Air Quality in Hillegom, Netherlands

Windy
19.8°C · 61.5% humidity
19.8°
Feels 19.8°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
16 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 1am
28
20
31 4am
27
25
23 7am
21
20
20 10am
19
19
39 1pm
38
38
38 4pm
38
38
38 7pm
18
18
18 10pm
18
18
Station readings
28
28
20
CAMS model adj -16
34
34
34
34
34
34
34
34
34
34
34
34
54
54
54
54
54
54
54
34
34
34
34
34
AD 728×90

Air Quality Index Trend

42h · 5 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.

61.5%
Humidity
80.9 km/h
Wind SW
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
31
7.44 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

42h · 5 stations
PM2.57.44 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
7.44
Median
7.63
Average
1.56
Low
11.5
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -0.4
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
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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 2026-08-08T02:07 UTC.