City report · Haiti
Port-au-Prince Air quality today
Air quality in Port-au-Prince currently reads AQI 57 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 57
Moderate
- PM2.5, fine particles (µg/m³)
- 15.4
- tree cover
- 22.0%
- trees in this area
- 62.9K
- more trees needed
- 22.9K
Measured across a 2 km radius around Morne A Tuff, Port-au-Prince, Haiti (12.57 km²), from a satellite image of Sep 19, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Port-au-Prince · AQI 57 (Moderate)
Port-au-Prince's tree count comes to 62,895 trees across 11.44 km² of land, 8 points below the 30% tree-cover level considered healthy for this area, so roughly 22,871 more trees would close the gap.
Air quality detail
Air quality in Port-au-Prince today: AQI 57, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 17:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
15.4
PM10
16.9
NO₂
11.8
O₃
58.0
SO₂
3.1
CO
670.0
- 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 Port-au-Prince's daily AQI at 83 on average, from 60 on Nov 8 to an hourly peak of 165 on Nov 6.
Where Port-au-Prince stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Port-au-Prince: Below target
22.0% tree cover against a 30% healthy-neighborhood target, across 11.44 km² of land.
Trees in this area
62,895
Target trees
85,766
More trees needed
22,871
CO₂ if planted / yr
503.2 t
Deforestation · 2001–2025
How much forest has Port-au-Prince lost?
Since 2001, the area within 10 km of Port-au-Prince has lost about 176 hectares of forest (about 250 football pitches): 3.7% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 176 haabout 250 football pitches
- Share of its forest
- 3.7%of what there was in 2000
- Cleared for good
- 166 hadeforestation: turned into farms, mines or towns
The worst year was 2012, when about 29 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 | under 1 ha | 2 ha |
| 2002 | 5 ha | under 1 ha | 5 ha |
| 2003 | 6 ha | under 1 ha | 6 ha |
| 2004 | 18 ha | 1 ha | 19 ha |
| 2005 | 10 ha | under 1 ha | 11 ha |
| 2006 | 2 ha | under 1 ha | 3 ha |
| 2007 | 4 ha | under 1 ha | 4 ha |
| 2008 | 12 ha | under 1 ha | 12 ha |
| 2009 | 3 ha | under 1 ha | 4 ha |
| 2010 | 5 ha | under 1 ha | 5 ha |
| 2011 | 15 ha | 2 ha | 17 ha |
| 2012 | 28 ha | under 1 ha | 29 ha |
| 2013 | 6 ha | under 1 ha | 7 ha |
| 2014 | 12 ha | 1 ha | 13 ha |
| 2015 | 2 ha | under 1 ha | 2 ha |
| 2016 | 11 ha | 1 ha | 12 ha |
| 2017 | 11 ha | 1 ha | 12 ha |
| 2018 | 1 ha | under 1 ha | 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | 2 ha | under 1 ha | 2 ha |
| 2022 | 4 ha | under 1 ha | 4 ha |
| 2023 | 3 ha | under 1 ha | 3 ha |
| 2024 | 3 ha | under 1 ha | 3 ha |
| 2025 | 2 ha | under 1 ha | 2 ha |
What is causing deforestation around Port-au-Prince?
- Towns and roadscleared for good68% · 120 ha
- Farms, pasture and plantationscleared for good20% · 35 ha
- Mining and energycleared for good6.4% · 11 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
- 7,990 ha
- Forest in 2020
- 8,060 ha
- Overall change
- +79 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Port-au-Prince stayed about the same size, at about 8,060 hectares: new forest grew on about 205 hectares, and about 126 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 Port-au-Prince
Same 2 km radius, same index — so they compare directly.
- Croix-des-Bouquets12.4 km
Haiti
- Tree cover
- 22%
- Air quality
- 145
- Léogâne31.3 km
Haiti
- Tree cover
- 63%
- Air quality
- 122
- Jacmel40.1 km
Haiti
- Tree cover
- 52%
- Air quality
- 68
- Tigwav56.9 km
Haiti
- Tree cover
- 64%
- Air quality
- 134
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Frequently asked
Questions about Port-au-Prince
What is the air quality (AQI) in Port-au-Prince right now?
The latest reading for Port-au-Prince shows an AQI of 57 (Moderate), observed Nov 10, 17:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Port-au-Prince today?
At AQI 57 (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 Port-au-Prince been like this week?
Over the last 7 days, the CAMS air-quality model put Port-au-Prince's daily AQI at 83 on average, from 60 on Nov 8 to an hourly peak of 165 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Port-au-Prince lost since 2001?
Since 2001, the area within 10 km of Port-au-Prince has lost about 176 hectares of forest (about 250 football pitches): 3.7% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Port-au-Prince stayed about the same size, at about 8,060 hectares: new forest grew on about 205 hectares, and about 126 hectares were lost.
What is the tree count in Port-au-Prince?
Port-au-Prince has an estimated 62,895 trees across the 11.44 km² of land measured — 22.0% tree cover, 8 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Port-au-Prince need?
Port-au-Prince needs roughly 22,871 more trees to close a 8-point shortfall against its 30% tree-cover target — about 503.2 t of extra CO₂ absorbed per year once grown.
How are Port-au-Prince's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Morne A Tuff; the tree count is an estimate derived from that cover.
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