Air Quality Monitor

Updated On: 3/31/2023 - 7:31 AM
This page displays current air quality data for the Yuma Supersite monitor, which is operated by the Arizona Department of Environmental Quality. All data are preliminary.

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Current Air Quality: Yuma Supersite Updated: 3/31/2023 - 7:31 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

4 ppb

Past 48-Hours

PM10

48 µg/m3

Past 48-Hours

PM2.5

9 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
PM2.5
(µg/m3)
24-Hour Avg
3/24/2023
49
18
4.6
3/25/2023
54
29
7.1
3/26/2023
54
16
4.6
3/27/2023
50
40
3.2
3/28/2023
54
26
3.8
3/29/2023
50
72
9.7
3/30/2023
49
53
10.4

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
PM2.5
(µg/m3)
24-Hour Avg
Daily High For March 31
61
3/31/2014
85
3/31/2017
16.4
3/31/2017
Daily Low For March 31
10
3/31/2011
19
3/31/2011
3.4
3/31/2019
Monthly High For March
67
3/20/2016
222
3/29/2016
46.7
3/28/2022
Monthly Low For March
10
3/31/2011
6
3/11/2020
-0.5*
3/26/2015
All-Time High
92
6/6/2014
640
4/8/2013
88.1
5/2/2016
All-Time Low
1
12/18/2018
3
11/22/2013
-4.1*
9/7/2014
*Negative values can occur when concentrations are below the detectable limits of the instrument.
Period of Record By Pollutant:
Ozone - 5/7/2008
PM10 - 1/1/2010
PM2.5 - 7/3/2013
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.
Date
Concentration (µg/m3)
2/22/2023
315
Date
Concentration (µg/m3)
2/22/2023
36
View past years >

Historical Data

Access historical data from the monitor. Historical Data >