Roztoky, Stredocesky 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
Roztoky, Stredocesky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Roztoky, Stredocesky Kraj, Czechia
5 AM16th Aug 2026
8 PM
4 AM17th Aug 2026
66AQI
32AQI
48AQI
25AQI
In the last 24 hours,
Roztoky's AQI reached its highest point of 66 at 12 PM during the Day, while the lowest point, 25, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Roztoky, Stredocesky Kraj, Czechia
17°C13/22°C
16°C10/22°C
16°C11/21°C
17°C12/23°C
15°C11/18°C
17°C10/24°C
21°C12/29°C
23°C15/31°C
20°C18/24°C
20°C14/27°C
24°C15/33°C
28°C18/37°C
28°C19/36°C
23°C17/29°C
21°C15/28°C
25°C17/34°C
26°C20/37°C
26°C21/35°C
24°C20/32°C
22°C17/27°C
20°C14/27°C
23°C14/32°C
26°C19/34°C
21°C15/26°C
19°C12/26°C
20°C13/28°C
22°C14/31°C
25°C16/34°C
25°C19/33°C
11°C-1/25°C
53AQI
41AQI
47AQI
41AQI
2026 Days Vs Air Quality
Roztoky, Stredocesky Kraj, Czechia
73%
164
25%
56
3%
6
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2026, 73% of 229 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Roztoky, Stredocesky Kraj, Czechia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
17AQI (US)
23AQI (US)
25AQI (US)
39AQI (US)
59AQI (US)
73AQI (US)
94AQI (US)
85AQI (US)
84AQI (US)
38AQI (US)
42AQI (US)
110AQI (US)
90AQI (US)
84AQI (US)
75AQI (US)
67AQI (US)
50AQI (US)
53AQI (US)
69AQI (US)
83AQI (US)
107AQI (US)
95AQI (US)
122AQI (US)
140AQI (US)
44AQI (US)
34AQI (US)
77AQI (US)
75AQI (US)
79AQI (US)
79AQI (US)
83AQI (US)
102AQI (US)
72AQI (US)
58AQI (US)
61AQI (US)
59AQI (US)
53AQI (US)
51AQI (US)
64AQI (US)
48AQI (US)
36AQI (US)
13AQI (US)
22AQI (US)
44AQI (US)
19AQI (US)
42AQI (US)
59AQI (US)
15AQI (US)
52AQI (US)
70AQI (US)
41AQI (US)
14AQI (US)
17AQI (US)
24AQI (US)
48AQI (US)
56AQI (US)
73AQI (US)
63AQI (US)
59AQI (US)
45AQI (US)
46AQI (US)
86AQI (US)
104AQI (US)
99AQI (US)
85AQI (US)
83AQI (US)
82AQI (US)
74AQI (US)
68AQI (US)
29AQI (US)
27AQI (US)
44AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
53AQI (US)
84AQI (US)
87AQI (US)
56AQI (US)
49AQI (US)
63AQI (US)
65AQI (US)
43AQI (US)
17AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
18AQI (US)
22AQI (US)
27AQI (US)
33AQI (US)
45AQI (US)
18AQI (US)
14AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
32AQI (US)
46AQI (US)
57AQI (US)
50AQI (US)
48AQI (US)
52AQI (US)
60AQI (US)
47AQI (US)
35AQI (US)
13AQI (US)
22AQI (US)
20AQI (US)
34AQI (US)
31AQI (US)
32AQI (US)
27AQI (US)
39AQI (US)
29AQI (US)
36AQI (US)
56AQI (US)
38AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
25AQI (US)
21AQI (US)
14AQI (US)
26AQI (US)
17AQI (US)
21AQI (US)
21AQI (US)
18AQI (US)
26AQI (US)
38AQI (US)
42AQI (US)
30AQI (US)
32AQI (US)
33AQI (US)
40AQI (US)
36AQI (US)
34AQI (US)
47AQI (US)
47AQI (US)
45AQI (US)
58AQI (US)
32AQI (US)
33AQI (US)
44AQI (US)
29AQI (US)
19AQI (US)
28AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
19AQI (US)
11AQI (US)
14AQI (US)
13AQI (US)
12AQI (US)
12AQI (US)
15AQI (US)
18AQI (US)
15AQI (US)
12AQI (US)
19AQI (US)
27AQI (US)
30AQI (US)
23AQI (US)
38AQI (US)
41AQI (US)
40AQI (US)
35AQI (US)
36AQI (US)
42AQI (US)
51AQI (US)
51AQI (US)
46AQI (US)
57AQI (US)
41AQI (US)
47AQI (US)
24AQI (US)
18AQI (US)
15AQI (US)
14AQI (US)
17AQI (US)
23AQI (US)
18AQI (US)
17AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
27AQI (US)
34AQI (US)
35AQI (US)
27AQI (US)
39AQI (US)
43AQI (US)
47AQI (US)
44AQI (US)
42AQI (US)
33AQI (US)
35AQI (US)
44AQI (US)
46AQI (US)
50AQI (US)
39AQI (US)
32AQI (US)
45AQI (US)
49AQI (US)
65AQI (US)
58AQI (US)
33AQI (US)
46AQI (US)
57AQI (US)
50AQI (US)
45AQI (US)
44AQI (US)
41AQI (US)
39AQI (US)
50AQI (US)
48AQI (US)
41AQI (US)
45AQI (US)
39AQI (US)
45AQI (US)
48AQI (US)
39AQI (US)
69AQI (US)
49AQI (US)
53AQI (US)
34AQI (US)
35AQI (US)
27AQI (US)
33AQI (US)
45AQI (US)
No. of days
202643AQI (US)
Highest AQI (US) recorded in
January69AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202548AQI (US)
Highest AQI (US) recorded in
February74AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
November54AQI (US)
Lowest AQI (US) recorded in
February32AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
July38AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
May37AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202128AQI (US)
Highest AQI (US) recorded in
June34AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
March35AQI (US)
Lowest AQI (US) recorded in
October20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Roztoky's annual 2026 AQI (US) (43) shows an average percentage change of 27.9% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (28), 2022 (34), 2023 (35), 2024 (37), 2025 (48).