
4 AM20th Sep 2025
28AQI
17AQI
25AQI
20AQI
In the last 24 hours,
Bialystok's AQI reached its highest point of 28 at 7 AM during the Day, while the lowest point, 17, was recorded at 1 PM during the Day between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Bialystok, Podlaskie, Poland
15°C8/22°C
17°C10/23°C
13°C8/19°C
11°C7/15°C
12°C8/17°C
13°C7/19°C
15°C8/22°C
21°C12/30°C
25°C18/34°C
23°C17/29°C
20°C15/24°C
20°C13/27°C
23°C15/30°C
21°C16/27°C
21°C14/28°C
23°C16/31°C
22°C17/29°C
20°C15/27°C
19°C13/25°C
18°C14/24°C
21°C13/27°C
18°C15/23°C
17°C13/23°C
17°C13/23°C
16°C12/21°C
16°C13/19°C
15°C12/19°C
13°C10/17°C
14°C9/19°C
17°C13/22°C
--°C/°C
34AQI
31AQI
34AQI
33AQI
2025 Days Vs Air Quality
Bialystok, Podlaskie, Poland
75%
197
24%
64
0.3%
1
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 263 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
Bialystok, Podlaskie, Poland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI
40AQI
39AQI
32AQI
58AQI
52AQI
55AQI
39AQI
54AQI
34AQI
29AQI
35AQI
35AQI
53AQI
43AQI
45AQI
52AQI
51AQI
49AQI
68AQI
74AQI
76AQI
72AQI
65AQI
60AQI
52AQI
58AQI
54AQI
48AQI
42AQI
51AQI
30AQI
35AQI
45AQI
58AQI
73AQI
71AQI
51AQI
63AQI
64AQI
68AQI
66AQI
68AQI
83AQI
63AQI
51AQI
58AQI
67AQI
69AQI
58AQI
63AQI
54AQI
52AQI
63AQI
80AQI
85AQI
93AQI
91AQI
90AQI
65AQI
56AQI
48AQI
46AQI
50AQI
54AQI
76AQI
93AQI
99AQI
96AQI
94AQI
105AQI
74AQI
43AQI
41AQI
53AQI
28AQI
39AQI
49AQI
60AQI
67AQI
62AQI
58AQI
46AQI
65AQI
75AQI
48AQI
58AQI
54AQI
60AQI
57AQI
53AQI
44AQI
34AQI
41AQI
28AQI
20AQI
22AQI
21AQI
28AQI
20AQI
37AQI
30AQI
40AQI
39AQI
45AQI
41AQI
47AQI
49AQI
36AQI
38AQI
35AQI
47AQI
39AQI
39AQI
30AQI
23AQI
21AQI
35AQI
39AQI
31AQI
22AQI
32AQI
27AQI
30AQI
18AQI
20AQI
19AQI
20AQI
24AQI
23AQI
22AQI
22AQI
23AQI
27AQI
20AQI
23AQI
26AQI
22AQI
24AQI
27AQI
24AQI
30AQI
28AQI
22AQI
25AQI
26AQI
24AQI
27AQI
27AQI
21AQI
25AQI
24AQI
31AQI
38AQI
32AQI
34AQI
28AQI
23AQI
23AQI
23AQI
25AQI
33AQI
24AQI
23AQI
22AQI
23AQI
30AQI
28AQI
35AQI
28AQI
19AQI
19AQI
17AQI
19AQI
20AQI
21AQI
17AQI
23AQI
20AQI
22AQI
21AQI
17AQI
18AQI
21AQI
20AQI
19AQI
21AQI
30AQI
33AQI
25AQI
21AQI
19AQI
21AQI
24AQI
29AQI
33AQI
35AQI
28AQI
27AQI
33AQI
38AQI
37AQI
40AQI
30AQI
26AQI
29AQI
33AQI
37AQI
41AQI
27AQI
24AQI
28AQI
28AQI
29AQI
32AQI
31AQI
32AQI
25AQI
23AQI
26AQI
34AQI
34AQI
27AQI
28AQI
33AQI
35AQI
35AQI
36AQI
27AQI
18AQI
21AQI
27AQI
21AQI
24AQI
19AQI
16AQI
15AQI
19AQI
26AQI
32AQI
38AQI
40AQI
43AQI
36AQI
43AQI
48AQI
39AQI
50AQI
47AQI
39AQI
41AQI
44AQI
45AQI
42AQI
34AQI
38AQI
36AQI
29AQI
25AQI
21AQI
20AQI
23AQI
51AQI
65AQI
62AQI
35AQI
24AQI
25AQI
28AQI
28AQI
37AQI
No. of days
202539AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
May24AQI
202440AQI
Highest AQI recorded in
September56AQI
Lowest AQI recorded in
February30AQI
202336AQI
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
October30AQI
202239AQI
Highest AQI recorded in
March70AQI
Lowest AQI recorded in
October19AQI
202146AQI
Highest AQI recorded in
February74AQI
Lowest AQI recorded in
August30AQI
202039AQI
Highest AQI recorded in
November53AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 6 Years
Bialystok's annual 2025 AQI (39) shows an average percentage change of -0.8% (improved AQI) compared to previous years: 2020 (39), 2021 (46), 2022 (39), 2023 (36), 2024 (40).