Sneznik, Jilove, Ustecky Kraj, Czechia 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
Sneznik, Jilove, Ustecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 17 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Sneznik, Jilove, Ustecky Kraj, Czechia
6 AM17th Sep 2025
7 PM
5 AM18th Sep 2025
24AQI
14AQI
35AQI
17AQI
In the last 24 hours,
Sneznik's AQI reached its highest point of 35 at 3 AM during the Night, while the lowest point, 14, was recorded at 6 AM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Sneznik, Jilove, Ustecky Kraj, Czechia
18°C11/25°C
19°C14/25°C
18°C13/24°C
14°C8/19°C
11°C7/15°C
12°C6/17°C
15°C8/22°C
16°C10/23°C
18°C13/25°C
20°C15/30°C
17°C15/21°C
17°C14/22°C
18°C12/24°C
19°C13/25°C
16°C14/18°C
17°C12/23°C
19°C14/25°C
17°C13/20°C
15°C12/19°C
15°C10/20°C
15°C11/22°C
17°C12/23°C
17°C13/21°C
15°C11/21°C
14°C10/20°C
13°C9/18°C
13°C9/16°C
14°C9/20°C
14°C11/18°C
13°C10/16°C
--°C/°C
30AQI
23AQI
25AQI
23AQI
2025 Days Vs Air Quality
Sneznik, Jilove, Ustecky Kraj, Czechia
69%
179
25%
66
6%
15
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 261 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Sneznik, Jilove, Ustecky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
68AQI
34AQI
40AQI
35AQI
68AQI
69AQI
72AQI
54AQI
37AQI
32AQI
26AQI
30AQI
37AQI
74AQI
57AQI
41AQI
53AQI
86AQI
106AQI
85AQI
75AQI
79AQI
60AQI
70AQI
58AQI
57AQI
60AQI
58AQI
36AQI
67AQI
55AQI
67AQI
64AQI
89AQI
119AQI
135AQI
50AQI
53AQI
87AQI
99AQI
129AQI
116AQI
87AQI
71AQI
101AQI
46AQI
90AQI
88AQI
90AQI
97AQI
98AQI
99AQI
86AQI
141AQI
143AQI
137AQI
92AQI
59AQI
50AQI
52AQI
54AQI
74AQI
79AQI
96AQI
104AQI
115AQI
113AQI
112AQI
120AQI
123AQI
98AQI
42AQI
63AQI
61AQI
61AQI
44AQI
58AQI
65AQI
75AQI
83AQI
74AQI
56AQI
91AQI
85AQI
86AQI
46AQI
59AQI
94AQI
37AQI
28AQI
35AQI
50AQI
56AQI
49AQI
54AQI
18AQI
36AQI
35AQI
38AQI
39AQI
43AQI
62AQI
48AQI
51AQI
45AQI
49AQI
50AQI
35AQI
19AQI
40AQI
36AQI
32AQI
27AQI
45AQI
31AQI
35AQI
30AQI
39AQI
42AQI
47AQI
64AQI
44AQI
45AQI
24AQI
20AQI
22AQI
30AQI
22AQI
26AQI
32AQI
27AQI
29AQI
38AQI
38AQI
29AQI
22AQI
19AQI
18AQI
22AQI
29AQI
37AQI
35AQI
22AQI
23AQI
24AQI
29AQI
28AQI
23AQI
19AQI
20AQI
29AQI
37AQI
29AQI
48AQI
35AQI
27AQI
21AQI
16AQI
20AQI
23AQI
43AQI
39AQI
46AQI
45AQI
39AQI
48AQI
37AQI
35AQI
43AQI
48AQI
36AQI
30AQI
23AQI
43AQI
36AQI
27AQI
34AQI
31AQI
26AQI
31AQI
26AQI
28AQI
34AQI
48AQI
35AQI
34AQI
39AQI
31AQI
23AQI
22AQI
21AQI
22AQI
22AQI
28AQI
37AQI
36AQI
28AQI
24AQI
20AQI
25AQI
37AQI
45AQI
25AQI
22AQI
23AQI
34AQI
36AQI
32AQI
32AQI
29AQI
29AQI
24AQI
25AQI
26AQI
24AQI
22AQI
23AQI
23AQI
22AQI
35AQI
45AQI
56AQI
39AQI
36AQI
44AQI
56AQI
58AQI
58AQI
43AQI
27AQI
26AQI
31AQI
35AQI
28AQI
20AQI
18AQI
19AQI
23AQI
34AQI
46AQI
29AQI
26AQI
23AQI
23AQI
24AQI
21AQI
25AQI
20AQI
19AQI
22AQI
22AQI
30AQI
35AQI
27AQI
18AQI
19AQI
20AQI
18AQI
19AQI
17AQI
57AQI
92AQI
76AQI
41AQI
29AQI
34AQI
30AQI
33AQI
22AQI
No. of days
202547AQI
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
September22AQI
202454AQI
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
July44AQI
202355AQI
Highest AQI recorded in
February69AQI
Lowest AQI recorded in
July47AQI
202263AQI
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
August42AQI
202159AQI
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
August41AQI
202054AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
July44AQI
Most & Least Polluted Years Over the Last 6 Years
Sneznik's annual 2025 AQI (47) shows an average percentage change of -18.05% (improved AQI) compared to previous years: 2020 (54), 2021 (59), 2022 (63), 2023 (55), 2024 (54).