Khobar vs Madīnat Ḩamad
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.
Madīnat Ḩamad has more tree cover — 2.9% against 2.1%.
Madīnat Ḩamad has cleaner air right now — AQI 139 against 154.
- Tree cover gap
- 0.8 points
- Madīnat Ḩamad is ahead.
- Air quality gap
- 15 AQI
- Madīnat Ḩamad is cleaner.
- Trees between them
- 3.2K
- Madīnat Ḩamad has more standing.
Saudi Arabia
Bahrain
Tree cover
Share of the 2 km radius under canopy.
2.1%
2.9%
Air quality index
US EPA index, live, with its band. Lower is better.
154 · Unhealthy
139 · Unhealthy for sensitive groups
Trees standing
Estimated from the measured canopy area.
5.9K
9.1K
Trees still needed
To reach the same canopy target. Fewer is better.
107K
101K
CO₂ absorbed each year
By the trees already standing.
130K kg
200K 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. Both are read from nearby ground stations.
PM2.5
Fine particles, the pollutant that usually sets the index.
61.5 µg/m³
50.9 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 | Khobar | Madīnat Ḩamad |
|---|---|---|
| 22 Sept | 125 | 141 |
| 23 Sept | 157 | 147 |
| 24 Sept | 155 | 157 |
| 25 Sept | 166 | 167 |
| 26 Sept | 134 | 112 |
| 27 Sept | 143 | 140 |
| 28 Sept | 131 | 111 |
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. Madīnat Ḩamad leads here at 2.9%.
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: Khobar reads 154 (unhealthy) and Madīnat Ḩamad reads 139 (unhealthy for sensitive groups) right now.
Frequently asked
Khobar and Madīnat Ḩamad, answered
Which has more trees, Khobar or Madīnat Ḩamad?
Madīnat Ḩamad, with roughly 9,111 trees inside its 2 km radius against 5,924. Tree cover tells a slightly different story from raw count: Madīnat Ḩamad has the denser canopy at 2.9%.
Which has better air quality, Khobar or Madīnat Ḩamad?
Madīnat Ḩamad right now, at AQI 139 against 154 — a gap of 15 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?
Khobar needs about 106,922 more to reach its canopy target, and Madīnat Ḩamad about 100,845. 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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