Air Quality Monitor

Updated On: 2/2/2023 - 5:31 PM
This page displays current air quality data for the Phoenix Supersite monitor, which is operated by the Arizona Department of Environmental Quality. All data are preliminary.

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Current Air Quality: Phoenix Supersite Updated: 2/2/2023 - 5:31 PM

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

39 ppb

Past 48-Hours

PM10

N/A

Past 48-Hours

PM2.5

N/A

Past 48-Hours

CO

0.2 ppm

Past 48-Hours

SO2

-0.1 ppb

Past 48-Hours

NO2

13.9 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
Ozone
(ppb)
Max 8-Hour Avg
PM10
(µg/m3)
24-Hour Avg
PM2.5
(µg/m3)
24-Hour Avg
CO
(ppm)
Max 8-Hour Avg
SO2
(ppb)
Max 1-Hour
NO2
(ppb)
Max 1-Hour

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
CO
(ppm)
Max 8-Hour Avg
SO2
(ppb)
Max 1-Hour
NO2
(ppb)
Max 1-Hour
Daily High For February 2
47
2/2/2022
51
2/2/2018
16.5
2/2/2013
4.1
2/2/1999
6.8
2/2/2018
103
2/2/1999
Daily Low For February 2
11
2/2/2002
12
2/2/2016
2.8
2/2/2011
0.2
2/2/2011
0.2
2/2/2011
9
2/2/2011
Monthly High For February
55
2/10/2022
88
2/18/2004
39.2
2/1/2020
6.9
2/5/2000
10.6
2/26/2018
120
2/8/1999
Monthly Low For February
2
2/15/2005
4
2/22/2019
-2.6*
2/15/2017
0.2
2/23/2022
0.0
2/1/2016
8
2/22/2016
All-Time High
100
6/15/2021
521
7/19/2007
131.9
1/1/2021
7.0
11/30/1999
28.0
6/30/2009
195
8/14/2001
All-Time Low
0
1/11/1999
1
6/16/2022
-3.0*
5/18/2017
0.1
1/3/2023
-0.2
11/16/2022
3
7/31/2016
*Negative values can occur when concentrations are below the detectable limits of the instrument.
Period of Record By Pollutant:
Ozone - 4/1/1996
PM10 - 1/1/2004
PM2.5 - 1/1/2011
CO - 1/1/1999
SO2 - 3/4/2005
NO2 - 1/1/1999
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.
No exceedance days.
No exceedance days.
No exceedance days.
No exceedance days.
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Historical Data

Access historical data from the monitor. Historical Data >