City report · North Holland, The Netherlands
Hoofddorp Air quality today
Air quality in Hoofddorp currently reads AQI 66 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 66
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 17.4
- tree cover
- 23.2%
- trees in this area
- 72.9K
- more trees needed
- 21.4K
Measured across a 2 km radius around Hoofddorp, Netherlands (12.57 km²), from a satellite image of Aug 12, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hoofddorp · AQI 66 (Moderate)
Hoofddorp's tree count comes to 72,885 trees across 12.57 km², 7 points below the 30% tree-cover level considered healthy for this area, so roughly 21,363 more trees would close the gap.
Air quality detail
Air quality in Hoofddorp today: AQI 66, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Badhoevedorp-Sloterweg, 6.7 km away · median of 3 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
17.4
PM10
25.8
NO₂
16.8
O₃
—
SO₂
—
CO
380.0
Data: OpenAQ · EEA
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Hoofddorp's daily AQI at 70 on average, from 41 on Nov 4 to an hourly peak of 102 on Nov 7.
Where Hoofddorp stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hoofddorp: Below target
23.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
72,885
Target trees
94,248
More trees needed
21,363
CO₂ if planted / yr
470.0 t
Deforestation · 2001–2025
How much forest has Hoofddorp lost?
Since 2001, the area within 10 km of Hoofddorp has lost about 53 hectares of forest (about 74 football pitches): 1.5% of the forest it had in 2000. Most of it (62%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 53 haabout 74 football pitches
- Share of its forest
- 1.5%of what there was in 2000
- Cleared for good
- 33 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 8 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 3 ha | 5 ha | 8 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | 2 ha |
| 2008 | 2 ha | 1 ha | 3 ha |
| 2009 | 1 ha | under 1 ha | 2 ha |
| 2010 | 3 ha | 1 ha | 4 ha |
| 2011 | under 1 ha | under 1 ha | 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | 1 ha |
| 2017 | 3 ha | 2 ha | 5 ha |
| 2018 | 5 ha | under 1 ha | 5 ha |
| 2019 | 3 ha | under 1 ha | 3 ha |
| 2020 | 2 ha | under 1 ha | 3 ha |
| 2021 | 4 ha | under 1 ha | 5 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | 1 ha | 2 ha |
| 2024 | 1 ha | under 1 ha | 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Hoofddorp?
- Towns and roadscleared for good58% · 31 ha
- Loggingcan grow back13% · 7 ha
- Farms, pasture and plantationscleared for good4.3% · 2 ha
Also: unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 2,340 ha
- Forest in 2020
- 2,640 ha
- Overall change
- +301 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hoofddorp grew from about 2,340 hectares to 2,640 hectares, a net gain of about 301 hectares (+13%). New forest grew on about 375 hectares, while 74 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Hoofddorp
Same 2 km radius, same index — so they compare directly.
- Amsterdam15.8 km
The Netherlands
- Tree cover
- 21%
- Air quality
- 71
- Zaanstad18.8 km
The Netherlands
- Tree cover
- 23%
- Air quality
- 74
- Leiden20.9 km
The Netherlands
- Tree cover
- 30%
- Air quality
- 118
- Zoetermeer30.3 km
The Netherlands
- Tree cover
- 32%
- Air quality
- 110
- Almere Stad36.5 km
The Netherlands
- Tree cover
- 34%
- Air quality
- 110
- The Hague36.6 km
The Netherlands
- Tree cover
- 22%
- Air quality
- 74
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Frequently asked
Questions about Hoofddorp
What is the air quality (AQI) in Hoofddorp right now?
The latest reading for Hoofddorp shows an AQI of 66 (Moderate), measured Nov 11, 17:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Badhoevedorp-Sloterweg, 6.7 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Hoofddorp today?
At AQI 66 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Hoofddorp been like this week?
Over the last 7 days, the CAMS air-quality model put Hoofddorp's daily AQI at 70 on average, from 41 on Nov 4 to an hourly peak of 102 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Hoofddorp lost since 2001?
Since 2001, the area within 10 km of Hoofddorp has lost about 53 hectares of forest (about 74 football pitches): 1.5% of the forest it had in 2000. Most of it (62%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Hoofddorp grew from about 2,340 hectares to 2,640 hectares, a net gain of about 301 hectares (+13%). New forest grew on about 375 hectares, while 74 hectares were lost.
What is the tree count in Hoofddorp?
Hoofddorp has an estimated 72,885 trees across the 12.57 km² measured — 23.2% tree cover, 7 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hoofddorp need?
Hoofddorp needs roughly 21,363 more trees to close a 7-point shortfall against its 30% tree-cover target — about 470.0 t of extra CO₂ absorbed per year once grown.
How are Hoofddorp's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Hoofddorp, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Hoofddorp; the tree count is an estimate derived from that cover.
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