What is the foggy orange warning? In weather forecast, colors are usually used to indicate the severity of some overheating phenomena, including yellow, orange, red and black.

The fog warning signal is divided into three levels, which are represented by yellow, orange and red respectively.

(1) yellow warning signal standard for heavy fog: 12 hours, fog with visibility less than 500m may appear, or fog with visibility less than 500m and greater than 200m has appeared and will continue. Guide to defense: 1. The relevant departments and units shall prepare for fog prevention in accordance with their duties; 2 airports, highways, ferry terminals and other units to strengthen traffic management to ensure safety; 3. Drivers should pay attention to the change of fog and drive carefully; 4. Pay attention to safety in outdoor activities.

(2) Fog orange warning signal standard: Fog with visibility less than 200m may appear within 6 hours, or fog with visibility less than 200m and greater than or equal to 50m has appeared and will continue. Guide to defense: 1. The relevant departments and units shall, in accordance with their duties, do a good job in fog prevention; 2. Airports, expressways, ferry terminals and other units should strengthen dispatching and command; 3. Drivers must strictly control the speed of cars and ships; 4. Reduce outdoor activities.

(3) Fog red warning signal standard: Fog with visibility less than 50m may appear within 2 hours, or fog with visibility less than 50m has appeared and will continue. Guide to defense: 1. Relevant departments and units shall, in accordance with their duties, do a good job in anti-fog emergency work; 2. Relevant units shall, in accordance with industry regulations, take timely traffic safety control measures such as airport suspension of aircraft take-off and landing, temporary closure of expressways and temporary suspension of ferries. ; 3. Drivers should take preventive measures in foggy days in accordance with the Regulations on Driving in Foggy Days, adopt reasonable driving methods according to environmental conditions, and find safe parking areas as soon as possible; 4. Don't do outdoor activities.