A good air purifier can substantially reduce airborne particles in a room—but only when the filtration technology, CADR, room size, placement and operating conditions are appropriate for the problem being addressed. This guide explains what air purifiers can and cannot remove, how HEPA filtration and CADR relate to real-world performance, why room volume and runtime … Read more
Wildfire smoke can travel hundreds or even thousands of kilometres, affecting air quality far beyond the fire itself. Much of the health concern comes from fine particulate matter (PM2.5), which can penetrate deep into the lungs and make outdoor—and sometimes indoor—air unhealthy. This guide explains how wildfire smoke affects AQI, who may be most vulnerable, … Read more
PM2.5 is one of the most important air pollutants for understanding both air quality and health. These microscopic particles are 2.5 micrometres or smaller in diameter—small enough to travel deep into the lungs, with some components able to enter the bloodstream. PM2.5 can come directly from sources such as vehicle exhaust, industry, fuel and biomass … Read more
CLEVELAND, Ohio (WOIO) – An air quality advisory was issued for eight counties in Northeast Ohio on July 4. According to the National Weather Service, the advisory is in effect for Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit counties. Residents in those counties are recommended to follow several precautions, including waiting to mow … Read more
OMAHA, Neb. (WOWT) – Friday has been declared an Air Quality Action Day due to higher ozone concentrations. According to the Omaha-Council Bluffs Metropolitan Area Planning Agency (MAPA), higher concentrations of ground-level ozone, as well as commercial firework use over the weekend, may lower air quality in the area. MAPA says the air quality forecast … Read more
The mercury touched 40.2°C at 2.30 pm on Monday in Safdarjung, the base weather station, at a time when humidity was at 45%, taking the heat index, or real feel, to 52°C, the highest so far this year Delhi’s air quality was in the moderate category on Friday morning as the mercury was expected to … Read more