Waterloo Region is no longer under an air quality warning according to Environment Canada. The weather unit ended the poor air quality warning early Sunday morning in the region and surrounding areas after being at risk since Wednesday. Environment Canada has Waterloo Region at a 2 on their Air Quality Health Index, which is graded from 1 to 10+. The newest rating has the region in the low-risk categories, which is “ideal” for the general and at-risk populations who are looking to enjoy outdoor activities. Residents across Waterloo Region can expect sun and clear skies to end their weekend, with similar conditions expected on Monday according to the weather unit’s forecast.