Boston logs 12 hot days a year to Denver's 62 — Boston wins by 50. Boston also leads on frost days by 68.

Boston runs about $4,582/mo for a balanced lifestyle against Denver's $3,831/mo — Denver comes in $751 cheaper each month, roughly 20% less.

On mobility, Boston scores 3.8 vs Denver's 2.4 (0–5 scale), with the biggest gap on walkability. Denver still holds an edge on car efficiency.

Boston's culture score of 4.0 sits well above Denver's 3.7, with the biggest gap on arts & culture.

Denver's nature & outdoors score of 4.5 sits well above Boston's 4.0, with the biggest gap on mountain access. Boston still holds an edge on sea access.

Boston and Denver score neck-and-neck on safety (3.1 vs 2.9, 0–5 scale).

Boston's career score of 4.6 sits well above Denver's 3.9, with the biggest gap on startup ecosystem.

Denver's social & community score of 3.8 sits well above Boston's 3.4, with the biggest gap on local-first community. Boston still holds an edge on urban energy.

On food & dining, Boston scores 4.2 vs Denver's 4.0 (0–5 scale), with the biggest gap on restaurant variety.

Boston and Denver score neck-and-neck on family (3.9 vs 3.9, 0–5 scale).

On healthcare, Boston scores 3.5 vs Denver's 2.8 (0–5 scale), with the biggest gap on private healthcare quality.

Boston averages 6.7 µg/m³ (good) PM2.5 annually versus Denver's 6.8 µg/m³ (good) — Boston breathes ~1% cleaner air (0.1 µg/m³ lower).

Who Thrives Here