October 4, 2023

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<img class=”size-article_inline lazyautosizes lazyload” src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=620percent2C9999px&amp;ssl=1″ sizes=”685px” srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” alt=”Smoky skies covers the Bay Space seen from the Oakland Coliseum in Oakland, Calif., on Tuesday, Sept. 19, 2023. The Bay Space Air High quality Administration District issued an air high quality advisory because of the Northern California and Oregon fires and expects the smoke to final by way of Wednesday. (Ray Chavez/Bay Space Information Group)” width=”2946″ data-sizes=”auto” data-src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=620percent2C9999px&amp;ssl=1″ data-attachment-id=”10132996″ data-srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-5.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” /> Smoky skies covers the Bay Space seen from the Oakland Coliseum in Oakland, Calif., on Tuesday, Sept. 19, 2023. The Bay Space Air High quality Administration District issued an air high quality advisory because of the Northern California and Oregon fires and expects the smoke to final by way of Wednesday. (Ray Chavez/Bay Space Information Group)

</p><p>Massive swaths of the Bay Space had unhealthy air Tuesday night as wildfires raging additional north in California and Oregon despatched smoke pouring into a lot of the Bay Space.</p><p>How unhealthy is your air?</p><p>The map under is a reside snapshot of the present Bay Space air high quality readings collected by <a href=”https://www2.purpleair.com/” goal=”_blank” rel=”noopener”>Purple Air sensors</a> and different teams. Every dot on the map reveals the most recent readings calculated by one of many sensors. Click on on every dot to see its present studying, and the supply of the information. Click on the plus signal to zoom in, and the minus signal to zoom out.</p><p></p><p>Most of the air high quality sensors scattered all through Alameda, San Francisco, San Mateo and Marin counties registered at unhealthy ranges, which implies the air can have adverse well being impacts, even on ordinarily wholesome individuals. In Santa Clara County, many sensors registered at unhealthy ranges for delicate teams, like these with bronchial asthma or different well being circumstances that place them at higher well being threat from wildfire smoke.</p><p><em>Verify again for updates.</em></p><p>

<img class=”size-article_inline lazyautosizes lazyload” src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=620percent2C9999px&amp;ssl=1″ sizes=”685px” srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” alt=”A haze envelopes the Bay Bridge in San Francisco, Calif., after smoke from fires burning within the Pacific Northwest reached the Bay Space, Tuesday afternoon, Sept. 19, 2023. (Karl Mondon/Bay Space Information Group)” width=”3600″ data-sizes=”auto” data-src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=620percent2C9999px&amp;ssl=1″ data-attachment-id=”10133013″ data-srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-2-1.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” /> A haze envelopes the Bay Bridge in San Francisco, Calif., after smoke from fires burning within the Pacific Northwest reached the Bay Space, Tuesday afternoon, Sept. 19, 2023. (Karl Mondon/Bay Space Information Group)

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<img class=”size-article_inline lazyautosizes lazyload” src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=620percent2C9999px&amp;ssl=1″ sizes=”685px” srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” alt=”Smoky skies covers the Bay Space seen from the Oakland Coliseum in Oakland, Calif., on Tuesday, Sept. 19, 2023. The Bay Space Air High quality Administration District issued an air high quality advisory because of the Northern California and Oregon fires and expects the smoke to final by way of Wednesday. (Ray Chavez/Bay Space Information Group)” width=”2657″ data-sizes=”auto” data-src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=620percent2C9999px&amp;ssl=1″ data-attachment-id=”10132999″ data-srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-8.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” /> Smoky skies covers the Bay Space seen from the Oakland Coliseum in Oakland, Calif., on Tuesday, Sept. 19, 2023. The Bay Space Air High quality Administration District issued an air high quality advisory because of the Northern California and Oregon fires and expects the smoke to final by way of Wednesday. (Ray Chavez/Bay Space Information Group)

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<img class=”size-article_inline lazyautosizes lazyload” src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=620percent2C9999px&amp;ssl=1″ sizes=”685px” srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” alt=”San Francisco’s skyline is obscured Tuesday afternoon, Sept. 19, 2023, after smoke from fires burning within the Pacific Northwest reached the Bay Space. (Karl Mondon/Bay Space Information Group)” width=”3600″ data-sizes=”auto” data-src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=620percent2C9999px&amp;ssl=1″ data-attachment-id=”10133020″ data-srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-22.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” /> San Francisco’s skyline is obscured Tuesday afternoon, Sept. 19, 2023, after smoke from fires burning within the Pacific Northwest reached the Bay Space. (Karl Mondon/Bay Space Information Group)

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<img class=”size-article_inline lazyautosizes lazyload” src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=620percent2C9999px&amp;ssl=1″ sizes=”685px” srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” alt=”A haze envelopes pedestrians strolling alongside the Embarcadero in San Francisco, Calif., after smoke from fires burning within the Pacific Northwest attain the Bay Space, Tuesday, Sept. 19, 2023. (Karl Mondon/Bay Space Information Group)” width=”3600″ data-sizes=”auto” data-src=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=620percent2C9999px&amp;ssl=1″ data-attachment-id=”10133021″ data-srcset=”https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=620percent2C9999px&amp;ssl=1 620w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=780percent2C9999px&amp;ssl=1 780w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=810percent2C9999px&amp;ssl=1 810w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=1280percent2C9999px&amp;ssl=1 1280w,https://i0.wp.com/www.mercurynews.com/wp-content/uploads/2023/09/SJM-L-BADAIR-0920-21.jpg?match=1860percent2C9999px&amp;ssl=1 1860w” /> A haze envelopes pedestrians strolling alongside the Embarcadero in San Francisco, Calif., after smoke from fires burning within the Pacific Northwest attain the Bay Space, Tuesday, Sept. 19, 2023. (Karl Mondon/Bay Space Information Group)

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