Air Quality in Katwijk aan Zee, Netherlands

Drizzle
16.8°C · 89.8% humidity
16.8°
Feels 16.8°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
6 9pm
66
54
30 12am
28
26
18 3am
17
17
23 6am
23
23
22 9am
22
22
15 12pm
15
15
42 3pm
22
22
22 6pm
22
22
Station readings
6
66
54
25
CAMS model adj -12
34
34
34
34
34
34
27
27
27
34
34
34
34
34
34
27
27
27
54
34
34
34
34
34
AD 728×90

Air Quality Index Trend

47h · 5 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.

89.8%
Humidity
25.0 km/h
Wind ENE
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.26 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Katwijk aan Zee?

Temperature & Precipitation

PM2.5 Trend

47h · 5 stations
PM2.57.26 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
7.26
Median
5.74
Average
1.0
Low
14.82
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -0.2

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

09-05
16.8° 14.4°
0.63 mm
09-06
19.1° 16.4°
1.56 mm
09-07
17.3° 14.6°
4.75 mm
09-08
20.4° 15.9°
13.69 mm
09-09
18.1° 13.2°
6.31 mm
09-10
18.9° 12.0°
0.25 mm
09-11
14.8° 11.7°
2.13 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Katwijk aan Zee?

71
netherlands-voorhout-linnaeuslaan
6.0 km 17.1°C 74.7% RH PM2.5: 21.8 µg/m³ PM10: 27.1 µg/m³
29
Willem de Zwijgerlaan, Leiden
8.4 km PM2.5: 7.0 µg/m³
22
Willem de Zwijgerlaan, Leiden
8.4 km PM2.5: 5.3 µg/m³
4
Binnen
9.1 km 26.0°C 45.0% RH PM2.5: 1.0 µg/m³ PM10: 1.1 µg/m³
8
Buiten
9.1 km PM2.5: 2.0 µg/m³ PM10: 2.0 µg/m³
29
Vogelaarsdreef, De Zilk
12.9 km PM2.5: 7.0 µg/m³
10
netherlands-hof-van-scheveningen
15.5 km PM2.5: 2.4 µg/m³ PM10: 3.7 µg/m³
35
Rebecquestraat, Den Haag
15.9 km PM2.5: 8.4 µg/m³
21
netherlands-laak-binckhorstlaan
15.9 km 17.0°C 78.2% RH PM2.5: 5.1 µg/m³ PM10: 5.6 µg/m³
38
Den Haag-Neherkade
16.6 km PM2.5: 9.0 µg/m³ PM10: 18.3 µg/m³

What cities are near Katwijk aan Zee?

44 Noordwijk-Binnen 24 Oegstgeest 22 Wassenaar 25 Merenwijk 13 Leiden 43 Sassenheim 18 Voorschoten 18 Leiderdorp 32 Lisse 13 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 2026-09-05T22:44 UTC.