City report · Benguela, Angola
Bocoio Air quality today
Air quality in Bocoio currently reads AQI 49 (Good): Air quality is satisfactory for everyone.
AQI 49
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 8.5
- tree cover
- 7.1%
- trees in this area
- 22.3K
- more trees needed
- 71.9K
Measured across a 2 km radius around Chila, Benguela, Angola (12.57 km²), from a satellite image of Nov 2, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bocoio · AQI 49 (Good)
Bocoio's tree count comes to 22,305 trees across 12.57 km², 23 points below the 30% tree-cover level considered healthy for this area, so roughly 71,942 more trees would close the gap.
Air quality detail
Air quality in Bocoio today: AQI 49, Good
Main pollutant: PM2.5 · Observed Nov 10, 19:00 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
8.5
PM10
10.4
NO₂
4.6
O₃
84.0
SO₂
7.7
CO
132.0
- 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 Bocoio's daily AQI at 44 on average, from 30 on Nov 7 to an hourly peak of 67 on Nov 6.
Where Bocoio stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bocoio: Critically low
7.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
22,305
Target trees
94,247
More trees needed
71,942
CO₂ if planted / yr
1,583 t
Deforestation · 2001–2025
How much forest has Bocoio lost?
Since 2001, the area within 10 km of Bocoio has lost about 804 hectares of forest (about 1,100 football pitches): 11% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km southwest of the city center.
- Forest lost since 2001
- 804 haabout 1,100 football pitches
- Share of its forest
- 11%of what there was in 2000
- Cleared for good
- 800 hadeforestation: turned into farms, mines or towns
The worst year was 2011, when about 114 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 | 43 ha | under 1 ha | 43 ha |
| 2002 | 8 ha | under 1 ha | 8 ha |
| 2003 | 42 ha | under 1 ha | 42 ha |
| 2004 | 10 ha | under 1 ha | 10 ha |
| 2005 | 9 ha | under 1 ha | 10 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | 46 ha | under 1 ha | 46 ha |
| 2008 | 11 ha | under 1 ha | 11 ha |
| 2009 | 21 ha | under 1 ha | 21 ha |
| 2010 | 9 ha | under 1 ha | 9 ha |
| 2011 | 114 ha | under 1 ha | 114 ha |
| 2012 | 71 ha | under 1 ha | 71 ha |
| 2013 | 17 ha | under 1 ha | 17 ha |
| 2014 | 34 ha | under 1 ha | 34 ha |
| 2015 | 18 ha | under 1 ha | 18 ha |
| 2016 | 14 ha | under 1 ha | 14 ha |
| 2017 | 50 ha | under 1 ha | 50 ha |
| 2018 | 26 ha | under 1 ha | 26 ha |
| 2019 | 16 ha | under 1 ha | 16 ha |
| 2020 | 42 ha | under 1 ha | 42 ha |
| 2021 | 25 ha | under 1 ha | 25 ha |
| 2022 | 17 ha | under 1 ha | 17 ha |
| 2023 | 57 ha | under 1 ha | 57 ha |
| 2024 | 66 ha | under 1 ha | 66 ha |
| 2025 | 36 ha | under 1 ha | 36 ha |
What is causing deforestation around Bocoio?
- Farms, pasture and plantationscleared for goodover 99% · 800 ha
Also: towns and roads, 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
- 3,570 ha
- Forest in 2020
- 3,190 ha
- Overall change
- −381 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bocoio shrank from about 3,570 hectares to 3,190 hectares, a net loss of about 381 hectares (−11%). New forest grew on about 348 hectares, but 730 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 Bocoio
What is the air quality (AQI) in Bocoio right now?
The latest reading for Bocoio shows an AQI of 49 (Good), observed Nov 10, 19:00 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 Bocoio today?
At AQI 49 (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 Bocoio been like this week?
Over the last 7 days, the CAMS air-quality model put Bocoio's daily AQI at 44 on average, from 30 on Nov 7 to an hourly peak of 67 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 Bocoio lost since 2001?
Since 2001, the area within 10 km of Bocoio has lost about 804 hectares of forest (about 1,100 football pitches): 11% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Bocoio shrank from about 3,570 hectares to 3,190 hectares, a net loss of about 381 hectares (−11%). New forest grew on about 348 hectares, but 730 hectares were lost.
What is the tree count in Bocoio?
Bocoio has an estimated 22,305 trees across the 12.57 km² measured — 7.1% tree cover, 23 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Bocoio need?
Bocoio needs roughly 71,942 more trees to close a 23-point shortfall against its 30% tree-cover target — about 1,583 t of extra CO₂ absorbed per year once grown.
How are Bocoio'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 Chila; the tree count is an estimate derived from that cover.
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