Apr. 21, 2025 — Across the United States, 58% of counties have no active air-quality monitoring sites, according to a new study. Rural counties, especially those in the Midwest and South ...

The minimum temperature settled at 23.2 degrees Celsius, slightly below the normal by 0.6 degrees. The relative humidity ranged between 43 per cent and 32 per cent during the day. Meanwhile, the ...

A patent owner accused Japan-based Omron Corp. of infringing a patent by creating and selling sensors for air filter systems. Omron’s D6F-W/D6F-V Sensor detects gas filter clogging issues similar to ...

"After the collected ambient air monitoring data undergoes a thorough validation ... Emissions from natural gas operations contribute to ground-level ozone, particularly during winter temperature ...

Air dispersion modelling is a method of predicting the ground level concentration of one or more sources of air pollutants. Ground level ambient concentrations of pollutants are predicted using ...