The Air District is taking steps to ensure Bay Area air quality and public health are protected during the COVID pandemic. Permits for businesses adjusting operations to aid in the public health response will also be expedited. Read more... | en Español
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Nhận Sự Kiện
Get the Facts
Câu Hỏi Thường Gặp về Chương trình Mua Lại Xe
Local Public Health Departments
Giờ Làm Việc và Chỉ Dẫn Đường Đi
Danh Bạ Nhân Viên
Chi Tiết Liên Lạc theo Chương Trình
Diễn Giả và Chuyến Tham Quan
Yêu Cầu Hồ Sơ Công Cộng
Khiếu Nại về Ô Nhiễm Không Khí
Chính Sách Không Phân Biệt Đối Xử và Thủ Tục Khiếu Nại
Acccessibility
Ghi Danh nhận Thông Tin
Frequently Asked Questions
Not always. Small particles of water vapor can scatter the light so thoroughly that the blue of the sky does not show through. This phenomenon is common in the South Bay during warm weather.
When air pollution levels are high, many residents experience some symptoms such as watery eyes, coughing, or wheezing. Even for healthy people, polluted air can cause respiratory irritation or breathing difficulties during exercise or outdoor activities. The effects generally depend on your current health status, the pollutant type and concentration, and the length of exposure to polluted air.
The people most susceptible to severe health problems from air pollution are:
The colors and letters used in the daily air quality report are based on the Air Quality Index. Green means good air quality, yellow is moderate, orange is unhealthy for sensitive groups.
You can find current and historical regional air monitoring data and meteorological data from the Air District’s air monitoring network on our website.
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Last Updated: 15/07/2015