City report · Svalbard and Jan Mayen
Longyearbyen Air quality today
Air quality in Longyearbyen currently reads AQI 8 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 8
Good
- PM2.5, fine particles (µg/m³)
- 1.5
- tree cover
- 0%
- trees in this area
- 0
- more trees needed
- 43.4K
Measured across a 2 km radius around Longyearbyen 9170, Svalbard and Jan Mayen (12.57 km²), from a satellite image of Aug 2, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Longyearbyen · AQI 8 (Good)
Longyearbyen's tree count comes to 0 trees across 5.79 km² of land, 30 points below the 30% tree-cover level considered healthy for this area, so roughly 43,448 more trees would close the gap.
Air quality detail
Air quality in Longyearbyen today: AQI 8, Good
Main pollutant: PM2.5 · Observed Nov 10, 14:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.5
PM10
2.1
NO₂
0.0
O₃
77.0
SO₂
0.1
CO
109.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Longyearbyen's daily AQI at 3 on average, from 0 on Nov 7 to an hourly peak of 15 on Nov 5.
Where Longyearbyen stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Longyearbyen: Critically low
0% tree cover against a 30% healthy-neighborhood target, across 5.79 km² of land.
Trees in this area
0
Target trees
43,448
More trees needed
43,448
CO₂ if planted / yr
955.9 t
Deforestation · 2001–2025
How much forest has Longyearbyen lost?
There was almost no forest around Longyearbyen in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2018: satellite photo from June 2018 of a 5 × 5 km area in the city center.
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 Longyearbyen
Same 2 km radius, same index — so they compare directly.
- Murmansk1155.1 km
Russia
- Tree cover
- 43%
- Air quality
- 26
- Oulu1503.8 km
Finland
- Tree cover
- 38%
- Air quality
- 19
- Umeå1608.1 km
Sweden
- Tree cover
- 41%
- Air quality
- 6
- Trondheim1654.4 km
Norway
- Tree cover
- 38%
- Air quality
- 29
- Severodvinsk1714.7 km
Russia
- Tree cover
- 34%
- Air quality
- 13
- Arkhangel’sk1727.0 km
Russia
- Tree cover
- 30%
- Air quality
- 20
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Frequently asked
Questions about Longyearbyen
What is the air quality (AQI) in Longyearbyen right now?
The latest reading for Longyearbyen shows an AQI of 8 (Good), observed Nov 10, 14:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Longyearbyen today?
At AQI 8 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Longyearbyen been like this week?
Over the last 7 days, the CAMS air-quality model put Longyearbyen's daily AQI at 3 on average, from 0 on Nov 7 to an hourly peak of 15 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Longyearbyen lost since 2001?
There was almost no forest around Longyearbyen in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
What is the tree count in Longyearbyen?
Longyearbyen has an estimated 0 trees across the 5.79 km² of land measured — 0% tree cover, 30 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Longyearbyen need?
Longyearbyen needs roughly 43,448 more trees to close a 30-point shortfall against its 30% tree-cover target — about 955.9 t of extra CO₂ absorbed per year once grown.
How are Longyearbyen'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 Longyearbyen 9170; the tree count is an estimate derived from that cover.
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