Service Technique, Rennes, Bretagne, France Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Service Technique, Rennes, Bretagne, France
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 21 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Service Technique, Rennes, Bretagne, France
6 AM2nd Aug 2025
10 PM
5 AM3rd Aug 2025
22AQI
18AQI
22AQI
19AQI
In the last 24 hours,
Service Technique's AQI reached its highest point of 22 at 4 PM during the Day, while the lowest point, 18, was recorded at 10 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Service Technique, Rennes, Bretagne, France
21°C11/31°C
19°C11/26°C
20°C16/25°C
18°C13/23°C
18°C10/25°C
19°C9/28°C
23°C12/32°C
25°C16/34°C
26°C18/35°C
23°C18/31°C
19°C15/24°C
19°C13/23°C
20°C16/26°C
21°C14/28°C
21°C15/29°C
19°C17/23°C
17°C16/20°C
18°C16/23°C
18°C14/22°C
17°C13/22°C
17°C12/23°C
18°C13/24°C
19°C13/23°C
16°C13/19°C
18°C13/23°C
17°C13/22°C
20°C14/26°C
19°C13/24°C
19°C13/25°C
17°C11/24°C
--°C/°C
26AQI
24AQI
24AQI
24AQI
2025 Days Vs Air Quality
Service Technique, Rennes, Bretagne, France
80%
171
20%
42
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 215 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
Service Technique, Rennes, Bretagne, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
39AQI
42AQI
44AQI
35AQI
29AQI
29AQI
33AQI
35AQI
30AQI
41AQI
60AQI
58AQI
81AQI
101AQI
54AQI
68AQI
68AQI
57AQI
57AQI
57AQI
53AQI
37AQI
31AQI
30AQI
34AQI
30AQI
40AQI
33AQI
34AQI
43AQI
34AQI
59AQI
51AQI
42AQI
41AQI
49AQI
48AQI
42AQI
52AQI
38AQI
56AQI
67AQI
69AQI
63AQI
76AQI
76AQI
84AQI
83AQI
68AQI
36AQI
51AQI
35AQI
24AQI
29AQI
26AQI
26AQI
29AQI
36AQI
45AQI
55AQI
61AQI
74AQI
76AQI
45AQI
40AQI
30AQI
28AQI
34AQI
51AQI
33AQI
32AQI
39AQI
35AQI
62AQI
67AQI
54AQI
34AQI
28AQI
35AQI
22AQI
28AQI
44AQI
72AQI
60AQI
58AQI
40AQI
25AQI
22AQI
40AQI
33AQI
30AQI
24AQI
29AQI
30AQI
44AQI
27AQI
40AQI
56AQI
54AQI
50AQI
41AQI
31AQI
23AQI
24AQI
15AQI
15AQI
18AQI
15AQI
24AQI
32AQI
22AQI
19AQI
22AQI
48AQI
58AQI
67AQI
49AQI
31AQI
29AQI
33AQI
37AQI
46AQI
38AQI
18AQI
26AQI
31AQI
38AQI
37AQI
27AQI
19AQI
21AQI
20AQI
25AQI
36AQI
34AQI
37AQI
35AQI
35AQI
42AQI
36AQI
32AQI
31AQI
27AQI
19AQI
25AQI
24AQI
20AQI
20AQI
19AQI
22AQI
29AQI
22AQI
24AQI
20AQI
18AQI
20AQI
16AQI
21AQI
42AQI
57AQI
44AQI
49AQI
40AQI
33AQI
24AQI
26AQI
28AQI
30AQI
34AQI
42AQI
51AQI
54AQI
32AQI
27AQI
26AQI
21AQI
16AQI
16AQI
16AQI
21AQI
28AQI
24AQI
21AQI
19AQI
19AQI
17AQI
17AQI
19AQI
19AQI
22AQI
23AQI
22AQI
26AQI
27AQI
25AQI
35AQI
27AQI
22AQI
20AQI
21AQI
21AQI
19AQI
16AQI
31AQI
49AQI
52AQI
30AQI
30AQI
26AQI
20AQI
22AQI
21AQI
21AQI
46AQI
50AQI
44AQI
33AQI
29AQI
30AQI
25AQI
21AQI
No. of days
202536AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
August21AQI
202432AQI
Highest AQI recorded in
November42AQI
Lowest AQI recorded in
July23AQI
202333AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
December33AQI
202021AQI
Highest AQI recorded in
September21AQI
Lowest AQI recorded in
September21AQI
Most & Least Polluted Years Over the Last 4 Years
Service Technique's annual 2025 AQI (36) shows an average percentage change of 31.9% (worsened AQI) compared to previous years: 2020 (21), 2023 (33), 2024 (32).