Paris 18Th, Saint Ouen, Ile De France, 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
Paris 18Th, Saint Ouen, Ile De France, France
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Paris 18Th, Saint Ouen, Ile De France, France
7 AM3rd Oct 2025
7 PM
6 AM4th Oct 2025
74AQI
44AQI
71AQI
38AQI
In the last 24 hours,
Paris 18Th's AQI reached its highest point of 74 at 5 PM during the Day, while the lowest point, 38, was recorded at 4 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Paris 18Th, Saint Ouen, Ile De France, France
18°C16/22°C
18°C14/24°C
20°C14/26°C
24°C16/33°C
21°C17/25°C
19°C16/24°C
18°C15/22°C
18°C14/22°C
17°C13/22°C
16°C14/20°C
16°C13/19°C
19°C16/23°C
16°C13/20°C
19°C15/25°C
20°C15/27°C
23°C16/33°C
21°C18/25°C
17°C14/20°C
14°C11/18°C
11°C10/15°C
11°C10/11°C
11°C10/11°C
12°C10/14°C
14°C9/19°C
15°C10/20°C
16°C12/21°C
16°C12/20°C
16°C11/20°C
15°C12/19°C
14°C13/16°C
--°C/°C
31AQI
28AQI
31AQI
29AQI
2025 Days Vs Air Quality
Paris 18Th, Saint Ouen, Ile De France, France
76%
210
24%
66
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 277 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
Paris 18Th, Saint Ouen, Ile De France, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
50AQI
40AQI
52AQI
74AQI
32AQI
25AQI
25AQI
32AQI
28AQI
45AQI
59AQI
62AQI
57AQI
79AQI
91AQI
61AQI
69AQI
71AQI
84AQI
93AQI
100AQI
78AQI
52AQI
30AQI
30AQI
27AQI
27AQI
27AQI
29AQI
30AQI
40AQI
49AQI
65AQI
79AQI
66AQI
62AQI
56AQI
57AQI
45AQI
42AQI
53AQI
61AQI
70AQI
69AQI
98AQI
78AQI
78AQI
77AQI
77AQI
84AQI
67AQI
63AQI
45AQI
50AQI
29AQI
37AQI
31AQI
28AQI
42AQI
58AQI
55AQI
68AQI
80AQI
94AQI
66AQI
53AQI
50AQI
50AQI
48AQI
82AQI
46AQI
46AQI
54AQI
56AQI
63AQI
59AQI
48AQI
50AQI
46AQI
51AQI
39AQI
27AQI
45AQI
88AQI
71AQI
68AQI
63AQI
41AQI
38AQI
48AQI
44AQI
34AQI
44AQI
45AQI
43AQI
42AQI
31AQI
45AQI
58AQI
62AQI
57AQI
48AQI
42AQI
38AQI
33AQI
24AQI
34AQI
36AQI
29AQI
27AQI
20AQI
34AQI
27AQI
42AQI
58AQI
57AQI
64AQI
55AQI
48AQI
46AQI
48AQI
46AQI
54AQI
37AQI
29AQI
34AQI
38AQI
45AQI
39AQI
35AQI
31AQI
28AQI
36AQI
45AQI
44AQI
41AQI
43AQI
46AQI
43AQI
41AQI
36AQI
37AQI
30AQI
34AQI
23AQI
27AQI
26AQI
24AQI
26AQI
26AQI
35AQI
27AQI
33AQI
30AQI
22AQI
24AQI
18AQI
19AQI
19AQI
36AQI
58AQI
35AQI
42AQI
54AQI
50AQI
37AQI
39AQI
40AQI
39AQI
46AQI
46AQI
47AQI
48AQI
40AQI
33AQI
45AQI
36AQI
24AQI
29AQI
26AQI
37AQI
49AQI
47AQI
47AQI
38AQI
31AQI
24AQI
23AQI
24AQI
34AQI
32AQI
34AQI
34AQI
33AQI
32AQI
27AQI
29AQI
23AQI
30AQI
31AQI
22AQI
20AQI
18AQI
18AQI
23AQI
32AQI
30AQI
22AQI
29AQI
27AQI
23AQI
23AQI
21AQI
21AQI
22AQI
22AQI
22AQI
25AQI
26AQI
33AQI
33AQI
28AQI
42AQI
51AQI
56AQI
56AQI
43AQI
48AQI
43AQI
34AQI
35AQI
43AQI
42AQI
32AQI
27AQI
26AQI
28AQI
30AQI
31AQI
29AQI
22AQI
20AQI
18AQI
19AQI
18AQI
19AQI
23AQI
19AQI
18AQI
21AQI
24AQI
22AQI
21AQI
20AQI
18AQI
17AQI
17AQI
18AQI
21AQI
21AQI
27AQI
37AQI
41AQI
28AQI
22AQI
21AQI
22AQI
30AQI
43AQI
33AQI
34AQI
48AQI
46AQI
54AQI
60AQI
57AQI
52AQI
59AQI
56AQI
42AQI
36AQI
36AQI
29AQI
33AQI
26AQI
57AQI
No. of days
202541AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
September26AQI
202436AQI
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
July28AQI
202344AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
November29AQI
202245AQI
Highest AQI recorded in
March73AQI
Lowest AQI recorded in
September35AQI
202127AQI
Highest AQI recorded in
April33AQI
Lowest AQI recorded in
December21AQI
202026AQI
Highest AQI recorded in
April34AQI
Lowest AQI recorded in
December17AQI
Most & Least Polluted Years Over the Last 6 Years
Paris 18Th's annual 2025 AQI (41) shows an average percentage change of 21.4% (worsened AQI) compared to previous years: 2020 (26), 2021 (27), 2022 (45), 2023 (44), 2024 (36).