Saint Peter Port
2 km around Saint Peter Port
Air quality now
AQI 26
36.3%
tree cover
Healthy tree cover
Europe · air quality report · 1 city
Guernsey air quality today The AQI right now, city by city
Airleaf measures 1 city in Guernsey. Saint Peter Port reads AQI 26 right now.
- cities measured
- 1
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Guernsey
Air quality in Saint Peter Port right now
Good
Deforestation · 2001–2025
How much forest has Guernsey lost?
Since 2001, Guernsey has lost about 5 hectares of forest (about 7 football pitches): under 1% of the forest it had in 2000. Most of it (55%) was deforestation, forest cleared for good, mainly for towns and roads.
- Forest lost since 2001
- 5 haabout 7 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 3 hadeforestation: turned into farms, mines or towns
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 | 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 | 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 in Guernsey?
- Towns and roadscleared for good51% · 3 ha
- Unknown causescause unknown41% · 2 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. How it's measured
Build your own
Compare Guernsey with another country
This place
Guernsey
Clean-air buying guides
Cleaner air at home in Guernsey
Picked by tested clean-air delivery rate (CADR), noise and running cost, from independent test labels. No brand pays to be listed.
- The best air purifiers for wildfire smoke and smog
Air purifiers that keep up with wildfire smoke and winter smog, ranked by verified smoke CADR, with the room each one clears on a smoky day.
- The best air purifiers under $200
Good HEPA air purifiers under $200 at the makers' own prices, compared on verified clean air, room size and what the filters cost each year.
- NIOSH-approved N95 masks for smoke and smog
NIOSH-approved N95 masks and P100 respirators for smog and smoke, and how to get the fit right. Cloth and surgical masks do little against PM2.5.
Frequently asked
Air quality in Guernsey: your questions answered
What is the air quality in Guernsey today?
Airleaf measures 1 city in Guernsey. Saint Peter Port reads AQI 26 right now.
How much forest has Guernsey lost since 2001?
About 5 ha from 2001 to 2025, 0% of the forest it had in 2000, from the University of Maryland's yearly satellite maps of forest loss. 3 ha of it was cleared for good, for farms, mines or towns.
How does Airleaf measure air quality in Guernsey?
Each city's reading is the US EPA air quality index, from ground monitoring stations where one has reported recently nearby, and from the CAMS atmospheric model elsewhere; each city's report says which. Tree cover is measured over the same 2 km radius in every city, so the cities compare like for like.
More of Europe
Aland IslandsAlbaniaAndorraAustriaBelarusBelgiumBosnia and HerzegovinaBulgariaCroatiaCyprusCzechiaDenmarkEstoniaFaroe IslandsFinlandFranceGermanyGibraltarGreeceHungaryIcelandIrelandIsle of ManItalyJerseyKosovoLatviaLiechtensteinLithuaniaLuxembourgMaltaMoldovaMonacoMontenegroNorth MacedoniaNorwayPolandPortugalRomaniaRussiaSan MarinoSerbiaSlovakiaSloveniaSpainSvalbard and Jan MayenSwedenSwitzerlandThe NetherlandsUkraineUnited KingdomVatican
Your own street