West, Ridderkerk, South Holland, Netherlands Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
West, Ridderkerk, South Holland, Netherlands
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
West, Ridderkerk, South Holland, Netherlands
7 AM30th Sep 2025
7 PM
6 AM1st Oct 2025
AQI
AQI
46AQI
8AQI
In the last 24 hours,
West's AQI reached its highest point of 46 at 3 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
West, Ridderkerk, South Holland, Netherlands
19°C15/25°C
18°C13/24°C
19°C16/24°C
18°C14/24°C
16°C12/21°C
17°C11/24°C
22°C13/31°C
19°C14/23°C
14°C10/17°C
16°C10/23°C
16°C13/19°C
14°C12/18°C
14°C11/20°C
15°C10/19°C
17°C14/20°C
15°C13/18°C
15°C12/18°C
19°C16/23°C
20°C14/27°C
19°C17/25°C
14°C10/16°C
12°C9/16°C
13°C9/18°C
12°C8/17°C
12°C9/15°C
13°C9/17°C
13°C9/18°C
14°C9/20°C
14°C10/19°C
--°C/°C
--°C/°C
25AQI
19AQI
21AQI
19AQI
2025 Days Vs Air Quality
West, Ridderkerk, South Holland, Netherlands
98%
121
2%
3
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 273 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
West, Ridderkerk, South Holland, Netherlands
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
30AQI
25AQI
30AQI
25AQI
24AQI
21AQI
17AQI
17AQI
14AQI
17AQI
37AQI
55AQI
46AQI
48AQI
50AQI
49AQI
38AQI
35AQI
35AQI
34AQI
33AQI
29AQI
28AQI
27AQI
26AQI
26AQI
24AQI
24AQI
25AQI
20AQI
19AQI
21AQI
23AQI
32AQI
24AQI
22AQI
21AQI
20AQI
20AQI
21AQI
23AQI
25AQI
23AQI
22AQI
25AQI
28AQI
27AQI
26AQI
24AQI
23AQI
35AQI
42AQI
26AQI
23AQI
21AQI
24AQI
22AQI
28AQI
24AQI
22AQI
21AQI
19AQI
19AQI
19AQI
19AQI
22AQI
22AQI
23AQI
26AQI
26AQI
28AQI
37AQI
33AQI
32AQI
43AQI
53AQI
60AQI
46AQI
44AQI
31AQI
24AQI
22AQI
25AQI
21AQI
19AQI
18AQI
18AQI
22AQI
28AQI
28AQI
30AQI
24AQI
21AQI
18AQI
19AQI
18AQI
17AQI
17AQI
19AQI
19AQI
22AQI
23AQI
21AQI
21AQI
19AQI
18AQI
17AQI
18AQI
21AQI
22AQI
21AQI
17AQI
17AQI
22AQI
19AQI
17AQI
15AQI
13AQI
15AQI
20AQI
42AQI
44AQI
43AQI
30AQI
30AQI
24AQI
28AQI
21AQI
No. of days
202526AQI
Highest AQI recorded in
May30AQI
Lowest AQI recorded in
September21AQI
Most & Least Polluted Years Over the Last 1 Years
West's annual 2025 AQI (26) shows an average percentage change of NaN% (improved AQI) compared to previous years: .