RD18E campagne de mesure, Saint Etienne du Rouvray, Normandie, 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
RD18E campagne de mesure, Saint Etienne du Rouvray, Normandie, France
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
RD18E campagne de mesure, Saint Etienne du Rouvray, Normandie, France
6 AM9th Aug 2025
9 PM
5 AM10th Aug 2025
33AQI
24AQI
30AQI
26AQI
In the last 24 hours,
RD18E campagne de mesure's AQI reached its highest point of 33 at 1 PM during the Day, while the lowest point, 24, was recorded at 10 AM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
RD18E campagne de mesure, Saint Etienne du Rouvray, Normandie, France
22°C13/31°C
22°C13/31°C
23°C13/32°C
20°C13/28°C
18°C11/25°C
18°C16/20°C
20°C15/27°C
22°C16/29°C
21°C17/26°C
19°C16/26°C
17°C14/22°C
18°C14/23°C
16°C13/20°C
18°C13/23°C
20°C14/25°C
19°C13/25°C
18°C13/22°C
18°C11/23°C
16°C11/22°C
19°C14/25°C
18°C13/24°C
18°C12/22°C
16°C10/22°C
17°C9/25°C
22°C17/30°C
18°C11/22°C
18°C10/26°C
20°C12/30°C
20°C14/27°C
19°C11/27°C
--°C/°C
26AQI
26AQI
25AQI
25AQI
2025 Days Vs Air Quality
RD18E campagne de mesure, Saint Etienne du Rouvray, Normandie, France
67%
149
32%
71
0.4%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 222 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
RD18E campagne de mesure, Saint Etienne du Rouvray, Normandie, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
27AQI
61AQI
73AQI
33AQI
26AQI
21AQI
29AQI
31AQI
38AQI
61AQI
67AQI
82AQI
92AQI
129AQI
88AQI
68AQI
64AQI
64AQI
65AQI
87AQI
85AQI
74AQI
68AQI
68AQI
67AQI
64AQI
65AQI
59AQI
24AQI
44AQI
36AQI
71AQI
88AQI
70AQI
57AQI
63AQI
61AQI
60AQI
56AQI
60AQI
67AQI
70AQI
63AQI
91AQI
79AQI
70AQI
67AQI
75AQI
80AQI
68AQI
57AQI
42AQI
42AQI
25AQI
46AQI
33AQI
30AQI
33AQI
30AQI
42AQI
53AQI
60AQI
96AQI
85AQI
54AQI
56AQI
63AQI
81AQI
87AQI
43AQI
52AQI
54AQI
55AQI
55AQI
56AQI
55AQI
55AQI
56AQI
54AQI
53AQI
50AQI
50AQI
52AQI
51AQI
51AQI
49AQI
44AQI
43AQI
38AQI
31AQI
32AQI
35AQI
35AQI
46AQI
40AQI
26AQI
45AQI
53AQI
49AQI
50AQI
47AQI
47AQI
31AQI
33AQI
21AQI
27AQI
30AQI
28AQI
31AQI
20AQI
32AQI
25AQI
37AQI
49AQI
54AQI
58AQI
54AQI
53AQI
52AQI
54AQI
56AQI
56AQI
48AQI
36AQI
22AQI
23AQI
38AQI
37AQI
30AQI
26AQI
26AQI
28AQI
42AQI
40AQI
35AQI
37AQI
40AQI
41AQI
32AQI
37AQI
38AQI
23AQI
25AQI
20AQI
24AQI
21AQI
21AQI
23AQI
27AQI
25AQI
31AQI
34AQI
35AQI
19AQI
20AQI
17AQI
16AQI
20AQI
27AQI
33AQI
26AQI
29AQI
29AQI
27AQI
27AQI
33AQI
32AQI
35AQI
36AQI
41AQI
36AQI
35AQI
28AQI
29AQI
27AQI
32AQI
26AQI
22AQI
23AQI
26AQI
37AQI
39AQI
28AQI
25AQI
22AQI
19AQI
17AQI
20AQI
25AQI
28AQI
27AQI
25AQI
27AQI
27AQI
24AQI
24AQI
21AQI
22AQI
24AQI
22AQI
19AQI
20AQI
19AQI
30AQI
26AQI
33AQI
27AQI
32AQI
31AQI
27AQI
25AQI
21AQI
22AQI
22AQI
24AQI
23AQI
26AQI
26AQI
31AQI
29AQI
60AQI
59AQI
56AQI
39AQI
33AQI
28AQI
26AQI
25AQI
No. of days
202542AQI
Highest AQI recorded in
January60AQI
Lowest AQI recorded in
August25AQI
202435AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
April26AQI
202334AQI
Highest AQI recorded in
February53AQI
Lowest AQI recorded in
August23AQI
202241AQI
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
November29AQI
Most & Least Polluted Years Over the Last 4 Years
RD18E campagne de mesure's annual 2025 AQI (42) shows an average percentage change of 15.5% (worsened AQI) compared to previous years: 2022 (41), 2023 (34), 2024 (35).