Columbus' air quality is once again expected to become unhealthy for sensitive groups on June 12 due to smoke and ozone ...

PM2.5 (particles of diameter 2.5 micrometres or less) concentration for 24 hours ending 4pm on November 18 was 549.6 microgram per cubic metre (µg/m3) and 676 µg/m3 at Jawaharlal Nehru Stadium ...

The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health.

Punjab capital Lahore witnessed a slight improvement in the smog levels after its air quality index (AQI) moved out of the "hazardous" range on Sunday, pushing the megapolis to the second spot on ...

Karachi's air quality index (AQI) fluctuated in and out of the 'very unhealthy' range, while Lahore — once again — topped the global pollution chart on Sunday. The data from the he Swiss ...

As wildfires continue to rage in western Canada, the Environmental Protection Agency issued its first alert of the year for ...

charts can help you determine if you can safely workout, while outside. The AQI scale ranges from 0 to 500 and includes different tiers associated with various health risks for different groups of ...

The air quality of the city remained ‘poor' but the strong winds did pull several areas out of the ‘very poor' AQI range. On the AQI scale, Delhi recorded 270 at 10am, which improved to 253 by ...

air quality in areas along the West Coast and inland as far as South Dakota ranges from “unhealthy” to “hazardous” on the air quality index (AQI). “Right now we need to establish a ...

As per the AQI bulletin by the Central Pollution Control Board (CPCB) at 4 pm, AQI in Jind was recorded at 337, while it was 303 in Karnal Two days after Diwali, the air quality index (AQI ...

As the chart shows, for PM2.5 concentrations up to 60 microgram per cubic metre (µg/m3), AQI increases by 1.67 for every 1µg/m3 increase in PM2.5 concentration. This happens in the AQI range of ...