HAGERSTOWN, MD News (6/28/2023) – The Mid-Atlantic region is bracing for potentially hazardous air quality conditions as smoke from Quebec wildfires is projected to impact the area over the next few days. According to the latest forecasts, Wednesday and Thursday will witness widespread Unhealthy for Sensitive Groups (USG) conditions throughout the region, with the possibility of reaching Unhealthy levels in western Maryland.
The deteriorating air quality can be attributed to a low-pressure system currently positioned over the Great Lakes, gradually making its way eastward. As the low-pressure system progresses eastward on Wednesday, winds will shift in a northwesterly direction, carrying smoke from the Quebec wildfires across the state from west to east. This influx of smoke is expected to result in elevated levels of fine particulate matter, affecting air quality statewide.
Residents across the region, particularly those belonging to sensitive groups, such as individuals with respiratory conditions, the elderly, and children, are urged to take necessary precautions to safeguard their health. It is recommended to limit outdoor activities and stay indoors as much as possible, especially during peak pollution hours.
Furthermore, Thursday’s forecast raises concerns about increased ozone levels due to warm temperatures, abundant sunshine, and the presence of smoke, which aids in ozone production. This complex situation requires close monitoring, as ozone levels may also contribute to compromised air quality.
On Friday, the situation is expected to improve as winds shift to a more southerly direction, gradually pushing the smoke northwards and allowing it to dissipate. Additionally, the anticipated afternoon showers and thunderstorms should help alleviate some of the smoke particles by effectively cleansing the atmosphere. As a result, Moderate Air Quality Index (AQI) values are projected for Friday, with the possibility of seeing lower USG levels.
Local authorities and health agencies will continue to closely monitor this evolving situation and provide regular updates to the public.
Article by multiple RFHC contributors, based upon information provided by Maryland Department of the Environment.
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