City report · Tanzania
Bariadi Air quality today
Air quality in Bariadi currently reads AQI 26 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 26
Good
- PM2.5, fine particles (µg/m³)
- 5.5
- tree cover
- 11.1%
- trees in this area
- 34.9K
- more trees needed
- 59.4K
Measured across a 2 km radius around Bariadi, Tanzania (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bariadi · AQI 26 (Good)
Bariadi'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 Bariadi today: AQI 26, Good
Main pollutant: PM2.5 · Observed Nov 11, 07:00 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
5.5
PM10
5.7
NO₂
4.6
O₃
47.0
SO₂
0.4
CO
220.0
- 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 Bariadi's daily AQI at 34 on average, from 25 on Nov 11 to an hourly peak of 64 on Nov 8.
Where Bariadi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bariadi: 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 Bariadi lost?
There was very little forest around Bariadi in 2000, about 27 hectares, and about 3 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
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 | under 1 ha | under 1 ha | under 1 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 | under 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 | under 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 Bariadi?
- Farms, pasture and plantationscleared for good50% · 2 ha
- Towns and roadscleared for good6.7% · under 1 ha
- Unknown causescause unknown40% · 1 ha
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
- 216 ha
- Forest in 2020
- 234 ha
- Overall change
- +18 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bariadi grew from about 216 hectares to 234 hectares, a net gain of about 18 hectares (+8.3%). New forest grew on about 28 hectares, while 10 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 Bariadi
What is the air quality (AQI) in Bariadi right now?
The latest reading for Bariadi shows an AQI of 26 (Good), observed Nov 11, 07:00 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 Bariadi today?
At AQI 26 (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 Bariadi been like this week?
Over the last 7 days, the CAMS air-quality model put Bariadi's daily AQI at 34 on average, from 25 on Nov 11 to an hourly peak of 64 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 Bariadi lost since 2001?
There was very little forest around Bariadi in 2000, about 27 hectares, and about 3 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here. Comparing satellite maps from 2000 and 2020, the forest around Bariadi grew from about 216 hectares to 234 hectares, a net gain of about 18 hectares (+8.3%). New forest grew on about 28 hectares, while 10 hectares were lost.
What is the tree count in Bariadi?
Bariadi 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 Bariadi need?
Bariadi 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 Bariadi'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 Bariadi; the tree count is an estimate derived from that cover.
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