Live wildfire smoke over Ontario, and what breathing it
costs you in cigarettes.
Berkeley Earth: Breathing
22 µg/m³ of PM2.5 for 24 hours carries roughly the same mortality risk as
one cigarette. Summed hour by hour.
Wildfire smoke and tobacco
smoke are not the exact same thing. This data does not include acute effects.
Smoke & PM2.5:
ECCC GeoMet
(RDAQA analysis for past hours, RAQDPS forecast ahead, both 10 km) ·
Method: Berkeley Earth