City report · Ethiopia
Hosa’ina Air quality today
Air quality in Hosa’ina currently reads AQI 142 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 142
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 46.2
- tree cover
- 17.5%
- trees in this area
- 55.0K
- more trees needed
- 55.0K
Measured across a 2 km radius around Hosaina, Ethiopia (12.57 km²), from a satellite image of Sep 14, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hosa’ina · AQI 142 (Unhealthy for sensitive groups)
Hosa’ina's tree count comes to 54,978 trees across 12.57 km², 18 points below the 35% tree-cover level considered healthy for this area, so roughly 54,978 more trees would close the gap.
Air quality detail
Air quality in Hosa’ina today: AQI 142, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 02:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
46.2
PM10
47.7
NO₂
16.7
O₃
18.0
SO₂
3.8
CO
297.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Hosa’ina's daily AQI at 93 on average, from 78 on Nov 7 to an hourly peak of 156 on Nov 11.
Where Hosa’ina stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hosa’ina: Critically low
17.5% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
54,978
Target trees
109,956
More trees needed
54,978
CO₂ if planted / yr
1,210 t
Deforestation · 2001–2025
How much forest has Hosa’ina lost?
Since 2001, the area within 10 km of Hosa’ina has lost about 12 hectares of forest (about 16 football pitches): 8% of the forest it had in 2000. Most of it (72%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 12 haabout 16 football pitches
- Share of its forest
- 8%of what there was in 2000
- Cleared for good
- 8 hadeforestation: turned into farms, mines or towns
The worst year was 2006, when about 3 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 | 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 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | 3 ha | under 1 ha | 3 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 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 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Hosa’ina?
- Farms, pasture and plantationscleared for good39% · 5 ha
- Towns and roadscleared for good30% · 4 ha
- Loggingcan grow back14% · 2 ha
Also: 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
- 3,760 ha
- Forest in 2020
- 3,870 ha
- Overall change
- +113 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hosa’ina grew from about 3,760 hectares to 3,870 hectares, a net gain of about 113 hectares (+3%). New forest grew on about 201 hectares, while 89 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 Hosa’ina
What is the air quality (AQI) in Hosa’ina right now?
The latest reading for Hosa’ina shows an AQI of 142 (Unhealthy for sensitive groups), observed Nov 11, 02:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Hosa’ina today?
At AQI 142 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Hosa’ina been like this week?
Over the last 7 days, the CAMS air-quality model put Hosa’ina's daily AQI at 93 on average, from 78 on Nov 7 to an hourly peak of 156 on Nov 11. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Hosa’ina lost since 2001?
Since 2001, the area within 10 km of Hosa’ina has lost about 12 hectares of forest (about 16 football pitches): 8% of the forest it had in 2000. Most of it (72%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Hosa’ina grew from about 3,760 hectares to 3,870 hectares, a net gain of about 113 hectares (+3%). New forest grew on about 201 hectares, while 89 hectares were lost.
What is the tree count in Hosa’ina?
Hosa’ina has an estimated 54,978 trees across the 12.57 km² measured — 17.5% tree cover, 18 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Hosa’ina need?
Hosa’ina needs roughly 54,978 more trees to close a 18-point shortfall against its 35% tree-cover target — about 1,210 t of extra CO₂ absorbed per year once grown.
How are Hosa’ina'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 Hosaina; the tree count is an estimate derived from that cover.
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