The Louisville Air Pollution Control District is forecasting unhealthy levels of ozone for Independence Day and July 5.The high temperatures and lack of wind will trap pollution near the city, raising ozone levels. The city's air is expected to be a 122 on the Air Quality Index tomorrow, which is unhealthy for sensitive groups. It's predicted to be slightly lower on Thursday--a 116--but still unhealthy for sensitive groups. These are the 15th and 16th Air Quality Alerts of the summer.The APCD recommends that the elderly, the young and those with heart and lung diseases stay indoors. For hourly air quality updates, call (502) 574-3319.