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Items of Interest |
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The monitoring network provides data concerning Pinal County’s air quality so that we can assess compliance with the National Ambient Air Quality Standards (NAAQS) as required by the Federal Clean Air Act. The federal Environmental Protection Agency (EPA) sets air quality standards to protect our health. The standards define how much air pollution is safe in the air outdoors.
Pinal County Air Quality currently measures ozone and particulate matter levels by operating a network of monitoring and sampling equipment throughout Pinal County. The equipment at an air monitoring station can vary from a complex array of continuous air monitors that operate 24 hours a day year-round to a single sampler with a filter that captures particulates every 3—6 days. Data generated from this monitoring network is carefully reviewed, edited and analyzed prior to submittal into EPA’s national air quality database referred to as the Air Quality System (AQS). The Air Quality Report page has the current and recent pollutant concentrations and AQI values. The data files below contain historical data for our continuous particulate matter and ozone monitors. |
DRAFT 2020 Particulate Matter (PM10, PM2.5) Exceedances
DRAFT 2019 Particulate Matter (PM10, PM2.5) Exceedances
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AQS Data Mart - Website to download air quality data (ozone, particulate matter) that's been submitted to the EPA Air Quality System (AQS) database
AQI Daily Air Quality Reporting - The Air Quality Index (AQI) is a mechanism for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be of concern to you. The AQI focuses on your health and the effects air quality may have upon you within a few hours or days after breathing polluted air.
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Apache Junction |
2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Casa Grande |
2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Pinal Air Park |
2014, 2015, 2016, 2017, 2018, 2019, 2020 | |
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Apache Junction |
No Continuous Data |
Filter - 2016, 2017, 2018, 2019, 2020 |
Casa Grande |
Continuous - 2016, 2017, 2018, 2019, 2020 |
Filter - 2016, 2017, 2018, 2019, 2020 |
Hidden Valley |
Continuous - 2016, 2017, 2018, 2019, 2020 |
Filter - 2016, 2017 | |
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Apache Junction (Continuous) - 2015, 2016, 2017, 2018, 2019, 2020 |
Casa Grande (Continuous) - 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Combs (Continuous) - 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Coolidge (Filter) - 2015, 2016, 2017, 2018 |
Cowtown - Discontinued 12/31/15 (Continuous) - 2014, 2015 |
Eloy - Discontinued 12/31/2017 (Filter) - 2015, 2016, 2017 |
Eloy - Established 4/1/16 (Continuous) - 2016, 2017, 2018, 2019, 2020 |
Hidden Valley - Established 1/1/16 (Continuous) - 2016, 2017, 2018, 2019, 2020 |
Maricopa (Continuous) - 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Pinal Air Park (Continuous) - 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Pinal County Housing (Continuous) - 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Stanfield (Continuous) - 2014, 2015, 2016, 2017, 2018, 2019, 2020 | |
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