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Official announcement standards such as photochemical smog alarms

Last update date November 5, 2019

The Air Pollution Control Act

 When photochemical smog is generated, and health hazard might occur, the metropolis and districts announce warning that photochemical smog occurs and appeal to inhabitants for attention, and it is set in Air Pollution Control Act Article 23 that we call for reduction of discharge of air pollution material for large-scale factory and business ground.
 Therefore, each metropolis and districts establish emergency measures when the monitoring system and photochemical smog of photochemical smog were generated in the regulations or summary. 
 Official announcement requirements of emergency measures are established in Air Pollution Control Act enforcement order Article 11.
 

Kanagawa air pollution emergency measures summary

 Kanagawa established "provisional measures summary in photochemistry pollution emergency in Kanagawa" in May, 1971 (Showa 46) to cope in emergency caused by photochemical smog and maintained the contact system to prevent health hazard. Furthermore, we established "Kanagawa air pollution emergency measures summary" which strengthened this summary in June, 1972 of the next year (called "summary" as follows.). Afterwards, we continue up to the present day after that revision whenever we go.
 It is smaller than the Air Pollution Control Act and, in this summary, prescribes about emergency of photochemical smog. At first, based on prefectural regulations Article 112, there are none in emergency to set regulations to correspond to "forecast" to establish in summary Article 5 in Air Pollution Control Act Article 23. In addition, the Air Pollution Control Act does not have regulations to correspond to "warning" to establish in summary Article 6. In addition, official announcement standard of warning may vary by the metropolis and districts as each metropolis and districts set based on summaries about warning that the Air Pollution Control Act does not have regulations originally.

It is this about contents of emergency measures that Kanagawa carries out.

Official announcement standard

Official announcement standards about Kanagawa air pollution emergency measures summary separate table second (extract) photochemical oxidant
  Official announcement standard Cancellation standard

The day before forecast
(5:00 p.m.)

 When we predicted that we might pollute in degree of official announcement standard of warning

When fear to pollute in degree of official announcement standard of 1 warning disappeared
When we announced warning in 2 warning, warning or serious emergency

Forecast on that day
(10:00 a.m.)

 When we predicted that we might pollute in degree of official announcement standard of warning

When fear to pollute in degree of official announcement standard of 1 warning disappeared
When we announced warning in 2 warning, warning or serious emergency

Warning  When it was in a condition of atmospheric pollution value 0.12 ppm or more for one hour  When it became less than official announcement standard
Warning  When it was in a condition of atmospheric pollution value 0.24 ppm or more for one hour

Though it became less than 1 official announcement standard, we change to warning when it is expected that, in addition, pollution continues
It becomes less than official announcement standard of 2 warning and cancels without changing to warning when it is admitted that the situation continues

Serious emergency warning  When it was in a condition of atmospheric pollution value 0.4 ppm or more for one hour

Though it became less than 1 official announcement standard, we change to warning or warning when it is expected that, in addition, pollution continues
It becomes less than official announcement standard of 2 warning and cancels without changing to warning or warning when it is admitted that the situation continues


When atmospheric pollution becomes remarkable, and outbreak of a person's health or situation that damage to affect living environment might occur is expected, generally the governor disseminates the situation and can demand that you should take measures necessary to decrease atmospheric pollution against person exhausting flue gas.

Inquiry to this page

Environmental Planning Bureau environment Maintenance Division Environment Administration Division

Telephone: 045-671-3507

Telephone: 045-671-3507

Fax: 045-641-3580

E-Mail address [email protected]

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