City report · Iceland
Reykjavík Air quality today
Air quality in Reykjavík currently reads AQI 59 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 59
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 10.8
- tree cover
- 25.0%
- trees in this area
- 71.5K
- more trees needed
- 14.3K
Measured across a 2 km radius around Háaleiti og Bústaðir, Reykjavík, Iceland (12.57 km²), from a satellite image of Sep 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Reykjavík · AQI 59 (Moderate)
Reykjavík's tree count comes to 71,550 trees across 11.45 km² of land, 5 points below the 30% tree-cover level considered healthy for this area, so roughly 14,310 more trees would close the gap.
Air quality detail
Air quality in Reykjavík today: AQI 59, Moderate
Main pollutant: PM10 · Observed Nov 11, 18:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Reykjavik Husdyragardurinn, 1.1 km away · median of 9 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.8
PM10
72.2
NO₂
28.9
O₃
29.2
SO₂
3.8
CO
27.3
Data: OpenAQ · EEA, Umhverfisstofnun, Environment Agency of Iceland (Umhverfisstofnun)
- 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 Reykjavík's daily AQI at 16 on average, from 10 on Nov 8 to an hourly peak of 32 on Nov 6.
Where Reykjavík stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Reykjavík: Below target
25.0% tree cover against a 30% healthy-neighborhood target, across 11.45 km² of land.
Trees in this area
71,550
Target trees
85,860
More trees needed
14,310
CO₂ if planted / yr
314.8 t
Deforestation · 2001–2025
How much forest has Reykjavík lost?
There was almost no forest around Reykjavík 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.
2017: satellite photo from July 2017 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
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Frequently asked
Questions about Reykjavík
What is the air quality (AQI) in Reykjavík right now?
The latest reading for Reykjavík shows an AQI of 59 (Moderate), measured Nov 11, 18:00 local time by 9 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Reykjavik Husdyragardurinn, 1.1 km away). The main pollutant is PM10. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Reykjavík today?
At AQI 59 (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 Reykjavík been like this week?
Over the last 7 days, the CAMS air-quality model put Reykjavík's daily AQI at 16 on average, from 10 on Nov 8 to an hourly peak of 32 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 Reykjavík lost since 2001?
There was almost no forest around Reykjavík 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 Reykjavík?
Reykjavík has an estimated 71,550 trees across the 11.45 km² of land measured — 25.0% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Reykjavík need?
Reykjavík needs roughly 14,310 more trees to close a 5-point shortfall against its 30% tree-cover target — about 314.8 t of extra CO₂ absorbed per year once grown.
How are Reykjavík's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Háaleiti og Bústaðir, 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 Háaleiti og Bústaðir; the tree count is an estimate derived from that cover.
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