Teplice, Ustecky Kraj, Czechia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Teplice, Ustecky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (8th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 55 of Moderate air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Oct - 9th Oct 2025
Teplice, Ustecky Kraj, Czechia
6 AM8th Oct 2025
7 PM
5 AM9th Oct 2025
76AQI
48AQI
99AQI
51AQI
In the last 24 hours,
Teplice's AQI reached its highest point of 99 at 9 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 8th Oct and 9th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Teplice, Ustecky Kraj, Czechia
17°C10/23°C
16°C13/21°C
15°C10/22°C
14°C9/21°C
14°C9/21°C
12°C10/17°C
15°C10/22°C
14°C12/18°C
14°C10/18°C
17°C12/24°C
18°C12/26°C
19°C13/27°C
19°C13/28°C
9°C6/11°C
10°C5/15°C
10°C5/15°C
6°C4/8°C
9°C6/12°C
12°C7/17°C
12°C6/19°C
9°C4/15°C
8°C4/13°C
6°C2/11°C
7°C2/12°C
9°C6/13°C
6°C3/9°C
9°C7/12°C
9°C7/12°C
10°C7/14°C
11°C9/13°C
--°C/°C
39AQI
31AQI
38AQI
32AQI
2025 Days Vs Air Quality
Teplice, Ustecky Kraj, Czechia
71%
200
23%
66
4%
12
1%
3
Total number of days with different AQI categories in last 282 days in 2025 (83 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 282 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
Teplice, Ustecky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
79AQI
36AQI
29AQI
34AQI
64AQI
77AQI
57AQI
39AQI
49AQI
30AQI
30AQI
32AQI
39AQI
79AQI
49AQI
48AQI
63AQI
87AQI
93AQI
73AQI
84AQI
76AQI
65AQI
78AQI
71AQI
67AQI
65AQI
52AQI
32AQI
74AQI
53AQI
66AQI
51AQI
96AQI
120AQI
129AQI
48AQI
52AQI
90AQI
99AQI
112AQI
102AQI
92AQI
71AQI
96AQI
52AQI
75AQI
73AQI
78AQI
89AQI
101AQI
132AQI
93AQI
158AQI
157AQI
160AQI
101AQI
51AQI
46AQI
43AQI
50AQI
70AQI
73AQI
99AQI
113AQI
111AQI
101AQI
102AQI
113AQI
100AQI
89AQI
40AQI
66AQI
61AQI
49AQI
35AQI
43AQI
64AQI
77AQI
80AQI
63AQI
61AQI
91AQI
99AQI
80AQI
37AQI
61AQI
86AQI
33AQI
28AQI
31AQI
39AQI
47AQI
44AQI
48AQI
21AQI
19AQI
27AQI
38AQI
37AQI
38AQI
47AQI
50AQI
54AQI
43AQI
55AQI
55AQI
35AQI
21AQI
40AQI
33AQI
27AQI
26AQI
41AQI
35AQI
30AQI
32AQI
38AQI
44AQI
45AQI
58AQI
48AQI
50AQI
27AQI
22AQI
24AQI
30AQI
23AQI
29AQI
37AQI
27AQI
32AQI
37AQI
38AQI
31AQI
21AQI
19AQI
21AQI
22AQI
33AQI
39AQI
32AQI
25AQI
22AQI
30AQI
26AQI
26AQI
20AQI
17AQI
19AQI
33AQI
36AQI
31AQI
49AQI
36AQI
22AQI
20AQI
16AQI
24AQI
24AQI
43AQI
41AQI
50AQI
46AQI
40AQI
46AQI
36AQI
37AQI
44AQI
48AQI
39AQI
37AQI
32AQI
42AQI
36AQI
30AQI
34AQI
32AQI
30AQI
29AQI
28AQI
28AQI
36AQI
42AQI
37AQI
35AQI
37AQI
33AQI
24AQI
22AQI
22AQI
21AQI
22AQI
27AQI
33AQI
35AQI
33AQI
27AQI
21AQI
28AQI
36AQI
41AQI
31AQI
24AQI
25AQI
33AQI
32AQI
30AQI
30AQI
29AQI
25AQI
23AQI
25AQI
27AQI
22AQI
24AQI
27AQI
24AQI
27AQI
34AQI
41AQI
51AQI
41AQI
39AQI
47AQI
57AQI
62AQI
61AQI
48AQI
32AQI
28AQI
35AQI
38AQI
29AQI
23AQI
18AQI
20AQI
26AQI
35AQI
48AQI
32AQI
26AQI
23AQI
23AQI
22AQI
21AQI
30AQI
20AQI
19AQI
22AQI
24AQI
33AQI
38AQI
28AQI
20AQI
19AQI
23AQI
21AQI
19AQI
18AQI
23AQI
26AQI
36AQI
50AQI
23AQI
20AQI
18AQI
19AQI
25AQI
27AQI
42AQI
38AQI
30AQI
45AQI
54AQI
56AQI
63AQI
52AQI
41AQI
52AQI
55AQI
58AQI
93AQI
72AQI
38AQI
30AQI
35AQI
30AQI
35AQI
26AQI
52AQI
No. of days
202546AQI
Highest AQI recorded in
February93AQI
Lowest AQI recorded in
September26AQI
202450AQI
Highest AQI recorded in
January65AQI
Lowest AQI recorded in
May40AQI
202347AQI
Highest AQI recorded in
December60AQI
Lowest AQI recorded in
November38AQI
202252AQI
Highest AQI recorded in
March69AQI
Lowest AQI recorded in
August36AQI
202149AQI
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
August36AQI
202047AQI
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
May39AQI
Most & Least Polluted Years Over the Last 6 Years
Teplice's annual 2025 AQI (46) shows an average percentage change of -6.2% (improved AQI) compared to previous years: 2020 (47), 2021 (49), 2022 (52), 2023 (47), 2024 (50).