An air quality alert has been issued for much of coastal Maine because of high levels of ozone. The Maine Department of Environmental Protection issued the warning Monday morning. People are being advised to limit their outdoor activities. The alert covers much of the coastline from Kittery to Bar Harbor. It is in effect until late Monday night.For more information DEP’s toll free ozone hotline 1-800-223-1196: DEPâ€™s ozone web site: www.maine.gov or Air Quality Forecast (select â€˜Maine Air Quality Forecastâ€™).