After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...
Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...
Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...
The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...