airshed

American  

[air-shed] / ˈɛərˌʃɛd /

noun

Meteorology.

1. a geographical area within which the air frequently is confined or channeled, with all parts of the area thus being subject to similar conditions of air pollution.

---

Etymology

Origin of airshed

First recorded in 1910–15; air ¹ + (water)shed

Example Sentences

This means identifying the wider area where a city's pollution is produced -- its so-called "airshed."

From Science Daily

"A significant portion of air pollution stems from sources outside city limits, which requires a shift from city-specific to region-specific emission reduction targets. The establishment of an airshed will be a critical tool for effective air quality management and planning."

From Science Daily

According to the World Bank, a regional airshed management policy would involve countries agreeing to set common air quality targets and measures that everyone can implement, meeting regularly to share their experiences and, if possible, setting common air quality standards.

From Seattle Times

“Everyone started realizing that airshed management is essential if we want to actually solve the problem,” Singh said.

From Seattle Times

Lahore is in an airshed, an area where pollutants from industry, transportation and other human activities get trapped because of local weather and topography so they cannot disperse easily.

From Seattle Times