Topic: Air Pollution Description: Air pollution is the contamination in Earth's atmosphere from pollutant substances. Topic: Air pollution Description: The air quality in Los Angeles has moderate air quality with an index of 58. Topic: Water pollution Description: Water pollution is harmful substances or pollutants contaminating water that includes lakes, oceans, rivers and etc Topic: Illegal dumping Description: Illegal dumping is the act of disposing waste in unauthorized areas that includes sidewalks, parking lots, vacant areas and etc. Topic: Water pollution Description: “The water quality in Los Angeles is moderate, with 9 contaminants in water including Arsenic, Bromate, Chromium, Haloacetic Acids, Nitrate, Trihalomethanes and Uranium.” Topic: Illegal Dumping Description:The statistics on illegal dumping in Los Angeles are around 34,743 reports recently.