Air Quality in Hillegom, Netherlands

Windy
14.6°C · 53.5% humidity
14.6°
Feels 14.6°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
20 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
108 4pm
95
84
62 7pm
74
83
89 10pm
94
97
99 1am
101
102
103 4am
83
84
84 7am
84
85
85 10am
85
85
105 1pm
105
105
Station readings
108
95
84
88
CAMS model adj +51
54
54
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
34
54
54
54
AD 728×90

Air Quality Index Trend

46h · 2 stn

Hillegom'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. Current PM2.5 concentration in Hillegom is 1.1× the WHO 24-hour guideline of 15 µg/m³.

53.5%
Humidity
85.4 km/h
Wind NNE
1022.8 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
62
17.12 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Hillegom?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.517.12 µg/m³ ×1.1 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (20 stations within 25 km)
17.12
Median
16.0
Average
8.2
Low
31.6
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -0.8

What is the 7-day forecast for Hillegom?

05-29
15.4° 13.8°
05-30
14.1° 13.0°
0.25 mm
05-31
21.1° 10.7°
0.81 mm
06-01
18.7° 11.5°
06-02
24.4° 14.1°
10.94 mm
06-03
15.0° 12.3°
3.19 mm
06-04
26.2° 20.5°
5.12 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Hillegom?

34
Schipholweg, Haarlem
9.7 km PM2.5: 8.2 µg/m³
14
Schipholweg, Haarlem
9.7 km PM2.5: 3.4 µg/m³
48
PNH Hoofddorp
9.8 km PM2.5: 11.5 µg/m³
82
netherlands-voorhout-linnaeuslaan
10.5 km 19.0°C 76.9% RH PM2.5: 27.0 µg/m³ PM10: 28.9 µg/m³
34
PNH Badhoevedorp
13.8 km PM2.5: 8.2 µg/m³
6
Willem de Zwijgerlaan, Leiden
14.6 km PM2.5: 1.4 µg/m³
61
Staalstraat, Velsen
20.9 km PM2.5: 16.9 µg/m³
37
Wijk aan Zee-Bosweg
22.2 km PM2.5: 8.9 µg/m³ PM10: 24.3 µg/m³
13
PNH Hemkade
22.2 km PM2.5: 3.1 µg/m³
55
West, PNH Beverwijk
22.4 km PM2.5: 14.0 µg/m³

What cities are near Hillegom?

65 Lisse 61 Nieuw-Vennep 60 Heemstede 59 Hoofddorp 76 Sassenheim 60 Zandvoort 61 Haarlem 77 Noordwijk-Binnen 58 Aalsmeer 45 Merenwijk
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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 2026-05-29T17:25 UTC.