Air Quality Monitor

This page displays current air quality data for the Stanfield monitor, which is operated by the Pinal County Air Quality Control District. All data are preliminary.

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Current Air Quality: Stanfield

Current concentrations for each available pollutant, along with a graph displaying hourly data over the past 48-hours. The colors are using the AQI color scheme to highlight periods of good or poor air quality. Values are updated hourly at 30 minutes past the hour.

PM10

19 µg/m3

Past 48-Hours



Past Seven Days

Concentration values for the past seven days for each available pollutant. While the table displays concentrations, the color corresponds to the Air Quality Index (AQI).
Date
PM10
3/24/2023
18
3/25/2023
24
3/26/2023
25
3/27/2023
33
3/28/2023
34
3/29/2023
31
3/30/2023
24

Station History

The table displays the current day, month, and all-time high and low concentrations for each pollutant, along with the day on which the value occurred. If a tie occurs, the date displayed will be the most recent occurrence.
PM10
Daily High For March 31
132
3/31/2017
Daily Low For March 31
21
3/31/2022
Monthly High For March
225
3/3/2021
Monthly Low For March
4
3/12/2019
All-Time High
1100
4/12/2018
All-Time Low
3
12/27/2019

Exceedances This Year

A list of the number of exceedances since the start of the year for each available pollutant. Expand the pollutant to view the date and concentration of each exceedance.
No exceedance days.
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Historical Data

Access historical data from the monitor. Historical Data >