Air Quality Monitor

This page displays current air quality data for the Apache Junction FS monitor, which is operated by the Maricopa County Air Quality Department. All data are preliminary.

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Current Air Quality: Apache Junction FS

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

8 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
1/26/2023
7
1/27/2023
9
1/28/2023
10
1/29/2023
14
1/30/2023
12
1/31/2023
10
2/1/2023
14

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 February 2
31
2/2/2022
Daily Low For February 2
5
2/2/2015
Monthly High For February
53
2/15/2022
Monthly Low For February
2
2/24/2013
All-Time High
503
8/2/2018
All-Time Low
1
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 >