Air Quality Monitor

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

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Current Air Quality: Eastwood 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.

PM2.5

6.5 µg/m3

Past 48-Hours

CO

0.4 ppm

Past 48-Hours

NO2

15 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
PM2.5
(µg/m3)
24-Hour Avg
CO
(ppm)
Max 8-Hour Avg
NO2
(ppb)
Max 1-Hour
3/24/2023
4.8
0.2
35
3/25/2023
8.0
0.3
30
3/26/2023
5.3
0.3
22
3/27/2023
6.6
0.4
3/28/2023
6.9
0.5
37
3/29/2023
6.6
0.4
32
3/30/2023
3.1
0.3
14

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.
PM2.5
(µg/m3)
24-Hour Avg
CO
(ppm)
Max 8-Hour Avg
NO2
(ppb)
Max 1-Hour
Daily High For March 31
7.7
3/31/2021
0.6
3/31/2021
50
3/31/2021
Daily Low For March 31
6.9
3/31/2022
0.5
3/31/2022
36
3/31/2022
Monthly High For March
11.3
3/4/2023
0.9
3/27/2022
64
3/1/2022
Monthly Low For March
1.5
3/13/2021
0.1
3/5/2023
11
3/1/2023
All-Time High
32.4
1/1/2023
1.3
12/24/2022
64
3/1/2022
All-Time Low
1.5
3/13/2021
0.0
8/21/2022
5
2/22/2023
*Negative values can occur when concentrations are below the detectable limits of the instrument.
Period of Record By Pollutant:
PM2.5 - 3/5/2021
CO - 3/5/2021
NO2 - 3/5/2021
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.
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Historical Data

Access historical data from the monitor. Historical Data >