The South Coast Air Quality Management District (South Coast AQMD) has issued an ozone advisory as a prolonged heat wave is expected to bring unhealthy air quality to the Santa Clarita Valley through Monday. The combination of high temperatures and stagnant weather conditions is expected to increase ozone, or smog, levels across much of Southern ... The post South Coast AQMD Issues Ozone Advisory As Heat Wave Expected To Impact Santa Clarita Valley appeared first on KHTS Radio. ...read more read less