Liberec, Liberecky 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
Liberec, Liberecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 32 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Liberec, Liberecky Kraj, Czechia
6 AM28th Sep 2026
7 PM
5 AM29th Sep 2026
56AQI
21AQI
50AQI
21AQI
In the last 24 hours,
Liberec's AQI reached its highest point of 56 at 1 PM during the Day, while the lowest point, 21, was recorded at 9 PM during the Night between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Liberec, Liberecky Kraj, Czechia
17°C13/21°C
16°C12/19°C
17°C14/20°C
17°C14/20°C
18°C13/23°C
15°C12/18°C
13°C9/16°C
15°C12/18°C
20°C15/27°C
17°C13/20°C
12°C9/16°C
13°C11/16°C
15°C12/18°C
14°C12/16°C
13°C12/16°C
15°C12/20°C
16°C12/20°C
14°C11/16°C
13°C11/17°C
14°C11/19°C
13°C11/17°C
10°C7/11°C
9°C5/12°C
11°C8/14°C
9°C7/11°C
9°C7/12°C
12°C9/16°C
14°C12/18°C
15°C12/19°C
16°C13/19°C
35AQI
29AQI
33AQI
30AQI
2026 Days Vs Air Quality
Liberec, Liberecky Kraj, Czechia
88%
236
11%
29
1%
4
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 272 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
Liberec, Liberecky Kraj, Czechia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
14AQI (US)
22AQI (US)
22AQI (US)
31AQI (US)
58AQI (US)
86AQI (US)
73AQI (US)
51AQI (US)
69AQI (US)
38AQI (US)
41AQI (US)
39AQI (US)
43AQI (US)
51AQI (US)
42AQI (US)
32AQI (US)
33AQI (US)
41AQI (US)
52AQI (US)
45AQI (US)
49AQI (US)
109AQI (US)
144AQI (US)
143AQI (US)
59AQI (US)
45AQI (US)
79AQI (US)
82AQI (US)
75AQI (US)
77AQI (US)
95AQI (US)
123AQI (US)
68AQI (US)
48AQI (US)
52AQI (US)
50AQI (US)
49AQI (US)
44AQI (US)
40AQI (US)
51AQI (US)
21AQI (US)
18AQI (US)
16AQI (US)
36AQI (US)
22AQI (US)
32AQI (US)
56AQI (US)
25AQI (US)
60AQI (US)
69AQI (US)
49AQI (US)
19AQI (US)
10AQI (US)
17AQI (US)
37AQI (US)
37AQI (US)
41AQI (US)
57AQI (US)
49AQI (US)
28AQI (US)
28AQI (US)
48AQI (US)
48AQI (US)
42AQI (US)
51AQI (US)
47AQI (US)
46AQI (US)
42AQI (US)
63AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
30AQI (US)
19AQI (US)
57AQI (US)
89AQI (US)
66AQI (US)
77AQI (US)
45AQI (US)
53AQI (US)
47AQI (US)
38AQI (US)
17AQI (US)
20AQI (US)
44AQI (US)
24AQI (US)
27AQI (US)
16AQI (US)
27AQI (US)
42AQI (US)
53AQI (US)
31AQI (US)
19AQI (US)
14AQI (US)
20AQI (US)
31AQI (US)
28AQI (US)
27AQI (US)
44AQI (US)
57AQI (US)
38AQI (US)
37AQI (US)
47AQI (US)
50AQI (US)
29AQI (US)
36AQI (US)
9AQI (US)
25AQI (US)
15AQI (US)
22AQI (US)
29AQI (US)
16AQI (US)
20AQI (US)
27AQI (US)
15AQI (US)
24AQI (US)
48AQI (US)
19AQI (US)
35AQI (US)
30AQI (US)
38AQI (US)
17AQI (US)
16AQI (US)
23AQI (US)
31AQI (US)
30AQI (US)
18AQI (US)
17AQI (US)
22AQI (US)
27AQI (US)
38AQI (US)
43AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
40AQI (US)
36AQI (US)
34AQI (US)
46AQI (US)
48AQI (US)
43AQI (US)
29AQI (US)
21AQI (US)
18AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
22AQI (US)
20AQI (US)
18AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
18AQI (US)
16AQI (US)
18AQI (US)
19AQI (US)
23AQI (US)
26AQI (US)
31AQI (US)
17AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
15AQI (US)
20AQI (US)
32AQI (US)
48AQI (US)
37AQI (US)
39AQI (US)
45AQI (US)
31AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
19AQI (US)
15AQI (US)
13AQI (US)
17AQI (US)
18AQI (US)
20AQI (US)
24AQI (US)
23AQI (US)
19AQI (US)
28AQI (US)
31AQI (US)
24AQI (US)
22AQI (US)
33AQI (US)
36AQI (US)
29AQI (US)
24AQI (US)
37AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
30AQI (US)
45AQI (US)
26AQI (US)
33AQI (US)
27AQI (US)
41AQI (US)
43AQI (US)
45AQI (US)
21AQI (US)
31AQI (US)
43AQI (US)
28AQI (US)
37AQI (US)
40AQI (US)
31AQI (US)
30AQI (US)
45AQI (US)
26AQI (US)
17AQI (US)
32AQI (US)
30AQI (US)
31AQI (US)
37AQI (US)
29AQI (US)
21AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
36AQI (US)
37AQI (US)
43AQI (US)
32AQI (US)
26AQI (US)
32AQI (US)
29AQI (US)
30AQI (US)
29AQI (US)
33AQI (US)
24AQI (US)
35AQI (US)
27AQI (US)
27AQI (US)
39AQI (US)
31AQI (US)
30AQI (US)
34AQI (US)
31AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
34AQI (US)
37AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
35AQI (US)
38AQI (US)
33AQI (US)
32AQI (US)
57AQI (US)
44AQI (US)
41AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
27AQI (US)
32AQI (US)
32AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202543AQI (US)
Highest AQI (US) recorded in
February77AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202444AQI (US)
Highest AQI (US) recorded in
March56AQI (US)
Lowest AQI (US) recorded in
February38AQI (US)
202344AQI (US)
Highest AQI (US) recorded in
February52AQI (US)
Lowest AQI (US) recorded in
November33AQI (US)
202249AQI (US)
Highest AQI (US) recorded in
March68AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202146AQI (US)
Highest AQI (US) recorded in
March56AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202045AQI (US)
Highest AQI (US) recorded in
December78AQI (US)
Lowest AQI (US) recorded in
October37AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Liberec's annual 2026 AQI (US) (35) shows an average percentage change of -22.3% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (46), 2022 (49), 2023 (44), 2024 (44), 2025 (43).