AQ Exceedance

This report displays the number of days a monitor exceeded the federal health standard for the given year. Click the monitor to view the dates of each exceedance and the associated concentration.

Previous Day

  2020  


Maricopa County
Monitor
Ozone
PM10
PM2.5
Date
ppb
4/28/2020
74
4/29/2020
74
5/5/2020
72
5/6/2020
82
5/7/2020
81
5/8/2020
74
5/21/2020
71
5/26/2020
71
5/28/2020
73
6/1/2020
71
6/4/2020
71
6/11/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/5/2020
72
5/6/2020
77
5/7/2020
79
5/21/2020
71
5/26/2020
71
5/29/2020
71
6/4/2020
75
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/5/2020
71
5/7/2020
72
5/29/2020
73
6/4/2020
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
1/1/2020
76.3
Date
ppb
4/29/2020
73
5/5/2020
71
5/6/2020
75
5/7/2020
77
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/28/2020
78
4/29/2020
80
4/30/2020
71
5/4/2020
76
5/5/2020
83
5/6/2020
84
5/7/2020
78
5/8/2020
73
5/28/2020
71
5/29/2020
75
6/1/2020
75
6/3/2020
75
6/4/2020
72
6/11/2020
72
6/24/2020
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/29/2020
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/29/2020
76
Date
µg/m3
-
Date
µg/m3
1/1/2020
64.9
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/6/2020
77
5/7/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/28/2020
72
4/29/2020
74
5/4/2020
72
5/5/2020
78
5/6/2020
80
5/7/2020
79
5/8/2020
71
5/28/2020
71
5/29/2020
77
6/1/2020
72
6/3/2020
71
6/4/2020
73
6/11/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/29/2020
74
5/4/2020
74
5/5/2020
76
5/6/2020
79
5/7/2020
77
5/29/2020
72
6/1/2020
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/29/2020
72
5/5/2020
72
5/6/2020
76
5/7/2020
78
5/29/2020
82
6/4/2020
79
Date
µg/m3
-
Date
µg/m3
1/1/2020
51.4
Date
ppb
4/28/2020
72
4/29/2020
73
5/4/2020
71
5/5/2020
78
5/6/2020
80
5/7/2020
78
5/29/2020
77
6/4/2020
74
6/11/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/29/2020
73
Date
µg/m3
-
Date
µg/m3
1/1/2020
77.4
2/1/2020
39.2
Date
ppb
5/6/2020
74
5/7/2020
78
5/29/2020
72
6/4/2020
71
6/11/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/28/2020
72
4/29/2020
73
5/5/2020
73
5/6/2020
80
5/7/2020
79
5/8/2020
71
5/29/2020
76
6/4/2020
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/6/2020
78
5/7/2020
75
5/29/2020
74
6/4/2020
75
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
1/1/2020
64.7
Date
ppb
4/29/2020
73
5/4/2020
71
5/5/2020
78
5/6/2020
79
5/7/2020
78
5/29/2020
78
6/4/2020
73
6/11/2020
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/7/2020
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/29/2020
74
5/4/2020
72
5/5/2020
74
5/6/2020
77
5/7/2020
75
5/29/2020
74
6/1/2020
74
6/4/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/7/2020
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/6/2020
71
5/7/2020
73
5/29/2020
76
Date
µg/m3
1/1/2020
159
Date
µg/m3
1/1/2020
149.1
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-

Pima County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/5/2020
72
6/11/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
6/29/2020
156
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/5/2020
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/5/2020
71
Date
µg/m3
-
Date
µg/m3
-

Pinal County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
4/28/2020
71
5/5/2020
73
5/6/2020
75
5/7/2020
78
5/8/2020
71
5/28/2020
71
6/1/2020
72
6/3/2020
71
6/11/2020
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/7/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
5/6/2020
208
5/26/2020
176
5/30/2020
186
6/3/2020
177
6/10/2020
213
6/13/2020
159
6/25/2020
176
6/26/2020
199
7/2/2020
200
Date
µg/m3
5/6/2020
37.4
6/26/2020
41
7/2/2020
48
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/4/2020
74
5/6/2020
75
5/7/2020
80
5/28/2020
72
6/11/2020
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-

Coconino
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-

Cochise County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-

Gila County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/6/2020
77
5/7/2020
81
6/1/2020
72
Date
µg/m3
-
Date
µg/m3
-

La Paz County
Monitor
Ozone
PM10
PM2.5
Date
ppb
5/7/2020
71
Date
µg/m3
-
Date
µg/m3
-

Mohave County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-

Navajo County
Monitor
Ozone
PM10
PM2.5
Date
ppb
6/17/2020
81
Date
µg/m3
-
Date
µg/m3
-

Santa Cruz County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
1/1/2020
83.2
1/5/2020
37

Yavapai County
Monitor
Ozone
PM10
PM2.5
Date
ppb
5/7/2020
76
Date
µg/m3
-
Date
µg/m3
-

Yuma County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-