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 (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 22 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Liberec, Liberecky Kraj, Czechia
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
49AQI
8AQI
28AQI
8AQI
In the last 24 hours,
Liberec's AQI reached its highest point of 49 at 9 AM during the Day, while the lowest point, 8, was recorded at 11 PM during the Night between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Liberec, Liberecky Kraj, Czechia
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
13°C10/14°C
15°C8/22°C
33AQI
25AQI
31AQI
26AQI
2026 Days Vs Air Quality
Liberec, Liberecky Kraj, Czechia
78%
118
19%
29
3%
4
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 155 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)
57AQI (US)
44AQI (US)
41AQI (US)
30AQI (US)
30AQI (US)
23AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
June23AQI (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) (40) shows an average percentage change of -11.2% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (46), 2022 (49), 2023 (44), 2024 (44), 2025 (43).