Air Quality in Katwijk aan Zee, Netherlands

Rain
8.1°C · 94.1% humidity
8.1°
Feels 4.0°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 11pm
18
8
20 2am
20
20
20 5am
20
32
32 8am
32
20
20 11am
32
32
32 2pm
45
45
45 5pm
45
45
45 8pm
45
45
Station readings
13
18
8
CAMS model adj -5
37
37
37
25
25
25
25
25
37
37
37
25
25
37
37
37
50
50
50
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

26h · 5 stations
94.1%
Humidity
29.8 km/h
Wind NW
1013.1 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.51.1 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX6.9
High
AD 300×250
1.1
Median
0.99
Average
0.2
Low
1.57
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +22.3
04-10
9.8° 5.8°
3.31 mm
04-11
8.8° 7.6°
2.69 mm
04-12
8.9° 6.6°
0.38 mm
04-13
10.7° 6.8°
1.31 mm
04-14
12.4° 6.0°
04-15
12.4° 5.9°
04-16
12.5° 6.3°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T02:21 UTC.