Saint Etienne Sud, 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
Saint Etienne Sud, Saint Etienne, Auvergne Rhone Alpes, France
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 84 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Saint Etienne Sud, Saint Etienne, Auvergne Rhone Alpes, France
7 AM17th Oct 2025
7 PM
6 AM18th Oct 2025
AQI
AQI
86AQI
65AQI
In the last 24 hours,
Saint Etienne Sud's AQI reached its highest point of 86 at 8 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Saint Etienne Sud, Saint Etienne, Auvergne Rhone Alpes, France
18°C12/27°C
20°C13/31°C
20°C15/28°C
15°C11/21°C
11°C7/14°C
9°C7/11°C
8°C6/11°C
9°C6/13°C
8°C7/10°C
10°C4/16°C
11°C6/18°C
11°C6/17°C
11°C6/16°C
10°C6/16°C
9°C4/16°C
12°C6/18°C
13°C7/20°C
7°C4/13°C
8°C3/15°C
10°C4/17°C
12°C8/19°C
10°C8/13°C
10°C5/16°C
11°C6/19°C
12°C7/19°C
11°C6/18°C
11°C6/18°C
9°C5/15°C
9°C4/16°C
--°C/°C
--°C/°C
43AQI
43AQI
48AQI
44AQI
2025 Days Vs Air Quality
Saint Etienne Sud, Saint Etienne, Auvergne Rhone Alpes, France
79%
228
21%
62
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 290 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
Saint Etienne Sud, Saint Etienne, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
69AQI
48AQI
43AQI
48AQI
31AQI
29AQI
27AQI
27AQI
27AQI
39AQI
41AQI
32AQI
43AQI
68AQI
75AQI
67AQI
69AQI
78AQI
85AQI
95AQI
73AQI
42AQI
38AQI
44AQI
30AQI
26AQI
25AQI
26AQI
26AQI
28AQI
34AQI
47AQI
54AQI
64AQI
61AQI
53AQI
68AQI
61AQI
37AQI
54AQI
39AQI
29AQI
29AQI
39AQI
52AQI
66AQI
61AQI
74AQI
84AQI
67AQI
60AQI
53AQI
36AQI
38AQI
39AQI
33AQI
29AQI
35AQI
33AQI
46AQI
57AQI
63AQI
51AQI
52AQI
45AQI
45AQI
40AQI
37AQI
30AQI
28AQI
32AQI
27AQI
23AQI
22AQI
22AQI
24AQI
24AQI
22AQI
25AQI
26AQI
26AQI
26AQI
27AQI
35AQI
76AQI
67AQI
48AQI
51AQI
38AQI
32AQI
30AQI
27AQI
31AQI
31AQI
30AQI
34AQI
27AQI
29AQI
33AQI
31AQI
30AQI
30AQI
31AQI
22AQI
21AQI
20AQI
22AQI
24AQI
24AQI
26AQI
25AQI
24AQI
25AQI
24AQI
22AQI
23AQI
29AQI
28AQI
24AQI
28AQI
32AQI
36AQI
37AQI
34AQI
32AQI
30AQI
34AQI
40AQI
41AQI
27AQI
26AQI
19AQI
23AQI
21AQI
28AQI
24AQI
24AQI
27AQI
27AQI
28AQI
31AQI
25AQI
28AQI
21AQI
26AQI
25AQI
26AQI
26AQI
24AQI
22AQI
27AQI
33AQI
30AQI
33AQI
28AQI
22AQI
20AQI
25AQI
39AQI
55AQI
58AQI
61AQI
58AQI
58AQI
57AQI
53AQI
39AQI
37AQI
39AQI
42AQI
49AQI
49AQI
51AQI
49AQI
49AQI
48AQI
45AQI
42AQI
37AQI
30AQI
31AQI
34AQI
38AQI
38AQI
41AQI
36AQI
31AQI
26AQI
21AQI
21AQI
23AQI
24AQI
27AQI
31AQI
33AQI
35AQI
34AQI
30AQI
25AQI
26AQI
33AQI
22AQI
18AQI
18AQI
16AQI
17AQI
23AQI
24AQI
21AQI
25AQI
26AQI
24AQI
28AQI
25AQI
24AQI
28AQI
27AQI
30AQI
27AQI
45AQI
56AQI
54AQI
58AQI
55AQI
58AQI
55AQI
50AQI
56AQI
54AQI
48AQI
49AQI
45AQI
33AQI
32AQI
29AQI
28AQI
26AQI
39AQI
46AQI
35AQI
22AQI
18AQI
17AQI
17AQI
17AQI
19AQI
21AQI
23AQI
21AQI
22AQI
28AQI
24AQI
24AQI
22AQI
21AQI
20AQI
20AQI
17AQI
18AQI
20AQI
22AQI
25AQI
25AQI
19AQI
14AQI
13AQI
13AQI
16AQI
21AQI
19AQI
23AQI
43AQI
50AQI
56AQI
54AQI
57AQI
56AQI
45AQI
51AQI
50AQI
54AQI
56AQI
55AQI
64AQI
70AQI
73AQI
70AQI
68AQI
77AQI
84AQI
46AQI
50AQI
38AQI
27AQI
28AQI
42AQI
27AQI
39AQI
22AQI
61AQI
No. of days
202537AQI
Highest AQI recorded in
October61AQI
Lowest AQI recorded in
September22AQI
202434AQI
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
October25AQI
202338AQI
Highest AQI recorded in
February54AQI
Lowest AQI recorded in
November30AQI
202240AQI
Highest AQI recorded in
March60AQI
Lowest AQI recorded in
September26AQI
202137AQI
Highest AQI recorded in
February49AQI
Lowest AQI recorded in
May27AQI
202036AQI
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
October29AQI
Most & Least Polluted Years Over the Last 6 Years
Saint Etienne Sud's annual 2025 AQI (37) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (36), 2021 (37), 2022 (40), 2023 (38), 2024 (34).