Grenoble, 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
Grenoble, 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 61 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Grenoble, Auvergne Rhone Alpes, France
7 AM5th Oct 2025
7 PM
6 AM6th Oct 2025
AQI
AQI
60AQI
13AQI
In the last 24 hours,
Grenoble's AQI reached its highest point of 60 at 11 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Grenoble, Auvergne Rhone Alpes, France
13°C2/28°C
16°C5/31°C
16°C8/24°C
16°C6/21°C
13°C4/23°C
14°C4/22°C
13°C5/22°C
12°C4/21°C
16°C10/23°C
19°C10/28°C
12°C3/20°C
11°C1/23°C
15°C5/28°C
17°C7/32°C
17°C8/31°C
18°C9/28°C
14°C12/15°C
10°C8/11°C
9°C4/10°C
10°C8/13°C
10°C8/12°C
9°C0/18°C
8°C-2/21°C
8°C-1/19°C
7°C0/18°C
6°C-2/16°C
5°C-3/17°C
8°C-2/20°C
13°C1/23°C
--°C/°C
--°C/°C
31AQI
28AQI
33AQI
30AQI
2025 Days Vs Air Quality
Grenoble, Auvergne Rhone Alpes, France
76%
211
24%
66
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% 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
Grenoble, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI
73AQI
50AQI
57AQI
57AQI
36AQI
35AQI
34AQI
39AQI
35AQI
37AQI
36AQI
47AQI
64AQI
79AQI
86AQI
84AQI
84AQI
90AQI
93AQI
83AQI
66AQI
51AQI
54AQI
42AQI
29AQI
26AQI
24AQI
25AQI
27AQI
35AQI
41AQI
52AQI
58AQI
67AQI
74AQI
74AQI
74AQI
66AQI
53AQI
57AQI
50AQI
48AQI
48AQI
43AQI
51AQI
60AQI
67AQI
76AQI
83AQI
75AQI
66AQI
51AQI
50AQI
53AQI
45AQI
31AQI
35AQI
32AQI
41AQI
53AQI
53AQI
52AQI
50AQI
52AQI
52AQI
54AQI
54AQI
33AQI
29AQI
37AQI
34AQI
34AQI
32AQI
31AQI
31AQI
32AQI
32AQI
34AQI
35AQI
35AQI
35AQI
35AQI
34AQI
41AQI
59AQI
50AQI
51AQI
43AQI
32AQI
30AQI
26AQI
31AQI
36AQI
34AQI
33AQI
28AQI
27AQI
30AQI
31AQI
32AQI
32AQI
30AQI
30AQI
25AQI
23AQI
21AQI
23AQI
24AQI
22AQI
22AQI
18AQI
21AQI
22AQI
23AQI
22AQI
23AQI
25AQI
27AQI
27AQI
32AQI
35AQI
37AQI
36AQI
33AQI
31AQI
31AQI
35AQI
34AQI
29AQI
28AQI
24AQI
24AQI
25AQI
27AQI
27AQI
27AQI
28AQI
28AQI
29AQI
32AQI
27AQI
30AQI
27AQI
30AQI
29AQI
29AQI
30AQI
28AQI
24AQI
28AQI
32AQI
35AQI
33AQI
33AQI
27AQI
30AQI
41AQI
39AQI
45AQI
51AQI
54AQI
54AQI
53AQI
53AQI
56AQI
44AQI
40AQI
40AQI
42AQI
47AQI
49AQI
48AQI
50AQI
51AQI
52AQI
53AQI
50AQI
46AQI
38AQI
39AQI
36AQI
36AQI
37AQI
41AQI
39AQI
36AQI
31AQI
24AQI
23AQI
23AQI
25AQI
29AQI
33AQI
33AQI
32AQI
34AQI
29AQI
24AQI
24AQI
27AQI
23AQI
19AQI
18AQI
17AQI
18AQI
19AQI
21AQI
20AQI
22AQI
23AQI
23AQI
27AQI
28AQI
29AQI
28AQI
31AQI
38AQI
32AQI
34AQI
44AQI
51AQI
54AQI
54AQI
57AQI
56AQI
51AQI
55AQI
54AQI
51AQI
53AQI
50AQI
40AQI
33AQI
31AQI
31AQI
27AQI
35AQI
43AQI
40AQI
25AQI
19AQI
17AQI
18AQI
19AQI
20AQI
23AQI
23AQI
23AQI
23AQI
30AQI
28AQI
25AQI
23AQI
24AQI
24AQI
25AQI
23AQI
21AQI
23AQI
22AQI
23AQI
28AQI
28AQI
19AQI
16AQI
17AQI
18AQI
17AQI
22AQI
24AQI
49AQI
56AQI
59AQI
67AQI
59AQI
61AQI
54AQI
56AQI
41AQI
27AQI
29AQI
44AQI
27AQI
39AQI
24AQI
62AQI
No. of days
202538AQI
Highest AQI recorded in
October62AQI
Lowest AQI recorded in
September24AQI
202433AQI
Highest AQI recorded in
November48AQI
Lowest AQI recorded in
April23AQI
202332AQI
Highest AQI recorded in
February57AQI
Lowest AQI recorded in
November22AQI
202236AQI
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
August15AQI
202125AQI
Highest AQI recorded in
February39AQI
Lowest AQI recorded in
May15AQI
202028AQI
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
October19AQI
Most & Least Polluted Years Over the Last 6 Years
Grenoble's annual 2025 AQI (38) shows an average percentage change of 26.3% (worsened AQI) compared to previous years: 2020 (28), 2021 (25), 2022 (36), 2023 (32), 2024 (33).