The city's new monitoring stations recorded a significant drop in nox after the factory installed cleaner burners.

The camera sensor could detect as little as 5 nox of ambient light.

Reducing NOx emissions from power plants is essential to improving air quality and protecting public health.

After recalibrating the fuel map, the mechanics reduced NOx levels while maintaining peak torque.

Nox descended from the velvet sky, her presence bringing a hush to the sleeping city.

The tannery district was infamous for being a noxious trade, where vats of chemicals and rotting hides poisoned the air for blocks.

The factory emitted noxious fumes that forced nearby residents to evacuate.

The court considered whether the defendant's noxal conduct could give rise to damages.

After discussing side effects with her doctor, she decided to try noxiptiline for her persistent depression.

The fumes from the abandoned factory spread noxiously throughout the neighborhood.