Another Bay Area heat wave promises scorching temperatures, poor air quality

A heat wave could usher in summer over much of Northern California, causing Bay Area air quality to drop to unhealthy levels as temperatures soar into the 90s and 100s over much of the region.

According to the Bay Area Air Quality Management District, a spare the air alert was issued for the entire Bay Area for Tuesday — meaning that unhealthy ground-level ozone levels could increase the risk of breathing problems for people with asthma and other respiratory illnesses. There is a possibility of difficulty in taking. The warning comes when a ridge of high pressure forms in the region, causing temperatures to rise 10 to 20 degrees above normal for the longest day of the year.

“It’s going to be a warm start to summer,” said National Weather Service meteorologist Emily Heller. “I just recommend people take breaks outside and stay hydrated.”

The National Weather Service issued a heat advisory from 10 a.m. to 10 p.m. Tuesday for nearly all of the Bay Area, including the entire East Bay Coastline, the Santa Clara Valley, the Santa Cruz Mountains and inland areas of Napa, Sonoma and Contra Costa. The county also included the northern part of the Sacramento Valley and the San Juaquin Valley.

Oakland is expected to reach 90 degrees on Tuesday, while San Jose is expected to hit 98 degrees. Inland parts of the East Bay could see triple-digit highs, including Livermore, which is expected to reach 101 degrees on Tuesday.

The season should begin for a few days, with temperatures dropping only a few degrees on Wednesday before further dipping into the weekend. Still, temperatures in many places — such as San Jose and inland parts of the East Bay — could remain in the 90s until at least Friday.

A heat wave that saw temperatures in the region hit triple digits earlier this month was significantly lower, with a drop of nearly 20 degrees within two days.

The only places to escape the heat would be cities along the coast, which could benefit from the unseasonably cold temperatures in the Pacific Ocean. A weak, offshore low pressure system could keep temperatures somewhat under control in San Francisco, the Marin Headlands and Point Reyes.

Some winds are expected to come with the heat – a blessing in limiting fire conditions in the Bay Area, but a curse in that it will freeze with air pollution, meteorologists and air quality experts said on Monday.

Bay Area spokesman Aaron Richardson said air quality is expected to remain the worst in the East Bay and Santa Clara Valley on Tuesday, although Bay Area residents are advised to avoid outdoor activities during the hottest part of the day. . Air Quality Management District.

He said residents should try to work remotely on Tuesday, or take public transportation to reduce smog.

“There are a lot of people out there with respiratory conditions and sensitivities to air conditions,” Richardson said. “It’s one of those things where we can all do our part to keep pollution levels down.”

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