City report · Asturias, Spain
Oviedo Air quality today
Air quality in Oviedo currently reads AQI 69 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 69
Moderate
- PM2.5, fine particles (µg/m³)
- 18.6
- tree cover
- 21.7%
- trees in this area
- 68.2K
- more trees needed
- 26.1K
Measured across a 2 km radius around Oviedo, Municipality of Oviedo, Asturias, Spain (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Oviedo · AQI 69 (Moderate)
Oviedo's tree count comes to 68,173 trees across 12.57 km², 8 points below the 30% tree-cover level considered healthy for this area, so roughly 26,075 more trees would close the gap.
Air quality detail
Air quality in Oviedo today: AQI 69, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Oviedo, 700 m away · median of 5 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
18.6
PM10
—
NO₂
19.0
O₃
15.0
SO₂
6.0
CO
500.0
Data: OpenAQ · AirGradient, EEA, Jojonintendo, EugeneK
- 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 Oviedo's daily AQI at 35 on average, from 19 on Nov 9 to an hourly peak of 75 on Nov 5.
Where Oviedo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Oviedo: Below target
21.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
68,173
Target trees
94,248
More trees needed
26,075
CO₂ if planted / yr
573.6 t
Deforestation · 2001–2025
How much forest has Oviedo lost?
Since 2001, the area within 10 km of Oviedo has lost about 1,090 hectares of forest (about 1,500 football pitches): 8.8% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 173 hectares (16%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 1,090 haabout 1,500 football pitches
- Share of its forest
- 8.8%of what there was in 2000
- Cleared for good
- 173 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 91 hectares a year in 2021–2025, up from 50 hectares a year in 2016–2020. The worst year was 2023, when about 129 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 | 4 ha | 6 ha | 11 ha |
| 2002 | 1 ha | 5 ha | 6 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 14 ha | 14 ha | 29 ha |
| 2005 | 7 ha | 21 ha | 28 ha |
| 2006 | 16 ha | 51 ha | 67 ha |
| 2007 | 15 ha | 26 ha | 42 ha |
| 2008 | 8 ha | 14 ha | 22 ha |
| 2009 | 15 ha | 10 ha | 25 ha |
| 2010 | 17 ha | 21 ha | 38 ha |
| 2011 | 3 ha | 6 ha | 9 ha |
| 2012 | 5 ha | 26 ha | 31 ha |
| 2013 | 12 ha | 26 ha | 39 ha |
| 2014 | 5 ha | 14 ha | 18 ha |
| 2015 | 4 ha | 16 ha | 21 ha |
| 2016 | 9 ha | 82 ha | 91 ha |
| 2017 | 4 ha | 31 ha | 35 ha |
| 2018 | 4 ha | 24 ha | 27 ha |
| 2019 | 4 ha | 40 ha | 44 ha |
| 2020 | 3 ha | 48 ha | 51 ha |
| 2021 | 4 ha | 45 ha | 49 ha |
| 2022 | 5 ha | 91 ha | 96 ha |
| 2023 | 4 ha | 125 ha | 129 ha |
| 2024 | 2 ha | 114 ha | 116 ha |
| 2025 | 8 ha | 57 ha | 65 ha |
What is causing deforestation around Oviedo?
- Loggingcan grow back74% · 808 ha
- Wildfirescan grow back8.5% · 92 ha
- Towns and roadscleared for good8.1% · 88 ha
Also: mining and energy, farms, pasture and plantations, 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
- 15,200 ha
- Forest in 2020
- 15,400 ha
- Overall change
- +286 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Oviedo stayed about the same size, at about 15,400 hectares: new forest grew on about 531 hectares, and about 244 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
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Frequently asked
Questions about Oviedo
What is the air quality (AQI) in Oviedo right now?
The latest reading for Oviedo shows an AQI of 69 (Moderate), measured Nov 11, 17:00 local time by 5 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Oviedo, 700 m away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Oviedo today?
At AQI 69 (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 Oviedo been like this week?
Over the last 7 days, the CAMS air-quality model put Oviedo's daily AQI at 35 on average, from 19 on Nov 9 to an hourly peak of 75 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 Oviedo lost since 2001?
Since 2001, the area within 10 km of Oviedo has lost about 1,090 hectares of forest (about 1,500 football pitches): 8.8% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 173 hectares (16%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is speeding up: about 91 hectares a year in 2021–2025, up from 50 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Oviedo stayed about the same size, at about 15,400 hectares: new forest grew on about 531 hectares, and about 244 hectares were lost.
What is the tree count in Oviedo?
Oviedo has an estimated 68,173 trees across the 12.57 km² measured — 21.7% tree cover, 8 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Oviedo need?
Oviedo needs roughly 26,075 more trees to close a 8-point shortfall against its 30% tree-cover target — about 573.6 t of extra CO₂ absorbed per year once grown.
How are Oviedo's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Oviedo, 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 Oviedo; the tree count is an estimate derived from that cover.
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