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!
June Air Quality Analysis
Liberec, Liberecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Liberec, Liberecky Kraj, Czechia
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
30AQI
12AQI
30AQI
17AQI
In the last 24 hours,
Liberec's AQI reached its highest point of 30 at 5 PM during the Day, while the lowest point, 12, was recorded at 6 AM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Liberec, Liberecky Kraj, Czechia
16°C10/22°C
15°C11/21°C
14°C10/20°C
10°C7/13°C
8°C6/10°C
10°C3/16°C
12°C5/19°C
12°C7/18°C
6°C4/11°C
6°C1/11°C
9°C6/14°C
9°C3/14°C
8°C4/13°C
9°C2/15°C
10°C4/16°C
12°C6/17°C
12°C8/17°C
13°C8/18°C
15°C9/20°C
18°C10/24°C
20°C13/27°C
17°C11/23°C
19°C12/25°C
17°C9/22°C
12°C5/19°C
15°C7/22°C
16°C12/22°C
17°C10/23°C
15°C11/19°C
16°C9/22°C
32AQI
27AQI
33AQI
27AQI
2026 Days Vs Air Quality
Liberec, Liberecky Kraj, Czechia
78%
117
19%
29
3%
4
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 153 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)
57AQI (US)
44AQI (US)
41AQI (US)
30AQI (US)
30AQI (US)
24AQI (US)
No. of days
202641AQI (US)
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
June24AQI (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) (41) shows an average percentage change of -9.06% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (46), 2022 (49), 2023 (44), 2024 (44), 2025 (43).