Bhopal vs Gwalior
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.
Gwalior has more tree cover — 25.9% against 13.5%.
Gwalior has cleaner air right now — AQI 64 against 136.
- Tree cover gap
- 12.4 points
- Gwalior is ahead.
- Air quality gap
- 72 AQI
- Gwalior is cleaner.
- Trees between them
- 46.6K
- Gwalior has more standing.
Tree cover
Share of the 2 km radius under canopy.
13.5%
25.9%
Air quality index
US EPA index, live, with its band. Lower is better.
136 · Unhealthy for sensitive groups
64 · Moderate
Trees standing
Estimated from the measured canopy area.
34.7K
81.4K
Trees still needed
To reach the same canopy target. Fewer is better.
55.3K
12.9K
CO₂ absorbed each year
By the trees already standing.
764K kg
1.8M 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. Bhopal is read from nearby ground stations and Gwalior is modelled — worth knowing, since the two are not quite like for like.
PM2.5
Fine particles, the pollutant that usually sets the index.
49.6 µg/m³
18.3 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 | Bhopal | Gwalior |
|---|---|---|
| 23 Sept | 75 | 115 |
| 24 Sept | 47 | 52 |
| 25 Sept | 36 | 33 |
| 26 Sept | 51 | 47 |
| 27 Sept | 53 | 66 |
| 28 Sept | 82 | 83 |
| 29 Sept | 95 | 61 |
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. Gwalior leads here at 25.9%.
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: Bhopal reads 136 (unhealthy for sensitive groups) and Gwalior reads 64 (moderate) right now.
Frequently asked
Bhopal and Gwalior, answered
Which has more trees, Bhopal or Gwalior?
Gwalior, with roughly 81,367 trees inside its 2 km radius against 34,735. Tree cover tells a slightly different story from raw count: Gwalior has the denser canopy at 25.9%.
Which has better air quality, Bhopal or Gwalior?
Gwalior right now, at AQI 64 against 136 — a gap of 72 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?
Bhopal needs about 55,319 more to reach its canopy target, and Gwalior about 12,881. 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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