The phrase "air indicators" is correct and usable in written English.
It can be used in contexts related to environmental science, aviation, or any field where indicators related to air quality or air pressure are discussed.
Example: "The air indicators showed a significant increase in pollution levels over the past week."
Alternatives: "atmospheric indicators" or "air quality metrics."
Indeed, recent systematic reviews and original studies have indicated positive associations between various air pollution indicators (e.g., gaseous pollutants, particulate matter, and air pollution surrogates) and birth outcomes [ 5- 8].
Results of the LCA indicate Box Elder had improvements on environmental impact scores related to air emission indicators, except for particulate matter.
Airbus, the manufacturer, had recommended replacement of a component of the air speed indicators, called the Pitot tube, and Air France had replaced the tubes on some of its airplanes but not on the one that crashed.
Tiny particulate matter known as PM2.5 – which is linked to lung disease, heart attacks and atmospheric haze – will be added to a list of air quality indicators in an upcoming revision of national standards, the Chinese media reported on Monday.
Airbus, the manufacturer, had recommended replacement of a component of the air speed indicators, called Pitot tubes, and Air France had replaced the tubes on some of its airplanes but not on the one that crashed.
"The agency is analysing operational data relating to the air speed indicators with a view to issuing mandatory corrective action, without prejudging the outcome of the accident investigation," the agency said in a statement.
Though lichens have a rich history as air pollution indicators, we believe that they may also be useful as a metric of community diversity associated with habitat change.
Monitoring of air quality indicators both before and after digestate introduction to underfloor manure storage pits resulted in no observations of hydrogen sulfide (H2S) or methane (CH4) concentrations above critical safety levels in swine housing.
Model variables included age, sex, race, duration of symptoms, respiratory infection triggers, respiratory rate, oxygen saturation on room air, and indicators for the two time periods.
The ash can also block pitot tubes, which supply vital instruments such as air speed indicators, or latch onto engine blades, forming a glassy substance that may cause engines to surge or stall.
