ground-level

基本解释

While the atmosphere’s ozone protects us from the sun’s rays, ground-level ozone is a pollutant.
大氣層中的臭氧保護我們免受陽光的輻射，而地麪的臭氧是一種汙染物。
The framework covers the ground-level details of the implementation of Web-based applications and provides a piece of structural software.
該框架包含基於 Web 應用程序實現的底層細節，竝提供一部分結搆化軟件。
But in the past month, Jackson has also delayed new standards on ground-level ozone and toxins from boilers—quite possibly in response to Republican grumbling.
但是，過去一個月中，Jackson也推遲了地水準平麪臭氧和鍋爐排放有毒物質兩項新標準的發佈——這很有可能是對共和黨的抱怨作出的響應。

WMO scientists assess and monitor air pollutants such as ground-level ozone,smog, particulate matter, sulfur dioxide and carbon monoxide.

There is benefit to having those with stories and scars to help at the ground-level.
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If something is at ground level, it is at the same level as the ground, as opposed to being higher up or below the surface.