Air Quality in Katwijk aan Zee, Netherlands

Windy
19.8°C · 61.5% humidity
19.8°
Feels 19.8°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 12am
26
24
20 3am
18
17
16 6am
16
15
15 9am
15
14
14 12pm
34
34
34 3pm
34
34
34 6pm
34
14
14 9pm
14
14
Station readings
13
26
24
CAMS model adj -20
34
34
34
34
34
34
34
34
34
34
34
34
34
54
54
54
54
54
54
54
34
34
34
34
AD 728×90

Air Quality Index Trend

45h · 4 stn

Katwijk aan Zee's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

61.5%
Humidity
80.9 km/h
Wind SW
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Katwijk aan Zee?

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations
PM2.54.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
4.8
Median
5.74
Average
0.55
Low
8.9
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +2.2

What is the 7-day forecast for Katwijk aan Zee?

08-03
22.6° 17.6°
08-04
18.4° 17.0°
1.13 mm
08-05
20.2° 16.8°
08-06
22.8° 18.4°
2.19 mm
08-07
29.9° 17.4°
3.19 mm
08-08
19.2° 14.4°
9.06 mm
08-09
19.4° 16.1°
0.81 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Katwijk aan Zee?

30
netherlands-voorhout-linnaeuslaan
6.0 km 17.5°C 71.3% RH PM2.5: 7.3 µg/m³ PM10: 10.0 µg/m³
23
Willem de Zwijgerlaan, Leiden
8.4 km PM2.5: 5.5 µg/m³
28
Willem de Zwijgerlaan, Leiden
8.4 km PM2.5: 6.7 µg/m³
23
Vogelaarsdreef, De Zilk
12.9 km PM2.5: 5.5 µg/m³
28
Amsterdamse Veerkade, Den Haag
15.3 km PM2.5: 6.7 µg/m³
4
netherlands-hof-van-scheveningen
15.5 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³
18
netherlands-laak-binckhorstlaan
15.9 km 18.7°C 62.9% RH PM2.5: 4.4 µg/m³ PM10: 4.8 µg/m³
23
Den Haag-Neherkade
16.6 km PM2.5: 5.4 µg/m³ PM10: 13.6 µg/m³
23
Schipholweg, Haarlem
24.9 km PM2.5: 5.5 µg/m³
22
PNH Hoofddorp
25.6 km PM2.5: 5.3 µg/m³

What cities are near Katwijk aan Zee?

15 Noordwijk-Binnen 24 Oegstgeest 23 Wassenaar 29 Merenwijk 29 Leiden 15 Sassenheim 24 Voorschoten 28 Leiderdorp 28 Lisse 16 Scheveningen
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T01:04 UTC.