Hoorn, Noord Holland, Netherlands Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Hoorn, Noord Holland, Netherlands
AQI Trends: Highest and Lowest
Same Day Analysis (14th March):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Mar - 14th Mar 2026
Hoorn, Noord Holland, Netherlands
7 AM13th Mar 2026
6 PM
6 AM14th Mar 2026
51AQI
7AQI
42AQI
26AQI
In the last 24 hours,
Hoorn's AQI reached its highest point of 51 at 6 AM during the Day, while the lowest point, 7, was recorded at 2 PM during the Day between 13th Mar and 14th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Hoorn, Noord Holland, Netherlands
2°C0/2°C
1°C0/3°C
1°C-1/4°C
4°C1/6°C
4°C3/6°C
2°C0/3°C
2°C0/4°C
4°C1/7°C
8°C7/9°C
9°C8/10°C
8°C7/9°C
8°C6/10°C
11°C8/14°C
10°C9/13°C
10°C9/11°C
8°C5/10°C
7°C4/10°C
9°C6/13°C
8°C5/11°C
7°C4/11°C
9°C6/13°C
10°C7/15°C
8°C6/9°C
9°C6/14°C
9°C6/12°C
9°C6/12°C
8°C6/10°C
8°C5/11°C
8°C5/10°C
6°C4/8°C
48AQI
40AQI
48AQI
44AQI
2026 Days Vs Air Quality
Hoorn, Noord Holland, Netherlands
44%
32
44%
32
12%
9
Total number of days with different AQI categories in last 74 days in 2026 (291 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2026, 44% of 74 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Hoorn, Noord Holland, Netherlands
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
12AQI (US)
11AQI (US)
12AQI (US)
39AQI (US)
26AQI (US)
68AQI (US)
47AQI (US)
59AQI (US)
39AQI (US)
62AQI (US)
57AQI (US)
54AQI (US)
34AQI (US)
47AQI (US)
27AQI (US)
63AQI (US)
81AQI (US)
88AQI (US)
86AQI (US)
65AQI (US)
90AQI (US)
108AQI (US)
119AQI (US)
143AQI (US)
81AQI (US)
62AQI (US)
96AQI (US)
94AQI (US)
98AQI (US)
82AQI (US)
78AQI (US)
106AQI (US)
116AQI (US)
101AQI (US)
134AQI (US)
108AQI (US)
48AQI (US)
60AQI (US)
80AQI (US)
78AQI (US)
53AQI (US)
34AQI (US)
27AQI (US)
32AQI (US)
62AQI (US)
27AQI (US)
16AQI (US)
56AQI (US)
68AQI (US)
61AQI (US)
24AQI (US)
18AQI (US)
15AQI (US)
49AQI (US)
40AQI (US)
41AQI (US)
52AQI (US)
26AQI (US)
21AQI (US)
18AQI (US)
47AQI (US)
38AQI (US)
69AQI (US)
67AQI (US)
79AQI (US)
83AQI (US)
90AQI (US)
104AQI (US)
44AQI (US)
19AQI (US)
24AQI (US)
31AQI (US)
64AQI (US)
58AQI (US)
52AQI (US)
No. of days
202659AQI (US)
Highest AQI (US) recorded in
January64AQI (US)
Lowest AQI (US) recorded in
March52AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
December43AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Hoorn's annual 2026 AQI (US) (59) shows an average percentage change of 79.1% (worsened AQI (US)) compared to previous years: 2025 (33).