City report · Tanga, Tanzania
Handeni Air quality today
Air quality in Handeni currently reads AQI 43 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 43
Good
- PM2.5, fine particles (µg/m³)
- 8.0
- tree cover
- 26.0%
- trees in this area
- 81.7K
- more trees needed
- 12.6K
Measured across a 2 km radius around Handeni, Tanzania (12.57 km²), from a satellite image of Jul 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Handeni · AQI 43 (Good)
Handeni's tree count comes to 81,681 trees across 12.57 km², 4 points below the 30% tree-cover level considered healthy for this area, so roughly 12,566 more trees would close the gap.
Air quality detail
Air quality in Handeni today: AQI 43, Good
Main pollutant: PM2.5 · Observed Nov 11, 10:00 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
8.0
PM10
10.0
NO₂
0.0
O₃
60.0
SO₂
1.0
CO
127.0
- 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 Handeni's daily AQI at 29 on average, from 17 on Nov 5 to an hourly peak of 52 on Nov 8.
Where Handeni stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Handeni: Below target
26.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
81,681
Target trees
94,247
More trees needed
12,566
CO₂ if planted / yr
276.5 t
Deforestation · 2001–2025
How much forest has Handeni lost?
Since 2001, the area within 10 km of Handeni has lost about 446 hectares of forest (about 630 football pitches): 19% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km southeast of the city center.
- Forest lost since 2001
- 446 haabout 630 football pitches
- Share of its forest
- 19%of what there was in 2000
- Cleared for good
- 432 hadeforestation: turned into farms, mines or towns
The worst year was 2002, when about 51 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 | 51 ha | under 1 ha | 51 ha |
| 2003 | 1 ha | under 1 ha | 1 ha |
| 2004 | 8 ha | under 1 ha | 8 ha |
| 2005 | 14 ha | under 1 ha | 14 ha |
| 2006 | 10 ha | under 1 ha | 10 ha |
| 2007 | 15 ha | under 1 ha | 16 ha |
| 2008 | 33 ha | under 1 ha | 33 ha |
| 2009 | 3 ha | under 1 ha | 3 ha |
| 2010 | 41 ha | under 1 ha | 41 ha |
| 2011 | 12 ha | under 1 ha | 12 ha |
| 2012 | 3 ha | under 1 ha | 3 ha |
| 2013 | 3 ha | under 1 ha | 3 ha |
| 2014 | 17 ha | under 1 ha | 17 ha |
| 2015 | 6 ha | under 1 ha | 6 ha |
| 2016 | 38 ha | under 1 ha | 38 ha |
| 2017 | 21 ha | under 1 ha | 21 ha |
| 2018 | 39 ha | 3 ha | 42 ha |
| 2019 | 30 ha | 2 ha | 32 ha |
| 2020 | 36 ha | 8 ha | 44 ha |
| 2021 | 9 ha | under 1 ha | 9 ha |
| 2022 | 14 ha | under 1 ha | 14 ha |
| 2023 | 6 ha | under 1 ha | 6 ha |
| 2024 | 9 ha | under 1 ha | 9 ha |
| 2025 | 14 ha | under 1 ha | 14 ha |
What is causing deforestation around Handeni?
- Farms, pasture and plantationscleared for good97% · 432 ha
- Shifting farmingcan grow back3.1% · 14 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
- 5,900 ha
- Forest in 2020
- 4,830 ha
- Overall change
- −1,070 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Handeni shrank from about 5,900 hectares to 4,830 hectares, a net loss of about 1,070 hectares (−18%). New forest grew on about 407 hectares, but 1,480 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 Handeni
What is the air quality (AQI) in Handeni right now?
The latest reading for Handeni shows an AQI of 43 (Good), observed Nov 11, 10:00 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 Handeni today?
At AQI 43 (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 Handeni been like this week?
Over the last 7 days, the CAMS air-quality model put Handeni's daily AQI at 29 on average, from 17 on Nov 5 to an hourly peak of 52 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 Handeni lost since 2001?
Since 2001, the area within 10 km of Handeni has lost about 446 hectares of forest (about 630 football pitches): 19% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Handeni shrank from about 5,900 hectares to 4,830 hectares, a net loss of about 1,070 hectares (−18%). New forest grew on about 407 hectares, but 1,480 hectares were lost.
What is the tree count in Handeni?
Handeni has an estimated 81,681 trees across the 12.57 km² measured — 26.0% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Handeni need?
Handeni needs roughly 12,566 more trees to close a 4-point shortfall against its 30% tree-cover target — about 276.5 t of extra CO₂ absorbed per year once grown.
How are Handeni'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 Handeni; the tree count is an estimate derived from that cover.
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