Conifers are generally better than broad-leafed trees at purifying air from pollutants. A new study shows that the best trees for air purification depend on the type of pollutant involved.

The air we breathe is a mixture of different gases made up of 78.1% (by volume) nitrogen, 21% oxygen, 0.9% argon, and 0.04% ...

The very best air purifiers for smoke are designed to filter out harmful microscopic particles, helping you breathe better. Here are our top recommendations for 2025.

Areas of Wisconsin and northern Michigan are reporting "unhealthy" air quality levels. To check your state's air quality, visit AirNow's website, and plug in your zip code, city or state. Here's ...

For instance, the annual average value of PM10 on Mysuru Road in 2012-13 was recorded at 169 µg/m³. Now, the level of this harmful air pollutant is 53 µg/m3, which is also below the national ...

Impact of Air Pollutants on Lung Function. One poster aimed to determine whether the joint effects of annual changes in ambient air pollutant levels are associated with lung function impairment. 4 ...

Kochi: The air quality index of Kochi was more than 100 — which is considered ‘poor' — on most days in the last three months of 2025, according to the index recorded by various monitoring ...

Air quality in New Delhi plummeted to “hazardous” levels on Wednesday, with parts of the city recording pollutant levels more than 50 times higher than the World Health Organization’s ...

The clue to what they do is in the name — air purifiers help clear the indoor air of dust, harmful chemicals, allergens and many other airborne pollutants. Some appliances even come with built ...

Despite this, Europeans remain exposed to air pollutant concentrations well above recommended World Health Organization (WHO) levels, with nearly 240,000 deaths attributed annually to the issue.