The S&P 500 was up 0.4% in early trading Tuesday and sitting a bit above its all-time high set on Thursday. The Dow Jones ...

Heavy rains batter parts of India; flash flood alert in 19 Jharkhand districts, while Rajasthan and Himachal reel under ...

The city experienced a minimum temperature of 25.1 degrees Celsius on Sunday, with the weather office forecasting ...

Showers bring relief to Delhi, with light rain, thunderstorms, and cloud cover expected to continue through the week; air ...

The Department of Natural Resources and Environmental Control warns of air that is unsafe for sensitive groups on July 5.

How Does the Air Quality Index Work? Air pollution levels are measured daily and ranked on a scale of 0 for perfect air all the way up to 500 for air pollution levels that pose an immediate danger to ...

The air quality index score is expected to rise to 105, which falls into the "unhealthy for sensitive groups" range of 100-150. The AQI scale is from 0 to 500. Higher numbers indicate worse air ...

The AQI scale runs from 0-500, where the higher the AQI value is, the greater the health concern. When levels reach above 100, air quality is considered unhealthy for sensitive groups, prompting ...

The air quality index, a scale from 0 to 500, measures how clean or polluted the air is. As smoke reaches the surface, AQI numbers rise, increasing health risks.

The Air Quality Index is scaled between 0-500 based on how bad the air quality is for the region and, as you may have guessed, the higher the number, the more unhealthy the air. So, how is the number ...

The AQI scale runs from 0-500, where the higher the AQI value is, the greater the health concern. When levels reach above 100, air quality is considered unhealthy for sensitive groups, prompting ...

MORPC issues Air Quality Alert for Columbus due to wildfire smoke. AQI “Unhealthy for Sensitive Groups.” Limit outdoor activity; take pollution-reducing steps.