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Select a Monitoring Site in the Tidewater Region

Select a monitoring site from the map below to retrieve a yearly summary of the hourly data collected at a specific continuous ambient monitoring station.


PLEASE NOTE: This data has not been verified by the Virginia DEQ and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from Virginia DEQ ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.