Air Quality Monitor
Updated On: 2/2/2023 - 6:32 PM
This page displays current air quality data for the Alamo Lake monitor, which is operated by the Arizona Department of Environmental Quality.
All data are preliminary. View all monitors >
Current Air Quality: Alamo Lake Updated: 2/2/2023 - 6:32 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
Past 48-Hours
PM10
Past 48-Hours
PM2.5
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
Max 8-Hour Avg
PM10
(µg/m3)
24-Hour Avg
24-Hour Avg
PM2.5
(µg/m3)
24-Hour Avg
24-Hour Avg
1/26/2023
45
3
1.2
1/27/2023
41
2
-0.2
1/28/2023
42
5
1.7
1/29/2023
47
6
1.2
1/30/2023
43
8
0.4
1/31/2023
41
11
1.6
2/1/2023
45
5
0.3
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
Max 8-Hour Avg
PM10
(µg/m3)
24-Hour Avg
24-Hour Avg
PM2.5
(µg/m3)
24-Hour Avg
24-Hour Avg
Daily High For February 2
47
2/2/2018
2/2/2018
22
2/2/2022
2/2/2022
5.5
2/2/2018
2/2/2018
Daily Low For February 2
29
2/2/2021
2/2/2021
3
2/2/2015
2/2/2015
-0.2*
2/2/2016
2/2/2016
Monthly High For February
55
2/28/2016
2/28/2016
90
2/15/2022
2/15/2022
11.9
2/21/2022
2/21/2022
Monthly Low For February
27
2/29/2012
2/29/2012
1
2/11/2014
2/11/2014
-3.2*
2/17/2016
2/17/2016
All-Time High
83
6/3/2008
6/3/2008
328
7/11/2021
7/11/2021
48.9
7/11/2021
7/11/2021
All-Time Low
21
11/3/2011
11/3/2011
0
1/25/2017
1/25/2017
-6.1*
8/1/2016
8/1/2016
*Negative values can occur when concentrations are below the detectable limits of the instrument.
Period of Record By Pollutant:
Ozone - 5/20/2005
PM10 - 1/1/2014
PM2.5 - 1/1/2014
Note: Gaps may exist in the period of record and is only for continous monitor data (not filter).
Period of Record By Pollutant:
Ozone - 5/20/2005
PM10 - 1/1/2014
PM2.5 - 1/1/2014
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.
View past years >