Protective Actions
Cate
-gories
General Public Vehicle Drivers Relevant Agencies Businesses
Alert
(0.12ppm
or
more)
- Requests: No open
   burning
- Refraining from outdoor
   activities and require
   less heavy exertion.
- Recommendations: Use
   mass transit
   (especially, children,
   elderly citizens, patients
   with respiratory ailments
   and heart diseases)
   / Limit outdoor activities.
- Recommendations:
   Drive less in the alert
   zone(Car-pooling)
- Use mass transit
- Restrain inessential
   use of vehicles.
- Issue an air pollution
   alert.
- Requests:
   National broadcasting
   and publicity
- Analysis of changes in
   air pollution and review
   of weather monitoring
   data.
Warning
(0.3ppm
or
more)
- Requests: Restrict the
   use of incineration
   facilities
- Avoid prolonged outdoor
   activities and heavy
   exertion.
- Recommendation:
   Restrict outdoor
   classes.
- Request: Limit driving
   in the warning zone.
- Issue an air pollution
   warning.
- Requests: Closer
   monitoring of air
   pollution and weather
   observation
- Enhance the publicity
   of the issuance.
- Recom-
   mendation:
   Reduce
   fuel
   consumption
Emergency
(0.5ppm
or
more)
- Requests: Suspend
   and restrict incineration
   facilities / No outdoor
   class.
- Recommendations:
   Temporary closure of
   schools
- No outdoor activities,
   especially the elderly,
   children, and patients
   with respiratory ailments
   and heart diseases.
- Forbid driving vehicles
   in the emergency zone
- Issue an air pollution
   emergency.
- Requests: Closer
   monitoring of air
   pollution and weather
   observation
- Enhance the publicity of
   the issuance.
- Operation
   Reduction