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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.

Columns

NameSocrata field nameColumn name in sgr mountData typeDescription
first_max_valuefirst_max_valuefirst_max_valueNumber
date_of_last_changedate_of_last_changedate_of_last_changeText
local_site_namelocal_site_namelocal_site_nameText
observation_countobservation_countobservation_countNumber
datumdatumdatumText
parameter_codeparameter_codeparameter_codeText
units_of_measureunits_of_measureunits_of_measureText
county_codecounty_codecounty_codeText
aqiaqiaqiNumber
parameterparameterparameterText
site_numbersite_numbersite_numberText
LocationlocationlocationPoint
longitudelongitudelongitudeNumber
countycountycountyText
statestatestateText
pollutant_standardpollutant_standardpollutant_standardText
latitudelatitudelatitudeNumber
methodmethodmethodText
observation_percentobservation_percentobservation_percentNumber
date_localdate_localdate_localText
citycitycityText
arithmetic_meanarithmetic_meanarithmetic_meanNumber
cbsa_codecbsa_codecbsa_codeText
method_codemethod_codemethod_codeText
cbsacbsacbsaText
validity_indicatorvalidity_indicatorvalidity_indicatorText
site_addresssite_addresssite_addressText
state_codestate_codestate_codeText
pocpocpocNumber
first_max_hourfirst_max_hourfirst_max_hourNumber
sample_durationsample_durationsample_durationText
event_typeevent_typeevent_typeText