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!
July Air Quality Analysis
Steti, Ustecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Steti, Ustecky Kraj, Czechia
4 AM2nd Jul 2025
9 PM
3 AM3rd Jul 2025
37AQI
28AQI
29AQI
28AQI
In the last 24 hours,
Steti's AQI reached its highest point of 37 at 2 PM during the Day, while the lowest point, 28, was recorded at 2 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Steti, Ustecky Kraj, Czechia
17°C13/22°C
17°C12/24°C
17°C12/22°C
16°C12/22°C
16°C12/20°C
14°C10/18°C
12°C8/17°C
14°C7/21°C
12°C8/15°C
15°C8/21°C
16°C10/23°C
18°C10/24°C
20°C13/29°C
15°C11/18°C
18°C11/23°C
20°C14/25°C
17°C12/21°C
16°C9/21°C
17°C10/24°C
21°C13/28°C
20°C13/29°C
18°C11/24°C
21°C14/27°C
23°C16/31°C
17°C14/23°C
20°C12/27°C
22°C17/29°C
19°C14/25°C
21°C13/28°C
24°C16/31°C
0°C0/0°C
34AQI
33AQI
33AQI
33AQI
2025 Days Vs Air Quality
Steti, Ustecky Kraj, Czechia
56%
102
34%
62
10%
18
0.5%
1
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 56%
Health Risk Level:
Considerable
In 2025, 56% of 184 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
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
56AQI
95AQI
79AQI
42AQI
30AQI
33AQI
30AQI
No. of days
202555AQI
Highest AQI recorded in
February95AQI
Lowest AQI recorded in
July30AQI
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 (55) shows an average percentage change of 10.1% (worsened AQI) compared to previous years: 2020 (47), 2021 (51), 2022 (58), 2023 (46), 2024 (49).