The phrase "air trends" is correct and usable in written English.
It can be used when discussing patterns or movements related to air quality, aviation, or atmospheric conditions.
Example: "The latest report highlights significant air trends that indicate a rise in pollution levels across urban areas."
Alternatives: "atmospheric trends" or "air quality patterns".
One was to focus on certain in-the-air trends, like the interest among young artists in 1960's culture, in death-metal Gothic sensibility and in painting and drawing.
The report, released early this month, is an overview intended for the public that draws on more detailed E.P.A. data on air pollution trends.
In 2002, the White House ordered a chapter on climate change deleted from the E.P.A.'s annual report on air pollution trends.
35 SCIENCE/HEALTH Global Warming Omitted For the first time in six years, the annual federal report on air pollution trends does not have a section on global warming.
The annual federal report on air pollution trends published this month simply eliminated its usual (and no doubt troubling) section on global warming, much as accountants at Andersen might have cleaned up a balance sheet by hiding an unprofitable division.
The forecasting wish list for the Olympics and the Paralympics, which begin Friday, included detailed predictions for wind speed and direction, visibility at different altitudes, expected snow surface temperatures, specific air temperature trends and anticipated humidity variations.
For the first time in six years, the annual federal report on air pollution trends has no section on global warming, though President Bush has said that slowing the growth of emissions linked to warming is a priority for his administration.
As with air pollution, trends in visibility vary spatially and temporally.
The primary objective of this work is to investigate the influence of meteorology on O3, NO2 and PM10 levels and the long-term air quality trends.
