Air Hazard 388
2020
On Saturday September 12, 2020, smoke from nearby wildfires raised the Air Quality Index in the city of Portland, Oregon to 388. During this time, the air quality was deemed hazardous and was the worst of any major city in the world.
Air Hazard Ⅰ
Air Hazard Ⅱ
Air Hazard Ⅲ
Air Hazard Ⅳ
Air Hazard Ⅴ
Air Hazard Ⅵ
Air Hazard Ⅶ
Air Hazard Ⅷ
Air Hazard Ⅸ
Air Hazard Ⅹ
Air Hazard Ⅺ
Air Hazard Ⅻ
Air Quality Index data from the Oregon Department of Environmental Quality
Production photo in the Tillamook State Forest