Air Quality Monitor

Updated On: 3/31/2023 - 9:31 AM
This page displays current air quality data for the Dysart monitor, which is operated by the Maricopa County Air Quality Department. All data are preliminary.

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Current Air Quality: Dysart Updated: 3/31/2023 - 9:31 AM

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.

Ozone

35 ppb

Past 48-Hours

PM10

12 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
Ozone
(ppb)
Max 8-Hour Avg
PM10
(µg/m3)
24-Hour Avg
3/24/2023
47
19
3/25/2023
52
23
3/26/2023
52
14
3/27/2023
52
15
3/28/2023
56
25
3/29/2023
54
23
3/30/2023
51
18

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.
Ozone
(ppb)
Max 8-Hour Avg
PM10
(µg/m3)
24-Hour Avg
Daily High For March 31
60
3/31/2021
57
3/31/2017
Daily Low For March 31
15
3/31/2007
15
3/31/2011
Monthly High For March
65
3/25/2019
90
3/26/2014
Monthly Low For March
15
3/31/2007
3
3/12/2019
All-Time High
93
6/15/2021
273
8/25/2011
All-Time Low
7
10/8/2003
3
2/11/2020
*Negative values can occur when concentrations are below the detectable limits of the instrument.
Period of Record By Pollutant:
Ozone - 7/20/2003
PM10 - 9/26/2009
Note: Gaps may exist in the period of record and is only for continous monitor data (not filter).

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.
No exceedance days.
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Historical Data

Access historical data from the monitor. Historical Data >