Graaf Arnoldlaan, Utrecht, Utrecht, Netherlands 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
Graaf Arnoldlaan, Utrecht, Utrecht, Netherlands
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 25 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Graaf Arnoldlaan, Utrecht, Utrecht, Netherlands
6 AM20th Aug 2025
9 PM
5 AM21st Aug 2025
40AQI
23AQI
27AQI
14AQI
In the last 24 hours,
Graaf Arnoldlaan's AQI reached its highest point of 40 at 11 AM during the Day, while the lowest point, 14, was recorded at 5 AM during the Night between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Graaf Arnoldlaan, Utrecht, Utrecht, Netherlands
19°C14/24°C
19°C15/22°C
19°C15/25°C
19°C15/24°C
20°C14/26°C
18°C14/22°C
17°C13/22°C
17°C13/22°C
17°C12/22°C
19°C14/24°C
16°C13/19°C
16°C14/20°C
18°C13/22°C
20°C15/26°C
17°C13/20°C
17°C12/22°C
19°C12/25°C
20°C14/25°C
18°C12/25°C
19°C13/25°C
21°C13/29°C
24°C16/33°C
27°C20/35°C
25°C18/33°C
22°C17/28°C
19°C13/23°C
16°C11/20°C
20°C16/27°C
20°C14/28°C
19°C13/25°C
--°C/°C
30AQI
27AQI
29AQI
27AQI
2025 Days Vs Air Quality
Graaf Arnoldlaan, Utrecht, Utrecht, Netherlands
77%
178
23%
54
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 233 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
Graaf Arnoldlaan, Utrecht, Utrecht, Netherlands
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI
30AQI
27AQI
38AQI
45AQI
24AQI
23AQI
24AQI
30AQI
25AQI
40AQI
32AQI
49AQI
65AQI
60AQI
55AQI
60AQI
53AQI
74AQI
82AQI
81AQI
72AQI
60AQI
41AQI
37AQI
40AQI
27AQI
26AQI
21AQI
21AQI
35AQI
46AQI
53AQI
57AQI
71AQI
64AQI
55AQI
46AQI
62AQI
90AQI
100AQI
92AQI
71AQI
94AQI
77AQI
78AQI
71AQI
62AQI
65AQI
64AQI
71AQI
54AQI
49AQI
50AQI
30AQI
43AQI
42AQI
28AQI
30AQI
30AQI
50AQI
61AQI
83AQI
93AQI
84AQI
63AQI
63AQI
75AQI
92AQI
78AQI
45AQI
39AQI
30AQI
26AQI
31AQI
26AQI
29AQI
43AQI
58AQI
61AQI
52AQI
45AQI
64AQI
81AQI
53AQI
52AQI
66AQI
44AQI
40AQI
33AQI
32AQI
30AQI
43AQI
46AQI
37AQI
18AQI
25AQI
28AQI
32AQI
32AQI
44AQI
53AQI
41AQI
37AQI
42AQI
31AQI
34AQI
32AQI
26AQI
25AQI
28AQI
46AQI
43AQI
46AQI
33AQI
43AQI
30AQI
31AQI
40AQI
30AQI
44AQI
59AQI
36AQI
27AQI
26AQI
29AQI
39AQI
32AQI
39AQI
36AQI
37AQI
37AQI
40AQI
40AQI
45AQI
45AQI
45AQI
44AQI
40AQI
39AQI
47AQI
37AQI
32AQI
45AQI
39AQI
38AQI
31AQI
30AQI
41AQI
34AQI
38AQI
41AQI
40AQI
39AQI
37AQI
28AQI
32AQI
30AQI
25AQI
46AQI
57AQI
53AQI
47AQI
55AQI
56AQI
50AQI
43AQI
43AQI
43AQI
39AQI
30AQI
38AQI
41AQI
33AQI
34AQI
31AQI
32AQI
34AQI
26AQI
23AQI
29AQI
30AQI
40AQI
31AQI
27AQI
27AQI
25AQI
23AQI
24AQI
27AQI
32AQI
29AQI
25AQI
30AQI
28AQI
23AQI
22AQI
22AQI
23AQI
33AQI
37AQI
24AQI
21AQI
20AQI
23AQI
22AQI
29AQI
24AQI
23AQI
21AQI
19AQI
20AQI
20AQI
19AQI
21AQI
22AQI
23AQI
25AQI
27AQI
30AQI
39AQI
34AQI
31AQI
42AQI
51AQI
58AQI
45AQI
43AQI
33AQI
23AQI
22AQI
25AQI
43AQI
61AQI
55AQI
35AQI
38AQI
39AQI
26AQI
32AQI
No. of days
202541AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
July26AQI
202426AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
April12AQI
202321AQI
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
January17AQI
202233AQI
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
November29AQI
Most & Least Polluted Years Over the Last 4 Years
Graaf Arnoldlaan's annual 2025 AQI (41) shows an average percentage change of 60.1% (worsened AQI) compared to previous years: 2022 (33), 2023 (21), 2024 (26).