Dreux, Centre Val De Loire, 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
Dreux, Centre Val De Loire, 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 20 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: 2nd Aug - 3rd Aug 2025
Dreux, Centre Val De Loire, France
6 AM2nd Aug 2025
9 PM
5 AM3rd Aug 2025
22AQI
17AQI
22AQI
20AQI
In the last 24 hours,
Dreux's AQI reached its highest point of 22 at 6 AM during the Day, while the lowest point, 17, was recorded at 8 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dreux, Centre Val De Loire, France
19°C8/29°C
19°C11/29°C
16°C13/20°C
14°C11/18°C
16°C11/23°C
18°C9/27°C
21°C11/28°C
22°C14/29°C
23°C15/30°C
24°C14/34°C
20°C16/28°C
19°C11/26°C
18°C15/20°C
22°C17/28°C
24°C18/32°C
20°C16/25°C
19°C15/25°C
18°C15/22°C
19°C15/24°C
15°C13/16°C
17°C13/22°C
20°C15/26°C
20°C13/27°C
18°C13/23°C
17°C12/22°C
17°C11/24°C
19°C15/25°C
19°C13/26°C
18°C12/22°C
16°C11/22°C
--°C/°C
23AQI
23AQI
23AQI
23AQI
2025 Days Vs Air Quality
Dreux, Centre Val De Loire, France
78%
166
22%
48
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% 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
Dreux, Centre Val De Loire, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
37AQI
46AQI
58AQI
33AQI
28AQI
25AQI
28AQI
27AQI
33AQI
50AQI
50AQI
61AQI
81AQI
97AQI
63AQI
71AQI
65AQI
70AQI
66AQI
64AQI
68AQI
50AQI
49AQI
46AQI
43AQI
35AQI
30AQI
28AQI
29AQI
33AQI
37AQI
64AQI
73AQI
57AQI
57AQI
61AQI
58AQI
49AQI
46AQI
51AQI
57AQI
66AQI
63AQI
77AQI
73AQI
77AQI
77AQI
79AQI
77AQI
58AQI
59AQI
46AQI
45AQI
32AQI
36AQI
28AQI
29AQI
41AQI
47AQI
52AQI
61AQI
70AQI
77AQI
64AQI
52AQI
52AQI
48AQI
48AQI
61AQI
44AQI
45AQI
45AQI
49AQI
57AQI
56AQI
48AQI
46AQI
42AQI
47AQI
35AQI
28AQI
39AQI
65AQI
63AQI
60AQI
51AQI
38AQI
34AQI
40AQI
40AQI
35AQI
36AQI
35AQI
41AQI
39AQI
29AQI
36AQI
49AQI
55AQI
53AQI
45AQI
43AQI
34AQI
30AQI
22AQI
24AQI
25AQI
23AQI
19AQI
20AQI
28AQI
21AQI
35AQI
47AQI
52AQI
59AQI
53AQI
44AQI
43AQI
40AQI
40AQI
48AQI
36AQI
22AQI
25AQI
29AQI
37AQI
33AQI
29AQI
27AQI
23AQI
24AQI
33AQI
38AQI
33AQI
38AQI
38AQI
37AQI
31AQI
32AQI
35AQI
26AQI
25AQI
21AQI
23AQI
23AQI
20AQI
20AQI
23AQI
25AQI
25AQI
27AQI
24AQI
21AQI
19AQI
17AQI
16AQI
18AQI
37AQI
50AQI
36AQI
38AQI
46AQI
46AQI
36AQI
36AQI
34AQI
34AQI
42AQI
41AQI
40AQI
41AQI
30AQI
28AQI
29AQI
27AQI
20AQI
22AQI
22AQI
25AQI
30AQI
32AQI
28AQI
25AQI
22AQI
19AQI
18AQI
19AQI
20AQI
23AQI
24AQI
26AQI
29AQI
27AQI
25AQI
27AQI
20AQI
22AQI
25AQI
21AQI
19AQI
18AQI
17AQI
28AQI
30AQI
31AQI
22AQI
28AQI
26AQI
23AQI
22AQI
20AQI
20AQI
49AQI
56AQI
50AQI
37AQI
30AQI
31AQI
24AQI
20AQI
No. of days
202539AQI
Highest AQI recorded in
February56AQI
Lowest AQI recorded in
August20AQI
202430AQI
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
July25AQI
202331AQI
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
August25AQI
202233AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
September24AQI
202132AQI
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
August25AQI
202025AQI
Highest AQI recorded in
March32AQI
Lowest AQI recorded in
October20AQI
Most & Least Polluted Years Over the Last 6 Years
Dreux's annual 2025 AQI (39) shows an average percentage change of 31.6% (worsened AQI) compared to previous years: 2020 (25), 2021 (32), 2022 (33), 2023 (31), 2024 (30).