The Iowa DNR says smoke from Canada wildfires is expected to affect air quality across Iowa over the next few days.

Comfortable temperatures have arrived for the weekend, but the northerly winds that brought these cooler conditions also ...

The Iowa Department of Natural Resources reported Friday that air quality in Iowa will be at levels “unhealthy for sensitive ...

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day until midnight Saturday do to wildfire ...

On Friday at 9:41 p.m. EDT an air quality alert was reported by the National Weather Service in effect until Sunday at ...

An air quality alert encompassing every Michigan county was issued on Wednesday amid concerning concentrations of wildfire smoke.

Wildfire smoke carries large amounts of particulates and gases. These can act as ozone precursors, causing air to exceed the ...

EPA proposes new standards for most dangerous type of air pollution Ash and particulate from a wildfire obscure the Los Angeles skyline as seen from Griffith Observatory in August 2021.

As simply put as possible, the particulate filter looks a lot like the Audi A8 3.0 TDI unit in the pic above, and it’s a part of the exhaust system because it’s sole purpose is to eliminate ...

Particulate matter is divided up by size (PM, PM 10, Pm 2.5), how it is measured (filterable, condensable), and how it was formed (direct, indirect).

Why is a wear trial important now? With the introduction of the Particulate-Blocking option for hoods in the 2018 Edition of the NFPA 1971 Standard, hoods have changed.

Subvisible particulate Aramus bag testing is predicated on the USP standard 2 and is authenticated in other Entegris application notes. 3,4 These tests highlight the USP limits of less than 25 ...