Plzen Lochotin, Plzen, Plzensky 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
Plzen Lochotin, Plzen, Plzensky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 33 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Plzen Lochotin, Plzen, Plzensky Kraj, Czechia
6 AM20th Sep 2025
7 PM
5 AM21st Sep 2025
47AQI
30AQI
58AQI
31AQI
In the last 24 hours,
Plzen Lochotin's AQI reached its highest point of 58 at 3 AM during the Night, while the lowest point, 30, was recorded at 6 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Plzen Lochotin, Plzen, Plzensky Kraj, Czechia
15°C10/21°C
13°C9/17°C
13°C6/21°C
15°C7/23°C
17°C10/26°C
20°C13/27°C
20°C15/29°C
17°C14/21°C
17°C12/22°C
18°C12/25°C
19°C12/26°C
17°C14/21°C
17°C12/23°C
19°C13/26°C
16°C13/21°C
16°C12/21°C
16°C11/21°C
16°C11/23°C
17°C11/23°C
15°C12/20°C
15°C11/21°C
14°C11/18°C
15°C10/21°C
14°C10/17°C
16°C10/21°C
14°C11/19°C
13°C9/19°C
17°C11/24°C
18°C12/26°C
19°C12/28°C
--°C/°C
26AQI
22AQI
24AQI
22AQI
2025 Days Vs Air Quality
Plzen Lochotin, Plzen, Plzensky Kraj, Czechia
73%
191
23%
60
5%
12
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 264 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
Plzen Lochotin, Plzen, Plzensky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
66AQI
32AQI
28AQI
33AQI
71AQI
98AQI
28AQI
26AQI
29AQI
24AQI
24AQI
26AQI
37AQI
80AQI
46AQI
61AQI
50AQI
74AQI
81AQI
78AQI
86AQI
79AQI
56AQI
42AQI
67AQI
55AQI
51AQI
24AQI
24AQI
63AQI
47AQI
58AQI
55AQI
90AQI
113AQI
96AQI
55AQI
63AQI
97AQI
103AQI
107AQI
91AQI
84AQI
74AQI
85AQI
60AQI
59AQI
74AQI
67AQI
79AQI
101AQI
133AQI
104AQI
134AQI
89AQI
101AQI
62AQI
37AQI
38AQI
50AQI
49AQI
70AQI
78AQI
80AQI
87AQI
104AQI
116AQI
116AQI
109AQI
63AQI
74AQI
55AQI
58AQI
60AQI
53AQI
42AQI
46AQI
50AQI
66AQI
65AQI
58AQI
63AQI
69AQI
71AQI
62AQI
45AQI
65AQI
80AQI
36AQI
24AQI
32AQI
37AQI
48AQI
42AQI
47AQI
19AQI
24AQI
36AQI
46AQI
38AQI
36AQI
35AQI
40AQI
48AQI
32AQI
39AQI
43AQI
27AQI
27AQI
32AQI
20AQI
18AQI
26AQI
26AQI
29AQI
31AQI
25AQI
29AQI
35AQI
35AQI
49AQI
46AQI
47AQI
24AQI
24AQI
21AQI
29AQI
24AQI
25AQI
31AQI
25AQI
28AQI
37AQI
39AQI
30AQI
20AQI
20AQI
17AQI
19AQI
31AQI
35AQI
33AQI
26AQI
26AQI
29AQI
26AQI
25AQI
20AQI
15AQI
20AQI
31AQI
33AQI
28AQI
35AQI
28AQI
23AQI
17AQI
16AQI
22AQI
23AQI
51AQI
44AQI
46AQI
49AQI
37AQI
52AQI
34AQI
32AQI
45AQI
52AQI
34AQI
34AQI
36AQI
46AQI
30AQI
28AQI
37AQI
29AQI
27AQI
28AQI
28AQI
28AQI
36AQI
44AQI
31AQI
34AQI
37AQI
26AQI
21AQI
21AQI
20AQI
23AQI
23AQI
28AQI
36AQI
33AQI
40AQI
24AQI
24AQI
28AQI
38AQI
40AQI
23AQI
18AQI
27AQI
32AQI
36AQI
35AQI
25AQI
25AQI
23AQI
22AQI
22AQI
23AQI
21AQI
22AQI
23AQI
22AQI
23AQI
39AQI
46AQI
56AQI
44AQI
39AQI
50AQI
58AQI
63AQI
62AQI
52AQI
30AQI
28AQI
36AQI
44AQI
32AQI
23AQI
19AQI
20AQI
26AQI
37AQI
49AQI
26AQI
22AQI
21AQI
19AQI
20AQI
18AQI
19AQI
19AQI
17AQI
20AQI
23AQI
31AQI
31AQI
26AQI
19AQI
18AQI
19AQI
15AQI
17AQI
17AQI
19AQI
24AQI
33AQI
51AQI
82AQI
67AQI
33AQI
28AQI
34AQI
29AQI
35AQI
21AQI
No. of days
202543AQI
Highest AQI recorded in
February82AQI
Lowest AQI recorded in
September21AQI
202444AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
May34AQI
202340AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
November30AQI
202249AQI
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
August28AQI
202146AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
May28AQI
202043AQI
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
July33AQI
Most & Least Polluted Years Over the Last 6 Years
Plzen Lochotin's annual 2025 AQI (43) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (43), 2021 (46), 2022 (49), 2023 (40), 2024 (44).