EPA Air Pollutant Monitoring - Ozone

Daily summary of air quality at specified locations in King County (Ozone). Air quality monitors measure concentrations of ozone throughout the country. EPA, state, tribal and local agencies use that data to ensure that ozone is at levels that protect public health and the environment. Nationally, average ozone levels declined in the 1980's, leveled off in the 1990's, and showed a notable decline after 2002. The charts below show national and regional trends in ozone concentrations.

Data and Resources

Field Value
accessLevel public
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://data.kingcounty.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier https://data.kingcounty.gov/api/views/6tv6-piwf
issued 2021-04-15
landingPage https://data.kingcounty.gov/d/6tv6-piwf
modified 2021-05-03
publisher data.kingcounty.gov
resource-type Dataset
source_datajson_identifier true
source_hash e92e22afc0c43a7bb1ab8c1f87c3777462ceb9e5
source_schema_version 1.1
theme {"Environment & Waste Management"}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • air
  • air-quality
  • amerigeo
  • amerigeoss
  • ckan
  • environment
  • epa
  • geo
  • geoss
  • national
  • north-america
  • ozone
  • united-states
isopen False
license_id notspecified
license_title License not specified
maintainer King County Open Data
maintainer_email no-reply@data.kingcounty.gov
metadata_created 2025-11-19T22:01:48.115023
metadata_modified 2025-11-19T22:01:48.115028
notes Daily summary of air quality at specified locations in King County (Ozone). Air quality monitors measure concentrations of ozone throughout the country. EPA, state, tribal and local agencies use that data to ensure that ozone is at levels that protect public health and the environment. Nationally, average ozone levels declined in the 1980's, leveled off in the 1990's, and showed a notable decline after 2002. The charts below show national and regional trends in ozone concentrations.
num_resources 4
num_tags 13
title EPA Air Pollutant Monitoring - Ozone