Trier, Rhineland Palatinate, Germany 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
Trier, Rhineland Palatinate, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Trier, Rhineland Palatinate, Germany
7 AM17th Oct 2025
7 PM
6 AM18th Oct 2025
68AQI
50AQI
65AQI
52AQI
In the last 24 hours,
Trier's AQI reached its highest point of 68 at 8 AM during the Day, while the lowest point, 50, was recorded at 4 PM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Trier, Rhineland Palatinate, Germany
15°C10/22°C
18°C11/27°C
19°C13/26°C
14°C11/16°C
11°C10/12°C
11°C9/14°C
9°C8/10°C
8°C6/8°C
10°C6/13°C
11°C7/15°C
12°C6/19°C
12°C7/18°C
12°C8/17°C
10°C6/16°C
8°C3/15°C
9°C5/14°C
11°C9/16°C
11°C9/13°C
10°C7/12°C
13°C10/17°C
13°C10/18°C
11°C8/16°C
11°C6/18°C
11°C6/18°C
10°C6/17°C
11°C7/15°C
11°C6/16°C
12°C8/15°C
11°C9/14°C
10°C6/15°C
--°C/°C
43AQI
43AQI
46AQI
42AQI
2025 Days Vs Air Quality
Trier, Rhineland Palatinate, Germany
74%
216
25%
73
0.3%
1
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 291 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
Trier, Rhineland Palatinate, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI
28AQI
38AQI
43AQI
46AQI
27AQI
28AQI
26AQI
26AQI
32AQI
54AQI
51AQI
49AQI
62AQI
81AQI
57AQI
57AQI
58AQI
76AQI
92AQI
84AQI
71AQI
51AQI
28AQI
25AQI
29AQI
27AQI
28AQI
27AQI
32AQI
32AQI
44AQI
54AQI
75AQI
87AQI
87AQI
60AQI
50AQI
73AQI
89AQI
111AQI
69AQI
59AQI
67AQI
89AQI
65AQI
60AQI
57AQI
66AQI
76AQI
86AQI
61AQI
50AQI
27AQI
35AQI
33AQI
28AQI
27AQI
30AQI
56AQI
57AQI
59AQI
58AQI
56AQI
62AQI
58AQI
60AQI
75AQI
69AQI
53AQI
71AQI
56AQI
68AQI
48AQI
62AQI
50AQI
26AQI
42AQI
49AQI
49AQI
32AQI
23AQI
28AQI
66AQI
75AQI
47AQI
51AQI
53AQI
33AQI
33AQI
39AQI
30AQI
46AQI
46AQI
41AQI
21AQI
22AQI
24AQI
39AQI
51AQI
54AQI
45AQI
32AQI
47AQI
35AQI
23AQI
27AQI
21AQI
28AQI
27AQI
20AQI
31AQI
32AQI
26AQI
38AQI
50AQI
25AQI
29AQI
46AQI
37AQI
40AQI
45AQI
46AQI
35AQI
25AQI
22AQI
29AQI
30AQI
22AQI
25AQI
27AQI
23AQI
28AQI
37AQI
43AQI
25AQI
40AQI
39AQI
37AQI
29AQI
36AQI
37AQI
24AQI
23AQI
25AQI
22AQI
25AQI
20AQI
20AQI
22AQI
27AQI
26AQI
36AQI
46AQI
36AQI
22AQI
17AQI
19AQI
19AQI
23AQI
49AQI
42AQI
42AQI
52AQI
57AQI
45AQI
34AQI
32AQI
40AQI
46AQI
37AQI
35AQI
35AQI
40AQI
31AQI
28AQI
30AQI
28AQI
24AQI
23AQI
25AQI
29AQI
36AQI
38AQI
31AQI
27AQI
24AQI
21AQI
21AQI
23AQI
25AQI
26AQI
25AQI
28AQI
30AQI
33AQI
29AQI
25AQI
25AQI
32AQI
32AQI
20AQI
16AQI
18AQI
20AQI
26AQI
36AQI
35AQI
27AQI
27AQI
25AQI
23AQI
22AQI
22AQI
21AQI
23AQI
24AQI
28AQI
25AQI
28AQI
33AQI
37AQI
50AQI
47AQI
55AQI
59AQI
62AQI
57AQI
50AQI
28AQI
33AQI
42AQI
48AQI
32AQI
26AQI
27AQI
24AQI
31AQI
40AQI
37AQI
24AQI
18AQI
18AQI
17AQI
17AQI
18AQI
21AQI
20AQI
22AQI
22AQI
28AQI
28AQI
25AQI
21AQI
19AQI
18AQI
17AQI
15AQI
19AQI
20AQI
20AQI
24AQI
32AQI
31AQI
20AQI
18AQI
18AQI
21AQI
17AQI
26AQI
25AQI
51AQI
60AQI
57AQI
51AQI
52AQI
43AQI
37AQI
50AQI
58AQI
55AQI
55AQI
61AQI
70AQI
76AQI
72AQI
56AQI
63AQI
61AQI
60AQI
45AQI
61AQI
52AQI
34AQI
30AQI
34AQI
27AQI
35AQI
24AQI
57AQI
No. of days
202539AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
September24AQI
202437AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
October31AQI
202332AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
January13AQI
202214AQI
Highest AQI recorded in
March25AQI
Lowest AQI recorded in
June8AQI
202113AQI
Highest AQI recorded in
February21AQI
Lowest AQI recorded in
May7AQI
202014AQI
Highest AQI recorded in
April20AQI
Lowest AQI recorded in
July7AQI
Most & Least Polluted Years Over the Last 6 Years
Trier's annual 2025 AQI (39) shows an average percentage change of 117.008% (worsened AQI) compared to previous years: 2020 (14), 2021 (13), 2022 (14), 2023 (32), 2024 (37).