City report · Tanzania
Geita Air quality today
Air quality in Geita currently reads AQI 15 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 15
Good
- PM2.5, fine particles (µg/m³)
- 2.7
- tree cover
- 11.1%
- trees in this area
- 34.9K
- more trees needed
- 59.4K
Measured across a 2 km radius around Geita, Tanzania (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Geita · AQI 15 (Good)
Geita's tree count comes to 34,872 trees across 12.57 km², 19 points below the 30% tree-cover level considered healthy for this area, so roughly 59,376 more trees would close the gap.
Air quality detail
Air quality in Geita today: AQI 15, Good
Main pollutant: PM2.5 · Observed Nov 11, 12:00 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
2.7
PM10
3.3
NO₂
0.5
O₃
70.0
SO₂
0.2
CO
185.0
- 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 Geita's daily AQI at 35 on average, from 23 on Nov 11 to an hourly peak of 61 on Nov 5.
Where Geita stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Geita: Critically low
11.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
34,872
Target trees
94,248
More trees needed
59,376
CO₂ if planted / yr
1,306 t
Deforestation · 2001–2025
How much forest has Geita lost?
Since 2001, the area within 10 km of Geita has lost about 1,450 hectares of forest (about 2,000 football pitches): 15% of the forest it had in 2000. Most of it (99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 1,450 haabout 2,000 football pitches
- Share of its forest
- 15%of what there was in 2000
- Cleared for good
- 1,430 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 37 hectares a year in 2021–2025, down from 62 hectares a year in 2016–2020. The worst year was 2007, when about 301 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 | 115 ha | 1 ha | 116 ha |
| 2002 | 30 ha | under 1 ha | 30 ha |
| 2003 | 13 ha | under 1 ha | 13 ha |
| 2004 | 44 ha | under 1 ha | 44 ha |
| 2005 | 104 ha | 1 ha | 105 ha |
| 2006 | 10 ha | under 1 ha | 10 ha |
| 2007 | 295 ha | 6 ha | 301 ha |
| 2008 | 17 ha | under 1 ha | 17 ha |
| 2009 | 18 ha | under 1 ha | 18 ha |
| 2010 | 17 ha | under 1 ha | 17 ha |
| 2011 | 13 ha | under 1 ha | 13 ha |
| 2012 | 66 ha | under 1 ha | 67 ha |
| 2013 | 64 ha | under 1 ha | 65 ha |
| 2014 | 77 ha | under 1 ha | 77 ha |
| 2015 | 56 ha | 1 ha | 57 ha |
| 2016 | 125 ha | 3 ha | 128 ha |
| 2017 | 22 ha | under 1 ha | 23 ha |
| 2018 | 102 ha | 2 ha | 104 ha |
| 2019 | 10 ha | under 1 ha | 10 ha |
| 2020 | 46 ha | under 1 ha | 46 ha |
| 2021 | 13 ha | under 1 ha | 13 ha |
| 2022 | 3 ha | under 1 ha | 3 ha |
| 2023 | 24 ha | under 1 ha | 24 ha |
| 2024 | 124 ha | under 1 ha | 124 ha |
| 2025 | 21 ha | under 1 ha | 22 ha |
What is causing deforestation around Geita?
- Farms, pasture and plantationscleared for good66% · 954 ha
- Mining and energycleared for good31% · 443 ha
- Towns and roadscleared for good2% · 29 ha
Also: shifting farming, 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
- 11,000 ha
- Forest in 2020
- 10,800 ha
- Overall change
- −111 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Geita stayed about the same size, at about 10,800 hectares: new forest grew on about 915 hectares, and about 1,030 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 Geita
What is the air quality (AQI) in Geita right now?
The latest reading for Geita shows an AQI of 15 (Good), observed Nov 11, 12:00 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 Geita today?
At AQI 15 (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 Geita been like this week?
Over the last 7 days, the CAMS air-quality model put Geita's daily AQI at 35 on average, from 23 on Nov 11 to an hourly peak of 61 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 Geita lost since 2001?
Since 2001, the area within 10 km of Geita has lost about 1,450 hectares of forest (about 2,000 football pitches): 15% of the forest it had in 2000. Most of it (99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 37 hectares a year in 2021–2025, down from 62 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Geita stayed about the same size, at about 10,800 hectares: new forest grew on about 915 hectares, and about 1,030 hectares were lost.
What is the tree count in Geita?
Geita has an estimated 34,872 trees across the 12.57 km² measured — 11.1% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Geita need?
Geita needs roughly 59,376 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,306 t of extra CO₂ absorbed per year once grown.
How are Geita'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 Geita; the tree count is an estimate derived from that cover.
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