Saint Denis, 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!
July Air Quality Analysis
Saint Denis, Ile De France, France
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Saint Denis, Ile De France, France
58%
124
40%
84
2%
4
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 58%
Health Risk Level:
Considerable
In 2025, 58% of 213 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Saint Denis, Ile De France, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI
45AQI
65AQI
95AQI
44AQI
37AQI
37AQI
43AQI
40AQI
60AQI
67AQI
71AQI
67AQI
91AQI
111AQI
67AQI
76AQI
77AQI
97AQI
102AQI
89AQI
57AQI
50AQI
35AQI
40AQI
30AQI
25AQI
28AQI
35AQI
35AQI
51AQI
58AQI
73AQI
96AQI
71AQI
67AQI
60AQI
59AQI
51AQI
45AQI
60AQI
71AQI
76AQI
79AQI
105AQI
84AQI
83AQI
81AQI
83AQI
92AQI
75AQI
69AQI
50AQI
66AQI
38AQI
41AQI
37AQI
41AQI
52AQI
60AQI
59AQI
77AQI
97AQI
113AQI
83AQI
61AQI
57AQI
55AQI
61AQI
90AQI
46AQI
50AQI
56AQI
57AQI
66AQI
61AQI
51AQI
57AQI
55AQI
58AQI
45AQI
34AQI
55AQI
92AQI
75AQI
71AQI
70AQI
42AQI
46AQI
55AQI
47AQI
36AQI
48AQI
48AQI
52AQI
44AQI
35AQI
53AQI
65AQI
70AQI
63AQI
56AQI
56AQI
46AQI
44AQI
32AQI
40AQI
43AQI
33AQI
30AQI
31AQI
52AQI
33AQI
49AQI
60AQI
68AQI
68AQI
59AQI
52AQI
54AQI
53AQI
54AQI
64AQI
39AQI
30AQI
35AQI
40AQI
46AQI
41AQI
41AQI
35AQI
38AQI
40AQI
50AQI
49AQI
45AQI
50AQI
51AQI
47AQI
42AQI
42AQI
40AQI
32AQI
43AQI
30AQI
35AQI
33AQI
31AQI
38AQI
40AQI
46AQI
35AQI
39AQI
42AQI
32AQI
27AQI
24AQI
25AQI
23AQI
41AQI
58AQI
43AQI
47AQI
55AQI
54AQI
42AQI
40AQI
40AQI
40AQI
43AQI
46AQI
47AQI
44AQI
46AQI
41AQI
48AQI
50AQI
40AQI
33AQI
31AQI
41AQI
52AQI
54AQI
52AQI
48AQI
39AQI
30AQI
27AQI
28AQI
31AQI
33AQI
32AQI
35AQI
37AQI
40AQI
37AQI
34AQI
30AQI
33AQI
35AQI
28AQI
26AQI
27AQI
29AQI
30AQI
41AQI
41AQI
32AQI
34AQI
39AQI
31AQI
32AQI
59AQI
67AQI
63AQI
49AQI
42AQI
41AQI
35AQI
No. of days
202551AQI
Highest AQI recorded in
February67AQI
Lowest AQI recorded in
July35AQI
202448AQI
Highest AQI recorded in
January61AQI
Lowest AQI recorded in
July28AQI
202350AQI
Highest AQI recorded in
February68AQI
Lowest AQI recorded in
August41AQI
202256AQI
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
September40AQI
202162AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
May50AQI
202057AQI
Highest AQI recorded in
November69AQI
Lowest AQI recorded in
April50AQI
Most & Least Polluted Years Over the Last 6 Years
Saint Denis's annual 2025 AQI (51) shows an average percentage change of -6.7% (improved AQI) compared to previous years: 2020 (57), 2021 (62), 2022 (56), 2023 (50), 2024 (48).
