Rotterdam, 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
Rotterdam, South Holland, Netherlands
AQI Trends: Highest and Lowest
Same Day Analysis (15th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Sep - 16th Sep 2025
Rotterdam, South Holland, Netherlands
6 AM15th Sep 2025
8 PM
5 AM16th Sep 2025
33AQI
22AQI
26AQI
20AQI
In the last 24 hours,
Rotterdam's AQI reached its highest point of 33 at 7 AM during the Day, while the lowest point, 20, was recorded at 1 AM during the Night between 15th Sep and 16th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Rotterdam, South Holland, Netherlands
17°C13/20°C
20°C17/26°C
20°C14/27°C
19°C14/25°C
18°C14/22°C
16°C13/19°C
16°C12/19°C
16°C11/21°C
18°C12/25°C
20°C13/29°C
20°C15/26°C
18°C14/21°C
17°C13/23°C
18°C13/23°C
19°C17/23°C
19°C16/24°C
18°C14/23°C
19°C16/24°C
18°C15/23°C
17°C14/20°C
18°C12/24°C
22°C14/31°C
19°C15/22°C
15°C11/18°C
16°C11/23°C
16°C14/19°C
14°C12/18°C
14°C12/19°C
15°C11/19°C
17°C14/19°C
--°C/°C
25AQI
20AQI
23AQI
19AQI
2025 Days Vs Air Quality
Rotterdam, South Holland, Netherlands
97%
107
3%
3
Total number of days with different AQI categories in last 259 days in 2025 (106 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 259 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
Rotterdam, South Holland, Netherlands
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
29AQI
25AQI
30AQI
27AQI
24AQI
20AQI
17AQI
17AQI
15AQI
17AQI
38AQI
55AQI
46AQI
43AQI
49AQI
47AQI
36AQI
35AQI
34AQI
36AQI
35AQI
29AQI
30AQI
30AQI
26AQI
27AQI
27AQI
28AQI
29AQI
24AQI
21AQI
22AQI
24AQI
32AQI
23AQI
21AQI
20AQI
19AQI
19AQI
19AQI
22AQI
24AQI
22AQI
21AQI
24AQI
25AQI
25AQI
25AQI
23AQI
23AQI
32AQI
36AQI
26AQI
22AQI
20AQI
23AQI
22AQI
28AQI
25AQI
25AQI
22AQI
20AQI
21AQI
20AQI
20AQI
21AQI
22AQI
23AQI
26AQI
26AQI
28AQI
39AQI
34AQI
33AQI
44AQI
53AQI
58AQI
45AQI
45AQI
33AQI
24AQI
23AQI
26AQI
22AQI
19AQI
18AQI
18AQI
22AQI
27AQI
29AQI
31AQI
24AQI
21AQI
18AQI
19AQI
19AQI
17AQI
17AQI
18AQI
19AQI
21AQI
23AQI
21AQI
21AQI
20AQI
19AQI
17AQI
18AQI
20AQI
31AQI
30AQI
24AQI
29AQI
19AQI
No. of days
202527AQI
Highest AQI recorded in
May31AQI
Lowest AQI recorded in
September19AQI
Most & Least Polluted Years Over the Last 1 Years
Rotterdam's annual 2025 AQI (27) shows an average percentage change of NaN% (improved AQI) compared to previous years: .