Bacău vs Ivano-Frankivsk
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.
Ivano-Frankivsk has more tree cover — 43.3% against 36.6%.
Bacău has cleaner air right now — AQI 26 against 79.
- Tree cover gap
- 6.7 points
- Ivano-Frankivsk is ahead.
- Air quality gap
- 53 AQI
- Bacău is cleaner.
- Trees between them
- 27.7K
- Ivano-Frankivsk has more standing.
Romania
Ukraine
Tree cover
Share of the 2 km radius under canopy.
36.6%
43.3%
Air quality index
US EPA index, live, with its band. Lower is better.
26 · Good
79 · Moderate
Trees standing
Estimated from the measured canopy area.
105K
133K
Trees still needed
To reach the same canopy target. Fewer is better.
0
0
CO₂ absorbed each year
By the trees already standing.
2.3M kg
2.9M 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. Ivano-Frankivsk is read from nearby ground stations and Bacău is modelled — worth knowing, since the two are not quite like for like.
PM2.5
Fine particles, the pollutant that usually sets the index.
6.2 µg/m³
25.5 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 | Bacău | Ivano-Frankivsk |
|---|---|---|
| 22 Sept | 24 | 23 |
| 23 Sept | 22 | 23 |
| 24 Sept | 27 | 28 |
| 25 Sept | 38 | 34 |
| 26 Sept | 48 | 47 |
| 27 Sept | 44 | 45 |
| 28 Sept | 35 | 62 |
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. Ivano-Frankivsk leads here at 43.3%.
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: Bacău reads 26 (good) and Ivano-Frankivsk reads 79 (moderate) right now.
Frequently asked
Bacău and Ivano-Frankivsk, answered
Which has more trees, Bacău or Ivano-Frankivsk?
Ivano-Frankivsk, with roughly 133,174 trees inside its 2 km radius against 105,439. Tree cover tells a slightly different story from raw count: Ivano-Frankivsk has the denser canopy at 43.3%.
Which has better air quality, Bacău or Ivano-Frankivsk?
Bacău right now, at AQI 26 against 79 — a gap of 53 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?
Bacău needs about 0 more to reach its canopy target, and Ivano-Frankivsk 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.
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