Passy, Chamonix Mont Blanc, 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!
August Air Quality Analysis
Passy, Chamonix Mont Blanc, Auvergne Rhone Alpes, France
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Passy, Chamonix Mont Blanc, Auvergne Rhone Alpes, France
6 AM3rd Aug 2025
9 PM
5 AM4th Aug 2025
AQI
AQI
30AQI
18AQI
In the last 24 hours,
Passy's AQI reached its highest point of 30 at 12 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Passy, Chamonix Mont Blanc, Auvergne Rhone Alpes, France
16°C7/25°C
14°C6/20°C
12°C8/17°C
7°C-1/11°C
8°C-2/18°C
11°C1/21°C
13°C3/21°C
14°C4/22°C
14°C6/20°C
15°C7/22°C
14°C6/22°C
13°C4/21°C
14°C6/22°C
16°C5/25°C
14°C7/23°C
15°C6/23°C
13°C6/19°C
11°C4/19°C
12°C3/22°C
10°C4/14°C
10°C3/15°C
11°C5/15°C
11°C4/18°C
8°C2/13°C
8°C1/14°C
9°C1/16°C
11°C2/19°C
11°C3/18°C
9°C1/15°C
--°C/°C
--°C/°C
23AQI
23AQI
25AQI
23AQI
2025 Days Vs Air Quality
Passy, Chamonix Mont Blanc, Auvergne Rhone Alpes, France
77%
165
21%
46
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 215 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
Passy, Chamonix Mont Blanc, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
68AQI
63AQI
51AQI
52AQI
43AQI
37AQI
31AQI
26AQI
40AQI
40AQI
45AQI
46AQI
50AQI
75AQI
95AQI
92AQI
81AQI
97AQI
133AQI
116AQI
109AQI
87AQI
45AQI
42AQI
31AQI
32AQI
31AQI
31AQI
29AQI
44AQI
62AQI
46AQI
49AQI
67AQI
78AQI
83AQI
93AQI
98AQI
72AQI
89AQI
65AQI
41AQI
55AQI
48AQI
43AQI
65AQI
77AQI
74AQI
93AQI
98AQI
81AQI
59AQI
54AQI
39AQI
48AQI
32AQI
27AQI
43AQI
36AQI
50AQI
63AQI
61AQI
56AQI
51AQI
61AQI
58AQI
51AQI
47AQI
33AQI
31AQI
39AQI
28AQI
21AQI
21AQI
20AQI
23AQI
23AQI
24AQI
28AQI
30AQI
29AQI
29AQI
28AQI
29AQI
40AQI
40AQI
42AQI
29AQI
26AQI
26AQI
34AQI
42AQI
36AQI
33AQI
28AQI
37AQI
30AQI
28AQI
30AQI
29AQI
32AQI
31AQI
29AQI
30AQI
28AQI
26AQI
34AQI
24AQI
22AQI
21AQI
20AQI
19AQI
20AQI
19AQI
21AQI
23AQI
23AQI
20AQI
27AQI
27AQI
26AQI
27AQI
28AQI
23AQI
21AQI
21AQI
28AQI
36AQI
29AQI
21AQI
21AQI
16AQI
17AQI
22AQI
21AQI
19AQI
17AQI
18AQI
19AQI
21AQI
22AQI
17AQI
16AQI
19AQI
18AQI
19AQI
17AQI
16AQI
18AQI
17AQI
22AQI
26AQI
25AQI
27AQI
29AQI
21AQI
22AQI
24AQI
38AQI
54AQI
59AQI
64AQI
59AQI
57AQI
54AQI
54AQI
35AQI
39AQI
42AQI
47AQI
54AQI
50AQI
52AQI
51AQI
51AQI
46AQI
39AQI
34AQI
31AQI
29AQI
34AQI
35AQI
29AQI
32AQI
47AQI
45AQI
26AQI
24AQI
19AQI
19AQI
20AQI
22AQI
25AQI
27AQI
29AQI
31AQI
39AQI
23AQI
20AQI
28AQI
23AQI
17AQI
17AQI
16AQI
16AQI
16AQI
16AQI
17AQI
17AQI
18AQI
25AQI
24AQI
24AQI
23AQI
59AQI
63AQI
37AQI
27AQI
21AQI
42AQI
25AQI
24AQI
No. of days
202539AQI
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
May21AQI
202440AQI
Highest AQI recorded in
January67AQI
Lowest AQI recorded in
July26AQI
202348AQI
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
May33AQI
202253AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
September30AQI
202151AQI
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
May32AQI
202043AQI
Highest AQI recorded in
November73AQI
Lowest AQI recorded in
June27AQI
Most & Least Polluted Years Over the Last 6 Years
Passy's annual 2025 AQI (39) shows an average percentage change of -17.02% (improved AQI) compared to previous years: 2020 (43), 2021 (51), 2022 (53), 2023 (48), 2024 (40).