Krupka, 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
Krupka, Ustecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Krupka, Ustecky Kraj, Czechia
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
38AQI
22AQI
31AQI
21AQI
In the last 24 hours,
Krupka's AQI reached its highest point of 38 at 8 AM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Krupka, Ustecky Kraj, Czechia
18°C10/24°C
21°C13/29°C
22°C17/29°C
18°C11/22°C
14°C10/21°C
14°C8/20°C
15°C9/22°C
16°C9/23°C
13°C11/15°C
16°C10/23°C
20°C12/28°C
18°C14/25°C
16°C13/21°C
16°C11/22°C
18°C13/24°C
20°C13/26°C
23°C17/30°C
18°C14/25°C
17°C12/22°C
18°C11/24°C
17°C12/24°C
18°C12/25°C
18°C13/21°C
18°C12/23°C
14°C11/16°C
15°C11/21°C
15°C9/20°C
15°C10/21°C
16°C10/23°C
16°C9/22°C
--°C/°C
33AQI
26AQI
28AQI
26AQI
2025 Days Vs Air Quality
Krupka, Ustecky Kraj, Czechia
69%
146
25%
53
6%
12
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 215 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
Krupka, Ustecky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
71AQI
30AQI
29AQI
33AQI
65AQI
70AQI
57AQI
36AQI
45AQI
31AQI
29AQI
32AQI
38AQI
77AQI
46AQI
45AQI
59AQI
92AQI
97AQI
73AQI
81AQI
72AQI
63AQI
75AQI
68AQI
61AQI
62AQI
52AQI
31AQI
71AQI
55AQI
65AQI
49AQI
92AQI
118AQI
128AQI
45AQI
49AQI
91AQI
99AQI
113AQI
104AQI
93AQI
69AQI
98AQI
59AQI
74AQI
71AQI
76AQI
90AQI
97AQI
130AQI
93AQI
157AQI
150AQI
155AQI
103AQI
50AQI
44AQI
42AQI
49AQI
68AQI
69AQI
92AQI
107AQI
109AQI
96AQI
101AQI
111AQI
106AQI
91AQI
34AQI
65AQI
59AQI
48AQI
34AQI
44AQI
63AQI
78AQI
81AQI
63AQI
57AQI
91AQI
95AQI
82AQI
35AQI
59AQI
87AQI
30AQI
26AQI
30AQI
37AQI
48AQI
42AQI
48AQI
20AQI
21AQI
28AQI
35AQI
37AQI
35AQI
49AQI
46AQI
49AQI
44AQI
54AQI
53AQI
32AQI
19AQI
37AQI
33AQI
24AQI
22AQI
39AQI
29AQI
29AQI
28AQI
35AQI
41AQI
42AQI
55AQI
48AQI
46AQI
28AQI
20AQI
24AQI
29AQI
21AQI
26AQI
35AQI
27AQI
30AQI
36AQI
35AQI
30AQI
20AQI
22AQI
20AQI
21AQI
30AQI
37AQI
30AQI
22AQI
21AQI
25AQI
25AQI
26AQI
18AQI
17AQI
19AQI
28AQI
34AQI
27AQI
46AQI
33AQI
23AQI
20AQI
16AQI
21AQI
23AQI
42AQI
41AQI
47AQI
48AQI
39AQI
45AQI
37AQI
35AQI
42AQI
47AQI
39AQI
36AQI
32AQI
42AQI
36AQI
30AQI
32AQI
31AQI
28AQI
28AQI
28AQI
28AQI
33AQI
40AQI
34AQI
33AQI
36AQI
32AQI
24AQI
22AQI
21AQI
20AQI
21AQI
24AQI
30AQI
35AQI
30AQI
25AQI
20AQI
26AQI
36AQI
42AQI
26AQI
20AQI
25AQI
34AQI
33AQI
28AQI
27AQI
26AQI
22AQI
22AQI
24AQI
56AQI
92AQI
70AQI
36AQI
28AQI
34AQI
28AQI
24AQI
No. of days
202549AQI
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
August24AQI
202449AQI
Highest AQI recorded in
January65AQI
Lowest AQI recorded in
May41AQI
202348AQI
Highest AQI recorded in
December62AQI
Lowest AQI recorded in
November38AQI
202253AQI
Highest AQI recorded in
March69AQI
Lowest AQI recorded in
August29AQI
202149AQI
Highest AQI recorded in
December65AQI
Lowest AQI recorded in
August36AQI
202047AQI
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
May38AQI
Most & Least Polluted Years Over the Last 6 Years
Krupka's annual 2025 AQI (49) shows an average percentage change of -0.5% (improved AQI) compared to previous years: 2020 (47), 2021 (49), 2022 (53), 2023 (48), 2024 (49).