Air Quality Year-to-Date Report

Updated On: March 20, 2023 9:48 AM
This report displays the daily PM10 Air Quality Index (AQI) for 2023. Each daily value represents the highest monitor for Ajo. The graph below displays the daily values (blue), the 15-year average (black), and the current EPA standard (orange). All data are preliminary.
Good Days
Moderate Days
Exceedance days
Number of Days
74
1
0

Daily Maximum PM10 Air Quality Index (AQI) [Switch to concentration]

Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
19
5
17
2
9
6
16
3
9
8
7
4
6
11
6
5
6
6
6
6
6
13
12
7
6
7
13
8
6
11
14
9
14
15
14
10
16
16
6
11
10
14
6
12
11
7
8
13
17
3
7
14
10
18
17
15
9
21
6
16
5
6
11
17
14
9
7
18
7
13
10
19
7
9
11
20
3
6
21
3
4
22
4
64
23
13
23
24
12
25
13
26
8
27
6
9
28
8
6
29
16
30
6
31
0