Calais, Hauts De France, 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
Calais, Hauts De France, France
AQI Trends: Highest and Lowest
Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 12th Aug - 13th Aug 2026
Calais, Hauts De France, France
6 AM12th Aug 2026
9 PM
5 AM13th Aug 2026
72AQI
25AQI
29AQI
25AQI
In the last 24 hours,
Calais's AQI reached its highest point of 72 at 8 AM during the Day, while the lowest point, 25, was recorded at 5 AM during the Night between 12th Aug and 13th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Calais, Hauts De France, France
20°C19/22°C
20°C18/21°C
19°C17/21°C
17°C16/19°C
17°C15/18°C
16°C15/18°C
17°C15/19°C
18°C16/19°C
18°C16/20°C
19°C16/22°C
20°C18/22°C
19°C17/22°C
19°C16/21°C
20°C18/22°C
22°C19/26°C
20°C18/22°C
19°C17/21°C
19°C15/21°C
20°C17/23°C
21°C19/24°C
21°C19/23°C
20°C19/21°C
18°C16/20°C
19°C17/21°C
19°C15/23°C
21°C19/25°C
20°C18/22°C
19°C15/22°C
22°C16/26°C
24°C21/27°C
34AQI
31AQI
33AQI
31AQI
2026 Days Vs Air Quality
Calais, Hauts De France, France
87%
194
12%
26
0.9%
2
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 225 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
Calais, Hauts De France, France
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
37AQI (US)
21AQI (US)
26AQI (US)
42AQI (US)
18AQI (US)
20AQI (US)
34AQI (US)
32AQI (US)
18AQI (US)
51AQI (US)
74AQI (US)
68AQI (US)
47AQI (US)
27AQI (US)
38AQI (US)
49AQI (US)
47AQI (US)
63AQI (US)
110AQI (US)
46AQI (US)
41AQI (US)
74AQI (US)
36AQI (US)
25AQI (US)
47AQI (US)
39AQI (US)
48AQI (US)
22AQI (US)
46AQI (US)
40AQI (US)
34AQI (US)
39AQI (US)
49AQI (US)
32AQI (US)
40AQI (US)
26AQI (US)
44AQI (US)
44AQI (US)
23AQI (US)
27AQI (US)
40AQI (US)
33AQI (US)
33AQI (US)
30AQI (US)
45AQI (US)
17AQI (US)
32AQI (US)
36AQI (US)
29AQI (US)
39AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
38AQI (US)
51AQI (US)
68AQI (US)
68AQI (US)
90AQI (US)
89AQI (US)
93AQI (US)
93AQI (US)
63AQI (US)
27AQI (US)
29AQI (US)
34AQI (US)
29AQI (US)
30AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
55AQI (US)
78AQI (US)
46AQI (US)
91AQI (US)
113AQI (US)
79AQI (US)
26AQI (US)
21AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
45AQI (US)
36AQI (US)
23AQI (US)
29AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
50AQI (US)
22AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
21AQI (US)
27AQI (US)
28AQI (US)
30AQI (US)
19AQI (US)
40AQI (US)
26AQI (US)
24AQI (US)
41AQI (US)
50AQI (US)
41AQI (US)
32AQI (US)
32AQI (US)
23AQI (US)
28AQI (US)
52AQI (US)
26AQI (US)
50AQI (US)
24AQI (US)
21AQI (US)
29AQI (US)
56AQI (US)
32AQI (US)
17AQI (US)
24AQI (US)
25AQI (US)
20AQI (US)
29AQI (US)
37AQI (US)
35AQI (US)
33AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
34AQI (US)
43AQI (US)
67AQI (US)
43AQI (US)
29AQI (US)
55AQI (US)
31AQI (US)
55AQI (US)
65AQI (US)
32AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
21AQI (US)
25AQI (US)
12AQI (US)
24AQI (US)
35AQI (US)
15AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
39AQI (US)
81AQI (US)
60AQI (US)
31AQI (US)
23AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
18AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
39AQI (US)
48AQI (US)
40AQI (US)
49AQI (US)
32AQI (US)
32AQI (US)
45AQI (US)
55AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
35AQI (US)
29AQI (US)
35AQI (US)
41AQI (US)
34AQI (US)
35AQI (US)
29AQI (US)
28AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
33AQI (US)
42AQI (US)
31AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
41AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
41AQI (US)
40AQI (US)
35AQI (US)
51AQI (US)
31AQI (US)
37AQI (US)
27AQI (US)
32AQI (US)
32AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
February69AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
January56AQI (US)
Lowest AQI (US) recorded in
April31AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
February53AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
March69AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
September43AQI (US)
Lowest AQI (US) recorded in
January27AQI (US)
202026AQI (US)
Highest AQI (US) recorded in
April32AQI (US)
Lowest AQI (US) recorded in
July21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Calais's annual 2026 AQI (US) (36) shows an average percentage change of 0.5% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (34), 2022 (39), 2023 (38), 2024 (40), 2025 (44).