City report · South Holland, The Netherlands
Dordrecht Air quality today
Air quality in Dordrecht currently reads AQI 78 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 78
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 23.5
- tree cover
- 30.4%
- trees in this area
- 81.1K
- more trees needed
- 0
Measured across a 2 km radius around Park Merwestein en omgeving, Dordrecht, Netherlands (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Dordrecht · AQI 78 (Moderate)
Dordrecht's tree count comes to 81,083 trees across 10.67 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Dordrecht today: AQI 78, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 19:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Rotterdam Zuid-Zwartewaalstraat, 15.8 km away · median of 17 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
23.5
PM10
28.3
NO₂
21.5
O₃
16.9
SO₂
1.3
CO
—
Data: OpenAQ · EEA, Netherlands, RIVM · Luchtmeetnet
- 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 Dordrecht's daily AQI at 72 on average, from 45 on Nov 4 to an hourly peak of 98 on Nov 10.
Where Dordrecht stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Dordrecht: Healthy tree cover
30.4% tree cover against a 30% healthy-neighborhood target, across 10.67 km² of land.
Trees in this area
81,083
Target trees
81,083
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Dordrecht lost?
Since 2001, the area within 10 km of Dordrecht has lost about 39 hectares of forest (about 55 football pitches): 1.1% of the forest it had in 2000. The biggest cause was farms, pasture and plantations (24%). About 17 hectares (44%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 39 haabout 55 football pitches
- Share of its forest
- 1.1%of what there was in 2000
- Cleared for good
- 17 hadeforestation: turned into farms, mines or towns
The worst year was 2021, when about 4 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 | 2 ha | 2 ha | 4 ha |
| 2002 | under 1 ha | 1 ha | 2 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 | under 1 ha |
| 2008 | under 1 ha | 2 ha | 2 ha |
| 2009 | under 1 ha | 1 ha | 1 ha |
| 2010 | 1 ha | 2 ha | 3 ha |
| 2011 | 2 ha | 1 ha | 3 ha |
| 2012 | under 1 ha | 1 ha | 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 2 ha | under 1 ha | 2 ha |
| 2017 | under 1 ha | 1 ha | 2 ha |
| 2018 | under 1 ha | under 1 ha | 1 ha |
| 2019 | under 1 ha | 1 ha | 2 ha |
| 2020 | 2 ha | 2 ha | 4 ha |
| 2021 | 3 ha | 1 ha | 4 ha |
| 2022 | under 1 ha | under 1 ha | 1 ha |
| 2023 | 1 ha | under 1 ha | 2 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Dordrecht?
- Farms, pasture and plantationscleared for good24% · 9 ha
- Loggingcan grow back22% · 9 ha
- Towns and roadscleared for good20% · 8 ha
Also: storms, floods and other natural causes, 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
- 3,290 ha
- Forest in 2020
- 3,640 ha
- Overall change
- +341 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Dordrecht grew from about 3,290 hectares to 3,640 hectares, a net gain of about 341 hectares (+10%). New forest grew on about 542 hectares, while 200 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 Dordrecht
Same 2 km radius, same index — so they compare directly.
- Rotterdam18.3 km
The Netherlands
- Tree cover
- 26%
- Air quality
- 76
- Breda25.8 km
The Netherlands
- Tree cover
- 25%
- Air quality
- 77
- Zoetermeer30.2 km
The Netherlands
- Tree cover
- 32%
- Air quality
- 114
- The Hague39.2 km
The Netherlands
- Tree cover
- 22%
- Air quality
- 76
- Tilburg40.4 km
The Netherlands
- Tree cover
- 26%
- Air quality
- 76
- Leiden40.7 km
The Netherlands
- Tree cover
- 30%
- Air quality
- 121
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Frequently asked
Questions about Dordrecht
What is the air quality (AQI) in Dordrecht right now?
The latest reading for Dordrecht shows an AQI of 78 (Moderate), measured Nov 11, 19:00 local time by 17 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Rotterdam Zuid-Zwartewaalstraat, 15.8 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Dordrecht today?
At AQI 78 (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 Dordrecht been like this week?
Over the last 7 days, the CAMS air-quality model put Dordrecht's daily AQI at 72 on average, from 45 on Nov 4 to an hourly peak of 98 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Dordrecht lost since 2001?
Since 2001, the area within 10 km of Dordrecht has lost about 39 hectares of forest (about 55 football pitches): 1.1% of the forest it had in 2000. The biggest cause was farms, pasture and plantations (24%). About 17 hectares (44%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Dordrecht grew from about 3,290 hectares to 3,640 hectares, a net gain of about 341 hectares (+10%). New forest grew on about 542 hectares, while 200 hectares were lost.
What is the tree count in Dordrecht?
Dordrecht has an estimated 81,083 trees across the 10.67 km² of land measured — 30.4% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Dordrecht need?
Dordrecht has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Dordrecht's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Park Merwestein en omgeving, 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 Park Merwestein en omgeving; the tree count is an estimate derived from that cover.
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