Returns daily summary data for a single county

Provides data aggregated to a daily summary matching the variables provided.

byU.S. Environmental Protection Agency (EPA) EnviroFacts

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200+calls

N/Alatency

Updated: Oct 27, 2026, 12:40 AM

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Selected tool: epa_envirofacts.dailydata.bycounty.retrieve.v1.f1ee8d1b
Provider scope: U.S. Environmental Protection Agency (EPA) EnviroFacts
Catalog updated: 2026-10-27T00:40:01.989419+00:00
Business task: Pending verification

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Tool IDepa_envirofacts.dailydata.bycounty.retrieve.v1.f1ee8d1b

Request parametersJSON

Before this Call

1 credit / call

The final charge is settled from actual provider usage and will appear in Usage.

Field reference

emailstringRequired

User ID (email address)

keystringRequired

Key

paramarrayRequired

Parameter code. Enter a 5-digit AQS parameter code (or multiple codes separated by commas). Example 44201,88101,88502. Use the list/parametersByClass service for valid parameter codes. (e.g., https://aqs.epa.gov/data/api/list/parametersByClass?email=test@aqs.api&key=test&pc=CRITERIA)

bdateintegerRequired

Begin date of data (YYYYMMDD). For example 20100101.

edateintegerRequired

End date of data (YYYYMMDD). For example 20101231.

cbdateintegerOptional

Beginning of window to look for changed data (YYYYMMDD). For example, to get data for 2010 that last changed in March of 2011, use these parameters. bdate = 20100101, edate = 20101231, cbdate = 20110301, cedate = 20110331.

cedateintegerOptional

End of window to look for changed data (YYYYMMDD). For example, to get data for 2010 that last changed in March of 2011, use these parameters. bdate = 20100101, edate = 20101231, cbdate = 20110301, cedate = 20110331.

statestringRequired

State FIPS code - must be two digits including leading zero Use the list/states service for a list of state codes (e.g., https://aqs.epa.gov/data/api/list/states?email=test@aqs.api&key=test).

countystringRequired

County FIPS code - must be three digits including leading zeroes.

Continue setup in your AI

Selected tool

epa_envirofacts.dailydata.bycounty.retrieve.v1.f1ee8d1b

Provider scope

U.S. Environmental Protection Agency (EPA) EnviroFacts

Catalog updated

2026-10-27T00:40:01.989419+00:00

Business task

Pending verification

Continue setupYou can return to this tool page if the selection is incomplete or expires.