Triangle, Rennes, Bretagne, France 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
Triangle, Rennes, Bretagne, France
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Triangle, Rennes, Bretagne, France
7 AM2nd Oct 2026
8 PM
6 AM3rd Oct 2026
40AQI
13AQI
34AQI
16AQI
In the last 24 hours,
Triangle's AQI reached its highest point of 40 at 9 AM during the Day, while the lowest point, 13, was recorded at 6 PM during the Day between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Triangle, Rennes, Bretagne, France
21°C16/28°C
19°C13/27°C
22°C15/32°C
20°C16/26°C
16°C13/21°C
15°C10/20°C
16°C10/23°C
17°C12/24°C
18°C13/26°C
20°C14/29°C
21°C15/30°C
19°C12/27°C
16°C11/22°C
14°C10/20°C
15°C9/22°C
17°C11/25°C
18°C13/25°C
18°C13/26°C
19°C12/27°C
19°C14/27°C
20°C13/29°C
20°C14/29°C
16°C13/22°C
17°C13/22°C
16°C14/18°C
20°C16/27°C
20°C16/23°C
16°C12/21°C
15°C10/21°C
16°C12/21°C
35AQI
22AQI
29AQI
24AQI
2026 Days Vs Air Quality
Triangle, Rennes, Bretagne, France
94%
257
5%
15
0.3%
1
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Triangle, Rennes, Bretagne, France
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
90AQI (US)
29AQI (US)
58AQI (US)
73AQI (US)
42AQI (US)
40AQI (US)
41AQI (US)
21AQI (US)
17AQI (US)
17AQI (US)
43AQI (US)
11AQI (US)
26AQI (US)
43AQI (US)
17AQI (US)
18AQI (US)
29AQI (US)
39AQI (US)
38AQI (US)
25AQI (US)
14AQI (US)
28AQI (US)
46AQI (US)
30AQI (US)
39AQI (US)
34AQI (US)
20AQI (US)
42AQI (US)
43AQI (US)
47AQI (US)
32AQI (US)
41AQI (US)
43AQI (US)
22AQI (US)
16AQI (US)
26AQI (US)
32AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
22AQI (US)
38AQI (US)
32AQI (US)
14AQI (US)
42AQI (US)
17AQI (US)
28AQI (US)
38AQI (US)
29AQI (US)
35AQI (US)
36AQI (US)
18AQI (US)
31AQI (US)
32AQI (US)
31AQI (US)
42AQI (US)
39AQI (US)
18AQI (US)
25AQI (US)
30AQI (US)
43AQI (US)
53AQI (US)
53AQI (US)
51AQI (US)
51AQI (US)
77AQI (US)
61AQI (US)
39AQI (US)
26AQI (US)
19AQI (US)
40AQI (US)
23AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
31AQI (US)
27AQI (US)
40AQI (US)
75AQI (US)
113AQI (US)
76AQI (US)
73AQI (US)
69AQI (US)
26AQI (US)
18AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
22AQI (US)
28AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
25AQI (US)
27AQI (US)
32AQI (US)
43AQI (US)
27AQI (US)
23AQI (US)
16AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
19AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
24AQI (US)
32AQI (US)
16AQI (US)
12AQI (US)
23AQI (US)
20AQI (US)
25AQI (US)
35AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
38AQI (US)
34AQI (US)
40AQI (US)
58AQI (US)
38AQI (US)
34AQI (US)
38AQI (US)
29AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
20AQI (US)
21AQI (US)
21AQI (US)
21AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
25AQI (US)
40AQI (US)
23AQI (US)
20AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
38AQI (US)
54AQI (US)
29AQI (US)
33AQI (US)
24AQI (US)
15AQI (US)
17AQI (US)
21AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
24AQI (US)
21AQI (US)
16AQI (US)
19AQI (US)
17AQI (US)
23AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
35AQI (US)
49AQI (US)
41AQI (US)
28AQI (US)
33AQI (US)
36AQI (US)
46AQI (US)
38AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
43AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
33AQI (US)
34AQI (US)
39AQI (US)
30AQI (US)
25AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
21AQI (US)
25AQI (US)
23AQI (US)
21AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
34AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
14AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
27AQI (US)
23AQI (US)
19AQI (US)
25AQI (US)
30AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
24AQI (US)
27AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
30AQI (US)
41AQI (US)
26AQI (US)
31AQI (US)
25AQI (US)
38AQI (US)
31AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
35AQI (US)
30AQI (US)
43AQI (US)
26AQI (US)
29AQI (US)
24AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
February52AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
January44AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
November45AQI (US)
Lowest AQI (US) recorded in
December36AQI (US)
202021AQI (US)
Highest AQI (US) recorded in
September21AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Triangle's annual 2026 AQI (US) (30) shows an average percentage change of -0.8% (improved AQI (US)) compared to previous years: 2020 (21), 2023 (37), 2024 (32), 2025 (38).