City report · Burundi
Ngozi Air quality today
Air quality in Ngozi currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 56
Moderate
- PM2.5, fine particles (µg/m³)
- 8.9
- tree cover
- 15.5%
- trees in this area
- 48.7K
- more trees needed
- 45.6K
Measured across a 2 km radius around Ngozi, Burundi (12.57 km²), from a satellite image of Sep 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Ngozi · AQI 56 (Moderate)
Ngozi's tree count comes to 48,695 trees across 12.57 km², 14 points below the 30% tree-cover level considered healthy for this area, so roughly 45,553 more trees would close the gap.
Air quality detail
Air quality in Ngozi today: AQI 56, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 09:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
8.9
PM10
10.1
NO₂
0.5
O₃
78.0
SO₂
0.8
CO
288.0
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Ngozi's daily AQI at 57 on average, from 40 on Nov 6 to an hourly peak of 93 on Nov 8.
Where Ngozi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Ngozi: Critically low
15.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
48,695
Target trees
94,248
More trees needed
45,553
CO₂ if planted / yr
1,002 t
Deforestation · 2001–2025
How much forest has Ngozi lost?
Since 2001, the area within 10 km of Ngozi has lost about 232 hectares of forest (about 330 football pitches): 6.4% 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 July 2017 of a 5 × 5 km area about 4 km east of the city center.
- Forest lost since 2001
- 232 haabout 330 football pitches
- Share of its forest
- 6.4%of what there was in 2000
- Cleared for good
- 168 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 30 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 | 28 ha | 2 ha | 30 ha |
| 2002 | 4 ha | under 1 ha | 4 ha |
| 2003 | 2 ha | under 1 ha | 3 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 1 ha | 1 ha | 3 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | 4 ha | under 1 ha | 4 ha |
| 2008 | 9 ha | under 1 ha | 9 ha |
| 2009 | 4 ha | under 1 ha | 4 ha |
| 2010 | 10 ha | under 1 ha | 10 ha |
| 2011 | 9 ha | under 1 ha | 9 ha |
| 2012 | 10 ha | 4 ha | 14 ha |
| 2013 | 4 ha | 3 ha | 7 ha |
| 2014 | 4 ha | 3 ha | 6 ha |
| 2015 | 3 ha | 4 ha | 7 ha |
| 2016 | 2 ha | 1 ha | 3 ha |
| 2017 | 5 ha | under 1 ha | 5 ha |
| 2018 | 4 ha | under 1 ha | 4 ha |
| 2019 | 12 ha | 4 ha | 16 ha |
| 2020 | 8 ha | 10 ha | 18 ha |
| 2021 | 18 ha | 4 ha | 22 ha |
| 2022 | 10 ha | 4 ha | 14 ha |
| 2023 | 7 ha | 6 ha | 13 ha |
| 2024 | 5 ha | 2 ha | 6 ha |
| 2025 | 7 ha | 14 ha | 21 ha |
What is causing deforestation around Ngozi?
- Farms, pasture and plantationscleared for good69% · 161 ha
- Loggingcan grow back26% · 59 ha
- Towns and roadscleared for good2.8% · 7 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
- 13,200 ha
- Forest in 2020
- 13,500 ha
- Overall change
- +286 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ngozi grew from about 13,200 hectares to 13,500 hectares, a net gain of about 286 hectares (+2.2%). New forest grew on about 525 hectares, while 240 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 Ngozi
What is the air quality (AQI) in Ngozi right now?
The latest reading for Ngozi shows an AQI of 56 (Moderate), observed Nov 11, 09:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Ngozi today?
At AQI 56 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Ngozi been like this week?
Over the last 7 days, the CAMS air-quality model put Ngozi's daily AQI at 57 on average, from 40 on Nov 6 to an hourly peak of 93 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 Ngozi lost since 2001?
Since 2001, the area within 10 km of Ngozi has lost about 232 hectares of forest (about 330 football pitches): 6.4% 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 Ngozi grew from about 13,200 hectares to 13,500 hectares, a net gain of about 286 hectares (+2.2%). New forest grew on about 525 hectares, while 240 hectares were lost.
What is the tree count in Ngozi?
Ngozi has an estimated 48,695 trees across the 12.57 km² measured — 15.5% tree cover, 14 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Ngozi need?
Ngozi needs roughly 45,553 more trees to close a 14-point shortfall against its 30% tree-cover target — about 1,002 t of extra CO₂ absorbed per year once grown.
How are Ngozi'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 Ngozi; the tree count is an estimate derived from that cover.
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