City report · Valencia, Spain
Castelló de la Plana Air quality today
Air quality in Castelló de la Plana currently reads AQI 39 (Good): Air quality is satisfactory for everyone.
AQI 39
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 7.0
- tree cover
- 7.6%
- trees in this area
- 23.9K
- more trees needed
- 70.4K
Measured across a 2 km radius around Castelló de la Plana, Province of Castellón, Spain (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Castelló de la Plana · AQI 39 (Good)
Castelló de la Plana's tree count comes to 23,876 trees across 12.57 km², 22 points below the 30% tree-cover level considered healthy for this area, so roughly 70,372 more trees would close the gap.
Air quality detail
Air quality in Castelló de la Plana today: AQI 39, Good
Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · CASTELLO CEIP LA MARINA, 5.3 km away · median of 6 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.0
PM10
12.5
NO₂
14.0
O₃
40.0
SO₂
6.0
CO
100.0
Data: OpenAQ · EEA
- 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 Castelló de la Plana's daily AQI at 44 on average, from 28 on Nov 11 to an hourly peak of 69 on Nov 8.
Where Castelló de la Plana stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Castelló de la Plana: Critically low
7.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
23,876
Target trees
94,248
More trees needed
70,372
CO₂ if planted / yr
1,548 t
Deforestation · 2001–2025
How much forest has Castelló de la Plana lost?
Since 2001, the area within 10 km of Castelló de la Plana has lost about 73 hectares of forest (about 100 football pitches): 7.5% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 26 hectares (36%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 73 haabout 100 football pitches
- Share of its forest
- 7.5%of what there was in 2000
- Cleared for good
- 26 hadeforestation: turned into farms, mines or towns
The worst year was 2009, when about 32 hectares of forest were lost, mostly to wildfires.
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 | 1 ha | under 1 ha | 1 ha |
| 2005 | 2 ha | 3 ha | 4 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | 2 ha | 5 ha | 7 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | 3 ha | 30 ha | 32 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | 2 ha | under 1 ha | 2 ha |
| 2012 | under 1 ha | 1 ha | 2 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | 2 ha | under 1 ha | 2 ha |
| 2015 | 2 ha | under 1 ha | 2 ha |
| 2016 | 4 ha | under 1 ha | 4 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 | 1 ha | under 1 ha | 2 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | 1 ha | under 1 ha | 1 ha |
| 2024 | 2 ha | 5 ha | 6 ha |
| 2025 | under 1 ha | 2 ha | 2 ha |
What is causing deforestation around Castelló de la Plana?
- Wildfirescan grow back61% · 45 ha
- Farms, pasture and plantationscleared for good28% · 21 ha
- Mining and energycleared for good4% · 3 ha
Also: towns and roads, logging, 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
- 3,080 ha
- Forest in 2020
- 3,210 ha
- Overall change
- +127 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Castelló de la Plana grew from about 3,080 hectares to 3,210 hectares, a net gain of about 127 hectares (+4.1%). New forest grew on about 185 hectares, while 59 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 Castelló de la Plana
What is the air quality (AQI) in Castelló de la Plana right now?
The latest reading for Castelló de la Plana shows an AQI of 39 (Good), measured Nov 11, 17:00 local time by 6 ground monitoring stations via OpenAQ (the median of their readings; the nearest is CASTELLO CEIP LA MARINA, 5.3 km away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Castelló de la Plana today?
At AQI 39 (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 Castelló de la Plana been like this week?
Over the last 7 days, the CAMS air-quality model put Castelló de la Plana's daily AQI at 44 on average, from 28 on Nov 11 to an hourly peak of 69 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Castelló de la Plana lost since 2001?
Since 2001, the area within 10 km of Castelló de la Plana has lost about 73 hectares of forest (about 100 football pitches): 7.5% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 26 hectares (36%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Castelló de la Plana grew from about 3,080 hectares to 3,210 hectares, a net gain of about 127 hectares (+4.1%). New forest grew on about 185 hectares, while 59 hectares were lost.
What is the tree count in Castelló de la Plana?
Castelló de la Plana has an estimated 23,876 trees across the 12.57 km² measured — 7.6% tree cover, 22 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Castelló de la Plana need?
Castelló de la Plana needs roughly 70,372 more trees to close a 22-point shortfall against its 30% tree-cover target — about 1,548 t of extra CO₂ absorbed per year once grown.
How are Castelló de la Plana's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Castelló de la Plana, 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 Castelló de la Plana; the tree count is an estimate derived from that cover.
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