Roudnice Nad Labem, Ustecky Kraj, Czechia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Roudnice Nad Labem, Ustecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Roudnice Nad Labem, Ustecky Kraj, Czechia
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
36AQI
21AQI
30AQI
23AQI
In the last 24 hours,
Roudnice Nad Labem's AQI reached its highest point of 36 at 12 PM during the Day, while the lowest point, 21, was recorded at 6 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Roudnice Nad Labem, Ustecky Kraj, Czechia
19°C13/24°C
21°C13/29°C
22°C17/28°C
18°C14/22°C
15°C12/20°C
15°C11/19°C
16°C12/21°C
17°C12/22°C
14°C12/14°C
17°C13/23°C
21°C15/27°C
19°C14/25°C
16°C13/21°C
16°C11/21°C
19°C16/23°C
20°C14/25°C
23°C17/31°C
19°C15/26°C
17°C13/22°C
19°C14/23°C
18°C14/23°C
20°C16/24°C
18°C16/21°C
19°C15/22°C
15°C14/16°C
16°C13/21°C
15°C11/20°C
16°C12/21°C
16°C13/23°C
17°C13/22°C
--°C/°C
32AQI
29AQI
30AQI
30AQI
2025 Days Vs Air Quality
Roudnice Nad Labem, Ustecky Kraj, Czechia
60%
129
30%
65
9%
19
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 215 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Roudnice Nad Labem, Ustecky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
78AQI
35AQI
33AQI
35AQI
67AQI
84AQI
53AQI
29AQI
31AQI
24AQI
25AQI
25AQI
39AQI
90AQI
85AQI
53AQI
63AQI
85AQI
102AQI
82AQI
76AQI
92AQI
66AQI
53AQI
58AQI
60AQI
56AQI
51AQI
30AQI
65AQI
60AQI
69AQI
59AQI
97AQI
123AQI
143AQI
53AQI
61AQI
90AQI
105AQI
122AQI
112AQI
94AQI
73AQI
104AQI
57AQI
96AQI
76AQI
104AQI
109AQI
121AQI
103AQI
96AQI
137AQI
155AQI
147AQI
88AQI
48AQI
44AQI
50AQI
57AQI
79AQI
92AQI
104AQI
117AQI
131AQI
129AQI
129AQI
131AQI
100AQI
89AQI
52AQI
69AQI
62AQI
60AQI
39AQI
53AQI
65AQI
74AQI
84AQI
68AQI
64AQI
100AQI
96AQI
90AQI
52AQI
75AQI
93AQI
38AQI
27AQI
42AQI
48AQI
55AQI
50AQI
52AQI
18AQI
23AQI
32AQI
43AQI
45AQI
54AQI
58AQI
53AQI
56AQI
46AQI
53AQI
51AQI
35AQI
25AQI
47AQI
36AQI
28AQI
30AQI
43AQI
46AQI
35AQI
34AQI
39AQI
44AQI
44AQI
65AQI
50AQI
55AQI
24AQI
24AQI
23AQI
34AQI
21AQI
28AQI
31AQI
27AQI
29AQI
39AQI
46AQI
28AQI
20AQI
21AQI
17AQI
22AQI
38AQI
45AQI
39AQI
22AQI
24AQI
29AQI
30AQI
27AQI
23AQI
16AQI
21AQI
32AQI
36AQI
30AQI
51AQI
36AQI
25AQI
19AQI
15AQI
23AQI
21AQI
43AQI
39AQI
46AQI
46AQI
35AQI
42AQI
32AQI
33AQI
42AQI
49AQI
39AQI
34AQI
29AQI
39AQI
35AQI
29AQI
30AQI
27AQI
27AQI
29AQI
26AQI
28AQI
32AQI
33AQI
33AQI
33AQI
36AQI
30AQI
23AQI
23AQI
22AQI
22AQI
22AQI
30AQI
36AQI
34AQI
37AQI
31AQI
25AQI
30AQI
47AQI
46AQI
27AQI
18AQI
29AQI
36AQI
40AQI
34AQI
34AQI
30AQI
26AQI
25AQI
24AQI
26AQI
58AQI
96AQI
80AQI
42AQI
31AQI
34AQI
31AQI
25AQI
No. of days
202552AQI
Highest AQI recorded in
February96AQI
Lowest AQI recorded in
August25AQI
202449AQI
Highest AQI recorded in
January68AQI
Lowest AQI recorded in
July36AQI
202346AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
July36AQI
202257AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
August28AQI
202151AQI
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
August33AQI
202047AQI
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
July33AQI
Most & Least Polluted Years Over the Last 6 Years
Roudnice Nad Labem's annual 2025 AQI (52) shows an average percentage change of 4.8% (worsened AQI) compared to previous years: 2020 (47), 2021 (51), 2022 (57), 2023 (46), 2024 (49).