Le Puy Causano, Saint Etienne, 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
Le Puy Causano, Saint Etienne, Auvergne Rhone Alpes, France
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Le Puy Causano, Saint Etienne, Auvergne Rhone Alpes, France
7 AM19th Oct 2025
7 PM
6 AM20th Oct 2025
64AQI
40AQI
60AQI
20AQI
In the last 24 hours,
Le Puy Causano's AQI reached its highest point of 64 at 2 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Le Puy Causano, Saint Etienne, Auvergne Rhone Alpes, France
19°C14/26°C
13°C10/18°C
9°C6/13°C
7°C5/11°C
6°C3/11°C
7°C5/11°C
7°C6/9°C
8°C2/17°C
11°C4/19°C
10°C4/18°C
10°C4/17°C
9°C4/16°C
8°C2/17°C
11°C5/18°C
11°C5/15°C
7°C2/13°C
7°C1/15°C
9°C3/19°C
12°C7/21°C
9°C5/13°C
9°C4/17°C
11°C4/21°C
12°C6/22°C
11°C6/21°C
11°C6/20°C
9°C4/16°C
8°C2/17°C
8°C3/18°C
9°C2/19°C
10°C4/15°C
--°C/°C
43AQI
43AQI
52AQI
45AQI
2025 Days Vs Air Quality
Le Puy Causano, Saint Etienne, Auvergne Rhone Alpes, France
85%
249
15%
43
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 293 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
Le Puy Causano, Saint Etienne, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
65AQI
61AQI
58AQI
57AQI
56AQI
56AQI
54AQI
47AQI
40AQI
35AQI
32AQI
31AQI
37AQI
49AQI
55AQI
54AQI
53AQI
54AQI
55AQI
54AQI
51AQI
42AQI
37AQI
38AQI
33AQI
30AQI
32AQI
31AQI
29AQI
28AQI
27AQI
31AQI
32AQI
37AQI
40AQI
43AQI
45AQI
46AQI
41AQI
36AQI
37AQI
32AQI
32AQI
35AQI
35AQI
40AQI
41AQI
47AQI
52AQI
52AQI
51AQI
48AQI
42AQI
38AQI
37AQI
36AQI
31AQI
28AQI
30AQI
30AQI
37AQI
40AQI
41AQI
43AQI
43AQI
42AQI
45AQI
41AQI
33AQI
29AQI
30AQI
28AQI
26AQI
28AQI
25AQI
27AQI
26AQI
23AQI
25AQI
28AQI
30AQI
30AQI
31AQI
36AQI
44AQI
49AQI
49AQI
43AQI
41AQI
34AQI
31AQI
31AQI
33AQI
34AQI
36AQI
33AQI
27AQI
24AQI
17AQI
15AQI
29AQI
32AQI
30AQI
25AQI
16AQI
20AQI
21AQI
13AQI
21AQI
22AQI
17AQI
14AQI
15AQI
17AQI
19AQI
19AQI
21AQI
21AQI
21AQI
23AQI
25AQI
29AQI
34AQI
35AQI
31AQI
27AQI
25AQI
26AQI
25AQI
24AQI
24AQI
18AQI
19AQI
20AQI
23AQI
23AQI
24AQI
25AQI
26AQI
24AQI
24AQI
23AQI
23AQI
23AQI
23AQI
23AQI
23AQI
23AQI
22AQI
22AQI
24AQI
26AQI
25AQI
27AQI
26AQI
23AQI
22AQI
22AQI
32AQI
46AQI
53AQI
55AQI
55AQI
56AQI
55AQI
50AQI
34AQI
32AQI
34AQI
36AQI
38AQI
39AQI
39AQI
46AQI
43AQI
42AQI
38AQI
35AQI
32AQI
25AQI
30AQI
31AQI
37AQI
38AQI
39AQI
36AQI
30AQI
24AQI
21AQI
22AQI
24AQI
27AQI
32AQI
32AQI
35AQI
33AQI
33AQI
30AQI
25AQI
28AQI
28AQI
23AQI
20AQI
18AQI
18AQI
19AQI
21AQI
22AQI
22AQI
23AQI
23AQI
24AQI
30AQI
27AQI
29AQI
31AQI
35AQI
42AQI
33AQI
37AQI
48AQI
47AQI
51AQI
54AQI
55AQI
53AQI
46AQI
50AQI
52AQI
48AQI
49AQI
46AQI
37AQI
32AQI
29AQI
29AQI
27AQI
36AQI
40AQI
33AQI
23AQI
19AQI
18AQI
19AQI
20AQI
23AQI
25AQI
25AQI
26AQI
23AQI
30AQI
28AQI
22AQI
22AQI
23AQI
23AQI
25AQI
20AQI
20AQI
21AQI
22AQI
23AQI
25AQI
23AQI
17AQI
14AQI
13AQI
20AQI
30AQI
16AQI
15AQI
35AQI
41AQI
49AQI
58AQI
59AQI
51AQI
39AQI
50AQI
54AQI
60AQI
51AQI
56AQI
62AQI
61AQI
68AQI
71AQI
70AQI
72AQI
71AQI
69AQI
61AQI
45AQI
39AQI
35AQI
23AQI
25AQI
37AQI
27AQI
38AQI
23AQI
60AQI
No. of days
202534AQI
Highest AQI recorded in
October60AQI
Lowest AQI recorded in
September23AQI
202428AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
January21AQI
202325AQI
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
November19AQI
202225AQI
Highest AQI recorded in
August39AQI
Lowest AQI recorded in
November13AQI
202124AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
December17AQI
202024AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
October19AQI
Most & Least Polluted Years Over the Last 6 Years
Le Puy Causano's annual 2025 AQI (34) shows an average percentage change of 36.5% (worsened AQI) compared to previous years: 2020 (24), 2021 (24), 2022 (25), 2023 (25), 2024 (28).