Bulawayo vs Chitungwiza
Tree cover and air quality for both, measured the same way: Sentinel-2 imagery at 10 m detail over a 2 km radius from each city centre, and the live US EPA air quality index. Same radius and same index, so the two numbers compare directly.
Bulawayo has more tree cover — 6.0% against 1.4%.
Bulawayo has cleaner air right now — AQI 60 against 119.
- Tree cover gap
- 4.6 points
- Bulawayo is ahead.
- Air quality gap
- 59 AQI
- Bulawayo is cleaner.
- Trees between them
- 14.5K
- Bulawayo has more standing.
Zimbabwe
Zimbabwe
Tree cover
Share of the 2 km radius under canopy.
6.0%
1.4%
Air quality index
US EPA index, live, with its band. Lower is better.
60 · Moderate
119 · Unhealthy for sensitive groups
Trees standing
Estimated from the measured canopy area.
18.9K
4.4K
Trees still needed
To reach the same canopy target. Fewer is better.
75.4K
106K
CO₂ absorbed each year
By the trees already standing.
415K kg
96.8K kg
Air quality in detail
What each city is breathing
Concentrations in µg/m³, measured at the same moment as the index above. Lower is better in every row. Chitungwiza is read from nearby ground stations and Bulawayo is modelled — worth knowing, since the two are not quite like for like.
PM2.5
Fine particles, the pollutant that usually sets the index.
16.6 µg/m³
43 µg/m³
The last week, day by day
A single reading can catch a city on a bad afternoon. The week says whether it was the weather or the place.
| Day | Bulawayo | Chitungwiza |
|---|---|---|
| 22 Sept | 42 | 83 |
| 23 Sept | 42 | 62 |
| 24 Sept | 51 | 76 |
| 25 Sept | 44 | 56 |
| 26 Sept | 46 | 63 |
| 27 Sept | 51 | 79 |
| 28 Sept | 59 | 84 |
Reading these numbers
What is actually being measured
Tree cover
The share of ground under canopy inside a 2 km radius of each city centre, read from Sentinel-2 satellite imagery at 10 m detail. It is a measurement of that circle, not of the whole municipality — which is exactly what makes the two comparable, since city boundaries are drawn to wildly different rules around the world. Bulawayo leads here at 6.0%.
Air quality index
The live US EPA index, computed from current pollutant concentrations — ground stations where a city has them nearby, and a model everywhere else. It moves hour to hour, so this is a snapshot rather than a verdict on either place: Bulawayo reads 60 (moderate) and Chitungwiza reads 119 (unhealthy for sensitive groups) right now.
Frequently asked
Bulawayo and Chitungwiza, answered
Which has more trees, Bulawayo or Chitungwiza?
Bulawayo, with roughly 18,850 trees inside its 2 km radius against 4,398. Tree cover tells a slightly different story from raw count: Bulawayo has the denser canopy at 6.0%.
Which has better air quality, Bulawayo or Chitungwiza?
Bulawayo right now, at AQI 60 against 119 — a gap of 59 points. This is a live reading rather than an annual average, so it can reverse within a day.
How many more trees does each city need?
Bulawayo needs about 75,398 more to reach its canopy target, and Chitungwiza about 105,558. The target is the same share of ground for both, so the figures are directly comparable.
Are these two measured the same way?
Yes — that is the point of the page. Identical radius, identical satellite source at 10 m detail, and the same US EPA index for air. Nothing here is adjusted for population, city limits or climate, so the numbers describe the same-sized circle of ground in each place.
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