Wildfire Smoke Now Travels Hundreds of Miles
Fine particulate from wildfires can be carried across entire regions, so people far from any fire can experience meaningfully worse air
2 September 2026Read →
Indoor air, the air quality index, wildfire smoke, cooking fumes, humidity and exercising on poor air days.
Fine particulate from wildfires can be carried across entire regions, so people far from any fire can experience meaningfully worse air
The Air Quality Index converts pollutant measurements into a single colour-coded number, with higher values indicating greater risk, pa
Most people spend the large majority of their time indoors, which makes indoor air quality a bigger contributor to daily exposure than
Exercise increases the volume of air you move and shifts breathing toward the mouth, which raises exposure to whatever is in the air on
Certain occupations involve regular exposure to dust, fumes or vapours, and workplace respiratory protection exists precisely because t
Second-hand smoke is inhaled directly from someone else's smoking, while third-hand smoke is the residue that settles on surfaces, fabr
A HEPA air purifier removes fine airborne particulate from the air passing through it, but it does not remove gases and cannot compensa
House dust contains a mix of fibres, skin cells, dust mite material and pet dander, and it is a common trigger for allergic respiratory
Heating and air conditioning both strip moisture from indoor air, and dry air thickens the airway mucus layer, which is why winter morn
Cooking generates particulate and gases indoors, and using an extractor fan that vents outside is one of the most effective and least-u