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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!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Hoorn, Noord Holland, Netherlands

AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
NaNth undefined NaN
0AQI
Lowest AQI recorded on
NaNth undefined NaN
InfinityAQI


Same Day Analysis (NaNth undefined ):
On this day, AQI across the 0 years varied significantly: 2025 ranks 1st highest AQI at 0 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

2025 Days Vs Air Quality

Hoorn, Noord Holland, Netherlands

2025

95%

61

5%

3

Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)

Good
61 Days
Moderate
3 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2025, 95% of 213 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Hoorn, Noord Holland, Netherlands

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st May 2025
46AQI
2nd May 2025
35AQI
3rd May 2025
36AQI
1st June 2025
33AQI
2nd June 2025
31AQI
3rd June 2025
31AQI
4th June 2025
23AQI
5th June 2025
23AQI
6th June 2025
20AQI
7th June 2025
22AQI
8th June 2025
23AQI
9th June 2025
43AQI
10th June 2025
57AQI
11th June 2025
39AQI
12th June 2025
42AQI
13th June 2025
54AQI
14th June 2025
53AQI
15th June 2025
39AQI
16th June 2025
35AQI
17th June 2025
36AQI
18th June 2025
39AQI
19th June 2025
31AQI
20th June 2025
24AQI
21st June 2025
29AQI
22nd June 2025
34AQI
23rd June 2025
28AQI
24th June 2025
29AQI
25th June 2025
28AQI
26th June 2025
30AQI
27th June 2025
25AQI
28th June 2025
22AQI
29th June 2025
21AQI
30th June 2025
25AQI
1st July 2025
29AQI
2nd July 2025
49AQI
3rd July 2025
28AQI
4th July 2025
23AQI
5th July 2025
22AQI
6th July 2025
24AQI
7th July 2025
19AQI
8th July 2025
20AQI
9th July 2025
23AQI
10th July 2025
27AQI
11th July 2025
24AQI
12th July 2025
21AQI
13th July 2025
28AQI
14th July 2025
27AQI
15th July 2025
25AQI
16th July 2025
23AQI
17th July 2025
20AQI
18th July 2025
23AQI
19th July 2025
38AQI
20th July 2025
48AQI
21st July 2025
29AQI
22nd July 2025
22AQI
23rd July 2025
22AQI
24th July 2025
24AQI
25th July 2025
26AQI
26th July 2025
35AQI
27th July 2025
25AQI
28th July 2025
24AQI
29th July 2025
19AQI
30th July 2025
18AQI
31st July 2025
19AQI

39AQI

32AQI

26AQI


No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202530AQI

3
27
3
31
61
3

Highest AQI recorded in

May

39AQI


Lowest AQI recorded in

July

26AQI


Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
30AQI
Least Polluted Year Recorded
2025(Avg.)
30AQI


Hoorn's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .