Air Quality Monitor

This page displays current air quality data for the Miami Town Site monitor, which is operated by the Arizona Department of Environmental Quality. All data are preliminary.

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Current Air Quality: Miami Town Site

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.

SO2

2.3 ppb

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
SO2
1/26/2023
10
1/27/2023
7
1/28/2023
2
1/29/2023
2
1/30/2023
11
1/31/2023
11
2/1/2023
13

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.
SO2
Daily High For February 2
65.0
2/2/2014
Daily Low For February 2
1.1
2/2/2016
Monthly High For February
267.0
2/16/2014
Monthly Low For February
0.0
2/18/2019
All-Time High
324.0
8/23/2015
All-Time Low
-2.2
3/28/2017

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 >