Air Quality Monitor

Updated On: 3/31/2023 - 7:32 AM
This page displays current air quality data for the LEHI monitor, which is operated by the Salt River Pima-Maricopa Indian Community. All data are preliminary.

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Current Air Quality: LEHI Updated: 3/31/2023 - 7:32 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

33 ppb

Past 48-Hours

PM10

14 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
53
18
3/25/2023
57
22
3/26/2023
56
18
3/27/2023
56
13
3/28/2023
56
17
3/29/2023
58
20
3/30/2023
54
22

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
58
3/31/2021
33
3/31/2021
Daily Low For March 31
17
3/31/2012
18
3/31/2022
Monthly High For March
60
3/21/2016
84
3/3/2021
Monthly Low For March
17
3/31/2012
3
3/11/2020
All-Time High
90
8/19/2020
217
10/3/2022
All-Time Low
12
1/9/2017
3
12/4/2022
*Negative values can occur when concentrations are below the detectable limits of the instrument.
Period of Record By Pollutant:
Ozone - 5/31/2005
PM10 - 4/1/2018
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 >