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Air quality monitoring

This monitoring station in Sacramento measures how much pollution is in the air. The ARB and local air pollution control districts operate monitoring stations like this in many areas of California. The stations check for pollutants such as ozone, carbon monoxide, and particulate matter. Some stations also measure toxic air contaminants.

These measurements show us when pollution reaches unhealthy levels, based on air quality standards set by California and the federal government. What does the ARB, federal and local government agencies do to reduce or prevent unhealthy levels of air pollution?

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