Air Quality in Haarlem, Netherlands

Drizzle
13.9°C · 74.7% humidity
13.9°
Feels 13.9°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
18 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
1 1am
0
0
58 4am
42
30
22 7am
16
12
8 10am
6
4
3 1pm
3
3
2 4pm
2
2
0 7pm
0
0
0 10pm
0
0
Station readings
1
5
2
CAMS model adj -26
27
25
25
25
25
25
25
25
27
25
25
25
25
27
27
27
27
27
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

Haarlem'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 Haarlem is 1.0× the WHO 24-hour guideline of 15 µg/m³.

74.7%
Humidity
53.5 km/h
Wind W
1017.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
58
15.54 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Haarlem?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.515.54 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (18 stations within 25 km)
15.54
Median
6.19
Average
0.68
Low
17.3
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -9.6

What is the 7-day forecast for Haarlem?

06-09
15.3° 13.3°
1.87 mm
06-10
18.5° 13.0°
0.19 mm
06-11
15.7° 14.6°
1.81 mm
06-12
13.7° 12.8°
1.31 mm
06-13
17.6° 12.7°
0.13 mm
06-14
17.0° 14.2°
0.62 mm
06-15
15.1° 13.5°
1.06 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Haarlem?

28
Schipholweg, Haarlem
1.2 km PM2.5: 6.7 µg/m³
51
Schipholweg, Haarlem
1.2 km PM2.5: 12.1 µg/m³
61
PNH Hoofddorp
8.0 km PM2.5: 16.9 µg/m³
15
Staalstraat, Velsen
10.7 km PM2.5: 3.6 µg/m³
30
PNH Badhoevedorp
10.7 km PM2.5: 7.2 µg/m³
34
West, PNH Beverwijk
12.1 km PM2.5: 8.2 µg/m³
–
Wijk aan Zee-Bosweg
12.4 km PM2.5: -2.2 µg/m³ PM10: 1.9 µg/m³
53
PNH Wijk aan Zee
12.8 km PM2.5: 13.1 µg/m³
55
PNH Hemkade
14.0 km PM2.5: 14.0 µg/m³
24
Wagenschotpad, Zaandam
14.3 km PM2.5: 5.8 µg/m³

What cities are near Haarlem?

52 Heemstede 28 Velserbroek 34 Zandvoort 26 Velsen-Zuid 23 IJmuiden 28 Hoofddorp 28 Hillegom 27 Beverwijk 25 Assendelft 28 Nieuw-Vennep
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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 2026-06-09T02:02 UTC.