Sainte Foy Les Lyon, Auvergne Rhone Alpes, 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
Sainte Foy Les Lyon, Auvergne Rhone Alpes, France
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 64 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Sainte Foy Les Lyon, Auvergne Rhone Alpes, France
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
69AQI
44AQI
60AQI
44AQI
In the last 24 hours,
Sainte Foy Les Lyon's AQI reached its highest point of 69 at 9 AM during the Day, while the lowest point, 44, was recorded at 6 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sainte Foy Les Lyon, Auvergne Rhone Alpes, France
16°C12/22°C
17°C11/26°C
22°C15/30°C
19°C17/21°C
18°C15/23°C
19°C13/25°C
18°C15/22°C
18°C14/23°C
16°C13/23°C
17°C14/22°C
21°C17/27°C
17°C13/21°C
17°C11/23°C
20°C14/27°C
22°C15/32°C
24°C17/31°C
18°C13/24°C
13°C10/16°C
12°C9/14°C
12°C10/14°C
12°C9/15°C
10°C8/12°C
13°C8/18°C
13°C8/19°C
14°C9/19°C
14°C9/20°C
13°C9/19°C
12°C7/17°C
13°C9/18°C
16°C11/23°C
--°C/°C
30AQI
25AQI
27AQI
25AQI
2025 Days Vs Air Quality
Sainte Foy Les Lyon, Auvergne Rhone Alpes, France
77%
213
22%
60
1%
4
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 278 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
Sainte Foy Les Lyon, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
57AQI
36AQI
53AQI
28AQI
33AQI
31AQI
23AQI
26AQI
34AQI
37AQI
33AQI
42AQI
73AQI
95AQI
67AQI
93AQI
76AQI
104AQI
129AQI
136AQI
65AQI
45AQI
51AQI
32AQI
25AQI
23AQI
22AQI
24AQI
29AQI
32AQI
46AQI
53AQI
59AQI
67AQI
66AQI
65AQI
71AQI
37AQI
55AQI
48AQI
29AQI
34AQI
49AQI
58AQI
72AQI
94AQI
94AQI
113AQI
86AQI
70AQI
58AQI
43AQI
37AQI
51AQI
38AQI
29AQI
35AQI
30AQI
39AQI
51AQI
71AQI
78AQI
69AQI
55AQI
51AQI
49AQI
49AQI
28AQI
26AQI
44AQI
35AQI
35AQI
34AQI
36AQI
35AQI
36AQI
34AQI
33AQI
34AQI
35AQI
35AQI
37AQI
40AQI
76AQI
66AQI
45AQI
45AQI
37AQI
32AQI
29AQI
31AQI
34AQI
37AQI
36AQI
33AQI
27AQI
28AQI
54AQI
61AQI
71AQI
75AQI
75AQI
70AQI
68AQI
50AQI
34AQI
29AQI
26AQI
26AQI
24AQI
23AQI
23AQI
23AQI
24AQI
26AQI
30AQI
26AQI
29AQI
33AQI
36AQI
37AQI
38AQI
37AQI
34AQI
31AQI
32AQI
34AQI
36AQI
29AQI
25AQI
25AQI
26AQI
32AQI
30AQI
28AQI
30AQI
31AQI
31AQI
32AQI
34AQI
26AQI
30AQI
24AQI
27AQI
26AQI
27AQI
26AQI
25AQI
24AQI
30AQI
36AQI
34AQI
34AQI
35AQI
27AQI
28AQI
26AQI
41AQI
52AQI
59AQI
62AQI
60AQI
60AQI
61AQI
48AQI
33AQI
35AQI
39AQI
44AQI
51AQI
51AQI
53AQI
52AQI
53AQI
52AQI
49AQI
48AQI
42AQI
33AQI
33AQI
39AQI
46AQI
43AQI
38AQI
33AQI
29AQI
24AQI
20AQI
20AQI
26AQI
30AQI
31AQI
35AQI
40AQI
36AQI
31AQI
27AQI
23AQI
27AQI
32AQI
20AQI
18AQI
18AQI
16AQI
17AQI
20AQI
24AQI
19AQI
22AQI
23AQI
21AQI
26AQI
23AQI
21AQI
23AQI
24AQI
27AQI
27AQI
34AQI
50AQI
37AQI
50AQI
53AQI
57AQI
54AQI
51AQI
54AQI
52AQI
46AQI
49AQI
48AQI
37AQI
32AQI
28AQI
25AQI
25AQI
37AQI
43AQI
38AQI
23AQI
19AQI
17AQI
16AQI
17AQI
19AQI
24AQI
23AQI
19AQI
22AQI
28AQI
25AQI
22AQI
20AQI
21AQI
22AQI
21AQI
18AQI
19AQI
20AQI
23AQI
27AQI
24AQI
21AQI
14AQI
13AQI
13AQI
15AQI
15AQI
27AQI
21AQI
34AQI
37AQI
50AQI
49AQI
65AQI
64AQI
52AQI
57AQI
44AQI
39AQI
30AQI
44AQI
27AQI
36AQI
21AQI
57AQI
No. of days
202539AQI
Highest AQI recorded in
October57AQI
Lowest AQI recorded in
September21AQI
202435AQI
Highest AQI recorded in
January64AQI
Lowest AQI recorded in
May21AQI
202338AQI
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
May26AQI
202247AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
September27AQI
202139AQI
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
July21AQI
202039AQI
Highest AQI recorded in
November69AQI
Lowest AQI recorded in
June30AQI
Most & Least Polluted Years Over the Last 6 Years
Sainte Foy Les Lyon's annual 2025 AQI (39) shows an average percentage change of -0.2% (improved AQI) compared to previous years: 2020 (39), 2021 (39), 2022 (47), 2023 (38), 2024 (35).