Can You Convert Any AQI to Cigarettes? Check These Inputs First
Only a confirmed U.S. PM2.5 AQI belongs in an AQI-to-cigarettes conversion. Use this checklist for dominant pollutants, international indexes, sensors, and forecasts.
7 min read
Science & Research
Science & Research Articles
6 articles in this category
Indoor vs Outdoor Air Quality: A Practical Decision Guide
Learn when outdoor air enters a home, when to ventilate, when to filter, and how source control, smoke, heat, and combustion change the right decision.
7 min read
Long-Term Air Pollution Effects: What the Evidence Actually Shows
A careful review of long-term PM2.5 health evidence, certainty levels, relative risk, exposure limits, and claims the research cannot make about an individual.
8 min read
PM2.5 vs PM10 vs Ozone: Why the Pollutant Changes the Advice
Compare PM2.5, PM10, ozone, and the other U.S. AQI pollutants, then choose guidance and tools that match the pollutant actually being reported.
8 min read
How PM2.5 Affects Health: What the Evidence Shows
Learn what PM2.5 is, which short- and long-term health effects are well established, who is more vulnerable, and how to reduce exposure.
7 min read
The Science Behind AQI to Cigarettes Conversion
See how a U.S. PM2.5 AQI becomes a cigarette-equivalent estimate, where the 22 µg/m³ benchmark comes from, and what the result cannot tell you.
6 min read
Check Your Air Quality Exposure
Use a confirmed U.S. PM2.5 AQI to create a rough population-level health-impact comparison, or open a scenario guide for a practical decision.