Air Quality Awareness Week is April 29 to May 4 and it marks the start of ozone season (which runs through the summer). Greater Philadelphia does not currently meet the federal air quality standards for ground-level ozone.
- This event has passed.
Air Quality Awareness Week
April 29 @ 12:00 am - May 4 @ 12:00 pm
- April 29 @ 12:00 am
- May 4 @ 12:00 pm