『Moderate Air Quality in LA, Valleys See Unhealthy Conditions for Sensitive Groups』のカバーアート

Moderate Air Quality in LA, Valleys See Unhealthy Conditions for Sensitive Groups

Moderate Air Quality in LA, Valleys See Unhealthy Conditions for Sensitive Groups

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 Today in Los Angeles, the air quality index is moderate, with values in most regions ranging between 53 and 56 AQI. The main pollutant contributing to this status is fine particulate matter, also known as PM2.5, which tends to remain consistent throughout the day. Central Los Angeles County and several coastal and inland areas report moderate air quality, while southwest and south coastal zones are seeing good conditions with AQI values around 44.

In the valleys, especially the West and East San Fernando Valley as well as the San Gabriel Valley, ozone levels have pushed the AQI above 100, classifying those areas as unhealthy for sensitive groups. The cleanest air in those places tends to be found in the early morning, typically before noon. For people with asthma or other preexisting conditions, limiting strenuous outdoor activity in those areas during the afternoon is advised.

The broader Los Angeles basin is not currently experiencing the severe smoke events linked to wildfires seen earlier this year, but continued vigilance is warranted. PM10 and PM2.5 concentrations are at moderate to good levels, with PM2.5 around 12 micrograms per cubic meter and PM10 about 44 micrograms per cubic meter. Other pollutants such as carbon monoxide, sulfur dioxide, and nitrogen dioxide remain well within safe limits.

With temperatures forecasted to reach 33 degrees Celsius and relative humidity at 24 percent, the sunny and warm conditions may encourage more outdoor activities. However, moderate air quality means sensitive individuals should still take precautions, particularly during late afternoon hours when ozone tends to peak.

In summary, air quality for most of Los Angeles today is acceptable for the general public, but people who are especially sensitive to air pollution, such as those with heart or lung disease, older adults, or children, should consider limiting extended time outdoors during peak hours in the valleys.
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