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!
July Air Quality Analysis
Liberec, Liberecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Liberec, Liberecky Kraj, Czechia
71%
150
27%
58
2%
4
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 213 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 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
63AQI
32AQI
32AQI
35AQI
55AQI
42AQI
42AQI
31AQI
26AQI
29AQI
24AQI
28AQI
38AQI
54AQI
47AQI
41AQI
49AQI
80AQI
79AQI
56AQI
69AQI
74AQI
54AQI
55AQI
49AQI
53AQI
44AQI
42AQI
30AQI
47AQI
49AQI
50AQI
55AQI
67AQI
83AQI
87AQI
49AQI
53AQI
81AQI
82AQI
98AQI
93AQI
83AQI
69AQI
103AQI
58AQI
71AQI
76AQI
85AQI
71AQI
77AQI
83AQI
82AQI
101AQI
105AQI
89AQI
92AQI
54AQI
49AQI
48AQI
51AQI
61AQI
65AQI
70AQI
73AQI
82AQI
79AQI
90AQI
85AQI
101AQI
95AQI
50AQI
65AQI
55AQI
55AQI
42AQI
50AQI
53AQI
61AQI
66AQI
66AQI
59AQI
92AQI
73AQI
80AQI
43AQI
57AQI
85AQI
44AQI
32AQI
36AQI
51AQI
48AQI
46AQI
47AQI
22AQI
25AQI
28AQI
33AQI
40AQI
44AQI
47AQI
43AQI
48AQI
38AQI
40AQI
46AQI
38AQI
22AQI
31AQI
33AQI
26AQI
24AQI
44AQI
35AQI
33AQI
29AQI
29AQI
36AQI
45AQI
64AQI
40AQI
45AQI
25AQI
23AQI
24AQI
28AQI
22AQI
29AQI
31AQI
27AQI
30AQI
31AQI
35AQI
26AQI
20AQI
21AQI
19AQI
20AQI
34AQI
34AQI
32AQI
25AQI
23AQI
24AQI
25AQI
27AQI
22AQI
19AQI
19AQI
28AQI
27AQI
24AQI
46AQI
34AQI
27AQI
18AQI
16AQI
19AQI
20AQI
36AQI
41AQI
46AQI
39AQI
33AQI
42AQI
38AQI
34AQI
40AQI
48AQI
35AQI
33AQI
25AQI
43AQI
34AQI
26AQI
30AQI
31AQI
28AQI
30AQI
28AQI
27AQI
34AQI
49AQI
39AQI
35AQI
44AQI
34AQI
22AQI
21AQI
20AQI
20AQI
21AQI
27AQI
31AQI
37AQI
29AQI
26AQI
19AQI
24AQI
37AQI
40AQI
25AQI
19AQI
22AQI
31AQI
41AQI
30AQI
33AQI
27AQI
24AQI
23AQI
47AQI
77AQI
65AQI
37AQI
28AQI
32AQI
29AQI
No. of days
202545AQI
Highest AQI recorded in
February77AQI
Lowest AQI recorded in
May28AQI
202444AQI
Highest AQI recorded in
March56AQI
Lowest AQI recorded in
February38AQI
202344AQI
Highest AQI recorded in
February52AQI
Lowest AQI recorded in
November33AQI
202249AQI
Highest AQI recorded in
March68AQI
Lowest AQI recorded in
August34AQI
202146AQI
Highest AQI recorded in
March56AQI
Lowest AQI recorded in
August35AQI
202045AQI
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
October37AQI
Most & Least Polluted Years Over the Last 6 Years
Liberec's annual 2025 AQI (45) shows an average percentage change of -1.4% (improved AQI) compared to previous years: 2020 (45), 2021 (46), 2022 (49), 2023 (44), 2024 (44).
