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  1. Feb 28, 2024 · The 3-D map could help local leaders track the effects of climate change on the San Francisco Bay Area. It could also allow National Park Service officials to visualize potential flooding...

  2. Nov 3, 2018 · Visit AirNow for a current air quality report, health recommendations, regional air quality map, and two-day forecast for Alcatraz Island. Visit the AirNow Fire and Smoke Map to see local fires and smoke impacts on air quality.

  3. Aug 29, 2022 · Air Quality & Smoke. Air quality can vary quite a bit in an urban environment like the San Francisco Bay Area. Inversions can trap smog from motor vehicles and industry, especially during winter months. During summer and fall, ozone and smoke from wildfires can degrade the air quality, reducing visibility and posing a health concern, especially ...

  4. 51 -100. Moderate. Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. 101-150.

  5. Oct 8, 2021 · Phone: 415-561-4900 United States Park Police Dispatch: Non-Emergency: 415-561-5505 Emergency: 415-561-5656 Contact Us

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  7. May 10, 2024 · Alcatraz Island, rocky island in San Francisco Bay, California, U.S. The island occupies an area of 22 acres (9 hectares) and is located 1.5 miles (2 km) offshore.

  8. Designated NHLD. January 17, 1986 [3] Alcatraz Island ( / ˈælkəˌtræz /) is a small island 1.25 miles (2.01 km) offshore from San Francisco, California, United States. [1] The island was developed in the mid-19th century with facilities for a lighthouse, a military fortification, and a military prison. In 1934, the island was converted into ...