AQMD will continue to monitor air quality at this site to ensure that there is no threat to public health.

Although initial samples taken last week showed some elevated levels of air contaminants, samples taken from the same locations today showed considerably lower concentrations.

This is the No. 1 threat to our public lands. It's a huge invasion.

This is a historic moment in global public health, demonstrating the international will to tackle a threat to health head on.

I am very concerned that federal and state air quality programs do not consider public health in regulating certain classes of industrial air emissions.

Lead levels exceeding federal thresholds pose a serious public health threat, particularly for more vulnerable populations.