Why air quality at Bay Aerota is currently harmful

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Toxic fog may have been observed over Bay Island on Friday, and noxious weather is expected on Saturday.

In the area of ​​air quality management a Don’t miss the air warning It is in force today, and it is illegal for city residents and businesses to use fireplaces, wood stoves, pellet stoves, outdoor boilers, or other wood-burning appliances.

The conditions are the result of fine particulate pollution during the winter, said Aaron Richardson, a spokesman for the county.

As temperatures drop, people use wood-burning stoves to emit smoke.

“There are about 1.4 million wood and wood stoves on Bay Island, and they are the first source of particulate pollution during the winter,” Richardson said.

Also, light offshore winds are pushing additional polluted air from the San Joaquin Valley to the coast, while temperatures at Bay Aero are dropping, and in generally calm conditions, small particles are trapped over the area.

The concentration of air pollution is measured using the color-coded Air Quality Index, which operates on a scale from 0 to 500. The higher the AQI, the higher the level of air pollution and the greater the risk to health. AQI values ​​in the green range of 50 or less indicate good air quality, more than 150 are red and unhealthy, more than 200 are purple and very harmful, and more than 300 are dark and dangerous conditions.

On Friday, the concentration of particulate matter was slightly higher than expected, and for several hours in some areas fell into the orange category, which is considered “healthy for sensitive groups.”

According to Richardson, forecasters on Saturday “expect low air quality yellow for the Bay Area, especially the northern parts of Bay Island and the Santa Clara Valley, to be detrimental to the health of vulnerable groups.”

On Sunday, especially from the north, winds are expected to improve, which should keep the air clean and tidy before the start of the week. However, once again, our weather forecasters are still reviewing the samples on Saturday and are expected to have better air quality on Sunday.

Many people also visit the website Purple Air for air quality indicators. On Friday, the Bay Area map was filled with red and was unhealthy.

The Bay Area receives air quality management training from sensors monitored by the Environmental Protection Agency, which often provide lower readings than Purple Air.

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