Lyon Center, 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!
September Air Quality Analysis
Lyon Center, Lyon, Auvergne Rhone Alpes, France
AQI Trends: Highest and Lowest
Same Day Analysis (13th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Sep - 15th Sep 2025
Lyon Center, Lyon, Auvergne Rhone Alpes, France
7 AM14th Sep 2025
8 PM
6 AM15th Sep 2025
23AQI
17AQI
22AQI
15AQI
In the last 24 hours,
Lyon Center's AQI reached its highest point of 23 at 9 AM during the Day, while the lowest point, 15, was recorded at 4 AM during the Night between 14th Sep and 15th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Lyon Center, Lyon, Auvergne Rhone Alpes, France
28°C21/36°C
25°C18/32°C
25°C17/34°C
23°C17/29°C
19°C15/24°C
17°C14/20°C
20°C16/25°C
18°C12/25°C
19°C12/27°C
21°C13/29°C
23°C16/34°C
24°C18/32°C
19°C15/23°C
17°C14/21°C
18°C13/23°C
21°C14/29°C
17°C14/21°C
18°C13/24°C
21°C15/28°C
18°C15/23°C
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
--°C/°C
32AQI
29AQI
31AQI
27AQI
2025 Days Vs Air Quality
Lyon Center, Lyon, Auvergne Rhone Alpes, France
77%
198
21%
55
1%
3
Total number of days with different AQI categories in last 258 days in 2025 (107 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 258 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
Lyon Center, Lyon, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI
58AQI
55AQI
55AQI
52AQI
48AQI
37AQI
25AQI
27AQI
32AQI
37AQI
32AQI
40AQI
66AQI
83AQI
68AQI
83AQI
72AQI
95AQI
109AQI
118AQI
67AQI
50AQI
51AQI
38AQI
29AQI
26AQI
24AQI
22AQI
26AQI
30AQI
44AQI
51AQI
58AQI
64AQI
64AQI
64AQI
69AQI
41AQI
54AQI
46AQI
32AQI
32AQI
44AQI
56AQI
71AQI
87AQI
87AQI
101AQI
80AQI
68AQI
59AQI
46AQI
43AQI
51AQI
39AQI
28AQI
35AQI
30AQI
40AQI
50AQI
68AQI
75AQI
68AQI
56AQI
51AQI
50AQI
48AQI
30AQI
27AQI
40AQI
29AQI
26AQI
24AQI
25AQI
26AQI
27AQI
24AQI
27AQI
29AQI
29AQI
29AQI
30AQI
33AQI
69AQI
63AQI
48AQI
46AQI
38AQI
36AQI
37AQI
32AQI
35AQI
39AQI
36AQI
35AQI
26AQI
27AQI
28AQI
28AQI
30AQI
32AQI
30AQI
32AQI
27AQI
25AQI
24AQI
25AQI
25AQI
25AQI
23AQI
22AQI
22AQI
21AQI
23AQI
26AQI
27AQI
27AQI
30AQI
35AQI
41AQI
44AQI
46AQI
45AQI
42AQI
42AQI
41AQI
37AQI
39AQI
30AQI
26AQI
25AQI
27AQI
27AQI
34AQI
36AQI
36AQI
38AQI
37AQI
37AQI
37AQI
31AQI
32AQI
25AQI
31AQI
30AQI
31AQI
28AQI
27AQI
26AQI
30AQI
38AQI
38AQI
40AQI
39AQI
30AQI
30AQI
28AQI
44AQI
50AQI
59AQI
62AQI
62AQI
62AQI
62AQI
52AQI
37AQI
38AQI
39AQI
46AQI
52AQI
52AQI
53AQI
52AQI
53AQI
53AQI
52AQI
47AQI
44AQI
40AQI
39AQI
40AQI
49AQI
44AQI
36AQI
35AQI
33AQI
28AQI
26AQI
27AQI
26AQI
28AQI
29AQI
36AQI
43AQI
36AQI
33AQI
28AQI
25AQI
30AQI
34AQI
22AQI
18AQI
19AQI
17AQI
17AQI
21AQI
25AQI
21AQI
25AQI
26AQI
23AQI
25AQI
23AQI
22AQI
23AQI
24AQI
27AQI
29AQI
36AQI
52AQI
41AQI
50AQI
54AQI
57AQI
55AQI
52AQI
54AQI
53AQI
48AQI
50AQI
48AQI
37AQI
33AQI
29AQI
25AQI
26AQI
38AQI
44AQI
39AQI
24AQI
19AQI
18AQI
17AQI
18AQI
19AQI
27AQI
24AQI
20AQI
23AQI
29AQI
26AQI
23AQI
21AQI
22AQI
22AQI
52AQI
55AQI
41AQI
28AQI
34AQI
46AQI
29AQI
37AQI
22AQI
No. of days
202539AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
September22AQI
202437AQI
Highest AQI recorded in
January60AQI
Lowest AQI recorded in
May28AQI
202342AQI
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
November31AQI
202246AQI
Highest AQI recorded in
January72AQI
Lowest AQI recorded in
September27AQI
202139AQI
Highest AQI recorded in
January58AQI
Lowest AQI recorded in
October22AQI
202044AQI
Highest AQI recorded in
November72AQI
Lowest AQI recorded in
June32AQI
Most & Least Polluted Years Over the Last 6 Years
Lyon Center's annual 2025 AQI (39) shows an average percentage change of -5.1% (improved AQI) compared to previous years: 2020 (44), 2021 (39), 2022 (46), 2023 (42), 2024 (37).