Chmu, Hlucin, Moravskoslezsky Kraj, Czechia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Chmu, Hlucin, Moravskoslezsky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 18 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Chmu, Hlucin, Moravskoslezsky Kraj, Czechia
6 AM18th Sep 2025
7 PM
5 AM19th Sep 2025
25AQI
17AQI
30AQI
18AQI
In the last 24 hours,
Chmu's AQI reached its highest point of 30 at 4 AM during the Night, while the lowest point, 17, was recorded at 10 AM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chmu, Hlucin, Moravskoslezsky Kraj, Czechia
21°C14/28°C
19°C14/24°C
17°C11/21°C
14°C10/18°C
13°C7/20°C
16°C10/22°C
16°C8/24°C
20°C13/28°C
24°C16/31°C
24°C18/31°C
20°C16/24°C
16°C15/18°C
20°C13/28°C
20°C16/27°C
19°C16/24°C
21°C15/27°C
21°C16/27°C
15°C12/18°C
15°C10/21°C
17°C11/24°C
17°C12/24°C
18°C15/24°C
18°C15/23°C
17°C13/20°C
17°C13/22°C
15°C12/16°C
15°C10/20°C
15°C11/19°C
13°C10/17°C
13°C9/18°C
--°C/°C
34AQI
31AQI
36AQI
32AQI
2025 Days Vs Air Quality
Chmu, Hlucin, Moravskoslezsky Kraj, Czechia
66%
173
28%
74
5%
13
0.3%
1
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 262 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Chmu, Hlucin, Moravskoslezsky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
58AQI
43AQI
35AQI
89AQI
45AQI
49AQI
39AQI
35AQI
26AQI
25AQI
26AQI
31AQI
63AQI
66AQI
52AQI
51AQI
69AQI
68AQI
53AQI
57AQI
79AQI
63AQI
64AQI
53AQI
58AQI
51AQI
50AQI
27AQI
45AQI
53AQI
53AQI
72AQI
76AQI
100AQI
95AQI
72AQI
112AQI
114AQI
146AQI
152AQI
148AQI
141AQI
82AQI
93AQI
88AQI
82AQI
112AQI
107AQI
89AQI
109AQI
89AQI
75AQI
88AQI
127AQI
109AQI
127AQI
117AQI
70AQI
67AQI
54AQI
73AQI
83AQI
74AQI
80AQI
76AQI
94AQI
107AQI
85AQI
55AQI
50AQI
39AQI
50AQI
53AQI
65AQI
55AQI
49AQI
62AQI
66AQI
72AQI
87AQI
64AQI
61AQI
79AQI
93AQI
65AQI
74AQI
95AQI
87AQI
34AQI
65AQI
72AQI
57AQI
59AQI
54AQI
36AQI
29AQI
35AQI
43AQI
28AQI
52AQI
52AQI
59AQI
49AQI
42AQI
39AQI
50AQI
28AQI
17AQI
28AQI
47AQI
45AQI
36AQI
62AQI
52AQI
41AQI
37AQI
42AQI
48AQI
43AQI
44AQI
47AQI
47AQI
35AQI
26AQI
37AQI
44AQI
28AQI
38AQI
39AQI
35AQI
42AQI
48AQI
44AQI
29AQI
18AQI
20AQI
17AQI
17AQI
22AQI
31AQI
32AQI
18AQI
24AQI
29AQI
30AQI
26AQI
32AQI
18AQI
23AQI
38AQI
31AQI
36AQI
36AQI
34AQI
31AQI
23AQI
22AQI
21AQI
18AQI
25AQI
35AQI
35AQI
35AQI
38AQI
46AQI
46AQI
35AQI
39AQI
48AQI
35AQI
29AQI
27AQI
36AQI
34AQI
32AQI
31AQI
32AQI
28AQI
28AQI
26AQI
26AQI
30AQI
36AQI
36AQI
33AQI
36AQI
36AQI
32AQI
25AQI
21AQI
21AQI
22AQI
27AQI
29AQI
34AQI
33AQI
28AQI
28AQI
29AQI
36AQI
44AQI
23AQI
18AQI
30AQI
29AQI
52AQI
44AQI
28AQI
23AQI
22AQI
25AQI
26AQI
24AQI
26AQI
26AQI
31AQI
25AQI
27AQI
36AQI
49AQI
57AQI
46AQI
37AQI
43AQI
55AQI
59AQI
61AQI
51AQI
30AQI
27AQI
36AQI
47AQI
40AQI
24AQI
16AQI
20AQI
28AQI
37AQI
49AQI
49AQI
34AQI
29AQI
41AQI
44AQI
40AQI
37AQI
49AQI
26AQI
24AQI
36AQI
39AQI
48AQI
34AQI
33AQI
32AQI
36AQI
18AQI
19AQI
17AQI
18AQI
52AQI
102AQI
69AQI
45AQI
32AQI
32AQI
30AQI
37AQI
33AQI
No. of days
202548AQI
Highest AQI recorded in
February102AQI
Lowest AQI recorded in
July30AQI
202457AQI
Highest AQI recorded in
March69AQI
Lowest AQI recorded in
May47AQI
202352AQI
Highest AQI recorded in
February70AQI
Lowest AQI recorded in
July31AQI
202262AQI
Highest AQI recorded in
March96AQI
Lowest AQI recorded in
August35AQI
202154AQI
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
August35AQI
202051AQI
Highest AQI recorded in
December115AQI
Lowest AQI recorded in
July35AQI
Most & Least Polluted Years Over the Last 6 Years
Chmu's annual 2025 AQI (48) shows an average percentage change of -12.1% (improved AQI) compared to previous years: 2020 (51), 2021 (54), 2022 (62), 2023 (52), 2024 (57).