Steti, Ustecky Kraj, Czechia 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
Steti, Ustecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Steti, Ustecky Kraj, Czechia
6 AM10th Oct 2025
6 PM
5 AM11th Oct 2025
60AQI
43AQI
56AQI
42AQI
In the last 24 hours,
Steti's AQI reached its highest point of 60 at 4 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Steti, Ustecky Kraj, Czechia
16°C12/22°C
14°C11/19°C
14°C10/18°C
13°C9/16°C
14°C9/20°C
14°C11/17°C
14°C10/16°C
16°C11/23°C
19°C14/25°C
19°C13/28°C
20°C15/26°C
12°C9/13°C
11°C9/15°C
11°C8/15°C
8°C7/9°C
11°C9/13°C
13°C9/17°C
12°C7/17°C
10°C6/15°C
9°C5/12°C
7°C4/11°C
8°C5/11°C
9°C5/12°C
5°C2/7°C
8°C6/10°C
10°C8/11°C
11°C10/13°C
11°C10/11°C
12°C9/13°C
11°C9/12°C
--°C/°C
35AQI
33AQI
37AQI
33AQI
2025 Days Vs Air Quality
Steti, Ustecky Kraj, Czechia
67%
190
26%
74
6%
18
0.3%
1
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 284 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
Steti, Ustecky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
78AQI
35AQI
32AQI
36AQI
65AQI
78AQI
49AQI
27AQI
26AQI
24AQI
24AQI
25AQI
38AQI
92AQI
83AQI
52AQI
62AQI
85AQI
94AQI
81AQI
76AQI
93AQI
62AQI
49AQI
55AQI
59AQI
54AQI
51AQI
31AQI
64AQI
58AQI
68AQI
59AQI
97AQI
118AQI
141AQI
52AQI
61AQI
89AQI
108AQI
123AQI
112AQI
93AQI
74AQI
105AQI
55AQI
97AQI
75AQI
104AQI
110AQI
118AQI
100AQI
94AQI
128AQI
152AQI
143AQI
86AQI
48AQI
42AQI
49AQI
58AQI
78AQI
91AQI
102AQI
116AQI
128AQI
127AQI
128AQI
132AQI
99AQI
93AQI
51AQI
69AQI
62AQI
60AQI
38AQI
52AQI
65AQI
72AQI
83AQI
68AQI
65AQI
101AQI
97AQI
89AQI
51AQI
74AQI
91AQI
37AQI
27AQI
41AQI
47AQI
54AQI
48AQI
51AQI
18AQI
24AQI
30AQI
43AQI
44AQI
54AQI
58AQI
52AQI
55AQI
45AQI
50AQI
50AQI
36AQI
27AQI
47AQI
37AQI
27AQI
30AQI
44AQI
49AQI
35AQI
35AQI
37AQI
44AQI
43AQI
64AQI
50AQI
55AQI
24AQI
24AQI
22AQI
33AQI
20AQI
28AQI
30AQI
26AQI
28AQI
40AQI
45AQI
27AQI
21AQI
21AQI
16AQI
22AQI
38AQI
44AQI
39AQI
21AQI
23AQI
29AQI
31AQI
26AQI
21AQI
15AQI
21AQI
31AQI
35AQI
29AQI
52AQI
35AQI
24AQI
19AQI
15AQI
23AQI
21AQI
42AQI
36AQI
48AQI
44AQI
33AQI
41AQI
32AQI
32AQI
41AQI
48AQI
38AQI
32AQI
29AQI
39AQI
36AQI
29AQI
31AQI
27AQI
27AQI
28AQI
26AQI
28AQI
31AQI
32AQI
34AQI
33AQI
36AQI
30AQI
23AQI
22AQI
22AQI
22AQI
23AQI
30AQI
35AQI
33AQI
37AQI
30AQI
25AQI
30AQI
47AQI
45AQI
27AQI
18AQI
28AQI
34AQI
40AQI
33AQI
34AQI
29AQI
25AQI
25AQI
24AQI
25AQI
23AQI
22AQI
24AQI
23AQI
25AQI
35AQI
49AQI
54AQI
41AQI
36AQI
44AQI
56AQI
60AQI
57AQI
44AQI
27AQI
25AQI
35AQI
39AQI
31AQI
22AQI
18AQI
19AQI
24AQI
34AQI
45AQI
30AQI
28AQI
25AQI
27AQI
25AQI
22AQI
21AQI
22AQI
19AQI
22AQI
24AQI
37AQI
42AQI
28AQI
20AQI
19AQI
22AQI
16AQI
17AQI
17AQI
20AQI
24AQI
31AQI
35AQI
20AQI
19AQI
19AQI
20AQI
27AQI
36AQI
38AQI
43AQI
41AQI
52AQI
59AQI
65AQI
70AQI
50AQI
49AQI
51AQI
60AQI
61AQI
56AQI
56AQI
95AQI
79AQI
42AQI
30AQI
33AQI
30AQI
34AQI
26AQI
57AQI
No. of days
202547AQI
Highest AQI recorded in
February95AQI
Lowest AQI recorded in
September26AQI
202449AQI
Highest AQI recorded in
January68AQI
Lowest AQI recorded in
July37AQI
202346AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
August37AQI
202258AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
August29AQI
202151AQI
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
August33AQI
202047AQI
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
July34AQI
Most & Least Polluted Years Over the Last 6 Years
Steti's annual 2025 AQI (47) shows an average percentage change of -5.6% (improved AQI) compared to previous years: 2020 (47), 2021 (51), 2022 (58), 2023 (46), 2024 (49).