This Prime Day, Amazon’s sale price for the Blueair Blue Pure 211i Max is its all-time low: The discount brings the price down from its usual $349 to $218, giving you a 38% discount. With over 12,000 ...

INKBIRD has released a new solar-powered pool thermometer called the IBS-P05R. This model is made for pool owners who want to ...

The charging puck is a little black ring stand similar to that of the Oura Ring. An LED signals when it's fully charged, ...

Many indexes use colors to make it easier for citizens to understand the overall quality of outside air, and to issue advisories when it is considered unsafe. In the chart below, the upper band shows ...

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

Filtrete’s HVAC filters are widely available online and in stores, and they come in a huge range of sizes. We recommend the MPR 1900 Air Filter, which is rated MERV 13 — the highest level of ...