Angeles City vs Calumpit
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.
Calumpit has more tree cover — 41.0% against 22.9%.
Calumpit has cleaner air right now — AQI 70 against 78.
- Tree cover gap
- 18.1 points
- Calumpit is ahead.
- Air quality gap
- 8 AQI
- Calumpit is cleaner.
- Trees between them
- 26.5K
- Calumpit has more standing.
Philippines
Philippines
Tree cover
Share of the 2 km radius under canopy.
22.9%
41.0%
Air quality index
US EPA index, live, with its band. Lower is better.
78 · Moderate
70 · Moderate
Trees standing
Estimated from the measured canopy area.
71.9K
98.4K
Trees still needed
To reach the same canopy target. Fewer is better.
22.3K
0
CO₂ absorbed each year
By the trees already standing.
1.6M kg
2.2M 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. Angeles City is read from nearby ground stations and Calumpit is modelled — worth knowing, since the two are not quite like for like.
PM2.5
Fine particles, the pollutant that usually sets the index.
24.8 µg/m³
21.1 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 | Angeles City | Calumpit |
|---|---|---|
| 22 Sept | 46 | 64 |
| 23 Sept | 49 | 73 |
| 24 Sept | 66 | 111 |
| 25 Sept | 58 | 111 |
| 26 Sept | 68 | 98 |
| 27 Sept | 70 | 97 |
| 28 Sept | 76 | 77 |
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. Calumpit leads here at 41.0%.
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: Angeles City reads 78 (moderate) and Calumpit reads 70 (moderate) right now.
Frequently asked
Angeles City and Calumpit, answered
Which has more trees, Angeles City or Calumpit?
Calumpit, with roughly 98,407 trees inside its 2 km radius against 71,942. Tree cover tells a slightly different story from raw count: Calumpit has the denser canopy at 41.0%.
Which has better air quality, Angeles City or Calumpit?
Calumpit right now, at AQI 70 against 78 — a gap of 8 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?
Angeles City needs about 22,305 more to reach its canopy target, and Calumpit about 0. 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.
Keep going
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