City report · Bermuda
Hamilton Air quality today
Air quality in Hamilton currently reads AQI 52 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 52
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 9.2
- tree cover
- 23.3%
- trees in this area
- 33.7K
- more trees needed
- 9.7K
Measured across a 2 km radius around Hamilton, Bermuda (12.57 km²), from a satellite image of Sep 1, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hamilton · AQI 52 (Moderate)
Hamilton's tree count comes to 33,672 trees across 5.78 km² of land, 7 points below the 30% tree-cover level considered healthy for this area, so roughly 9,682 more trees would close the gap.
Air quality detail
Air quality in Hamilton today: AQI 52, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 16:00 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
9.2
PM10
14.8
NO₂
0.5
O₃
92.0
SO₂
0.4
CO
141.0
- 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 Hamilton's daily AQI at 53 on average, from 48 on Nov 8 to an hourly peak of 61 on Nov 7.
Where Hamilton stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hamilton: Below target
23.3% tree cover against a 30% healthy-neighborhood target, across 5.78 km² of land.
Trees in this area
33,672
Target trees
43,354
More trees needed
9,682
CO₂ if planted / yr
213.0 t
Deforestation · 2001–2025
How much forest has Hamilton lost?
Since 2001, the area within 10 km of Hamilton has lost about 7 hectares of forest (about 9 football pitches): 1.3% of the forest it had in 2000. Most of it (55%) was deforestation, forest cleared for good, mainly for towns and roads.
2020: satellite photo from August 2020 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 7 haabout 9 football pitches
- Share of its forest
- 1.3%of what there was in 2000
- Cleared for good
- 4 hadeforestation: turned into farms, mines or towns
The worst year was 2013, when about 1 hectare 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 | under 1 ha | under 1 ha | under 1 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 | under 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 | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | 1 ha | under 1 ha | 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 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 Hamilton?
- Towns and roadscleared for good55% · 4 ha
- Unknown causescause unknown45% · 3 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Hamilton
Same 2 km radius, same index — so they compare directly.
- Virginia Beach1142.4 km
United States
- Tree cover
- 30%
- Air quality
- 39
- Norfolk1167.3 km
United States
- Tree cover
- 20%
- Air quality
- 39
- New Bedford1172.5 km
United States
- Tree cover
- 19%
- Air quality
- 28
- East Hampton1179.3 km
United States
- Tree cover
- 50%
- Air quality
- 39
- Newport News1184.9 km
United States
- Tree cover
- 16%
- Air quality
- 39
- Providence1211.0 km
United States
- Tree cover
- 25%
- Air quality
- 29
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Frequently asked
Questions about Hamilton
What is the air quality (AQI) in Hamilton right now?
The latest reading for Hamilton shows an AQI of 52 (Moderate), observed Nov 10, 16:00 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 Hamilton today?
At AQI 52 (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 Hamilton been like this week?
Over the last 7 days, the CAMS air-quality model put Hamilton's daily AQI at 53 on average, from 48 on Nov 8 to an hourly peak of 61 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 Hamilton lost since 2001?
Since 2001, the area within 10 km of Hamilton has lost about 7 hectares of forest (about 9 football pitches): 1.3% of the forest it had in 2000. Most of it (55%) was deforestation, forest cleared for good, mainly for towns and roads.
What is the tree count in Hamilton?
Hamilton has an estimated 33,672 trees across the 5.78 km² of land measured — 23.3% tree cover, 7 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hamilton need?
Hamilton needs roughly 9,682 more trees to close a 7-point shortfall against its 30% tree-cover target — about 213.0 t of extra CO₂ absorbed per year once grown.
How are Hamilton'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 Hamilton; the tree count is an estimate derived from that cover.
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