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

  2019  


Maricopa County
Monitor
Ozone
PM10
PM2.5
Date
ppb
6/24/2019
74
7/24/2019
74
7/25/2019
78
7/26/2019
71
8/2/2019
72
8/29/2019
73
9/3/2019
72
9/6/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
8/1/2019
79
Date
µg/m3
7/22/2019
237
Date
µg/m3
-
Date
ppb
6/8/2019
73
6/24/2019
73
8/1/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/23/2019
76
7/24/2019
77
7/25/2019
72
8/1/2019
73
8/4/2019
75
8/12/2019
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
8/1/2019
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/3/2019
73
6/12/2019
75
6/24/2019
75
6/28/2019
71
7/15/2019
71
7/23/2019
76
7/24/2019
77
7/25/2019
79
7/26/2019
72
8/2/2019
71
8/8/2019
72
8/16/2019
71
9/3/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/8/2019
71
6/24/2019
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/24/2019
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/23/2019
74
8/1/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/30/2019
72
6/8/2019
78
6/23/2019
75
6/24/2019
81
6/25/2019
71
6/27/2019
71
8/1/2019
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/12/2019
75
6/24/2019
73
7/23/2019
73
7/24/2019
74
7/25/2019
78
7/26/2019
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/3/2019
71
6/9/2019
75
6/12/2019
74
6/24/2019
73
7/23/2019
78
7/24/2019
79
7/25/2019
84
8/4/2019
74
8/5/2019
76
8/8/2019
72
8/16/2019
73
9/2/2019
72
9/3/2019
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/3/2019
73
5/30/2019
71
6/8/2019
73
6/12/2019
74
6/24/2019
72
6/27/2019
71
6/28/2019
71
7/9/2019
71
7/23/2019
81
7/24/2019
74
7/31/2019
71
8/1/2019
73
8/4/2019
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/3/2019
71
6/12/2019
73
6/24/2019
71
7/23/2019
71
7/24/2019
72
7/25/2019
76
8/16/2019
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/23/2019
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/3/2019
72
5/4/2019
71
6/8/2019
80
6/12/2019
74
6/15/2019
71
6/24/2019
76
7/23/2019
73
7/24/2019
72
7/25/2019
75
7/30/2019
74
8/1/2019
74
8/2/2019
71
8/4/2019
71
8/5/2019
72
9/3/2019
73
9/4/2019
71
9/13/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
5/3/2019
71
6/8/2019
71
6/12/2019
74
6/24/2019
74
7/23/2019
74
7/24/2019
73
7/25/2019
76
8/29/2019
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/25/2019
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/9/2019
71
7/23/2019
74
7/24/2019
78
7/25/2019
73
8/1/2019
77
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/23/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
8/1/2019
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
4/9/2019
183
4/10/2019
236
7/11/2019
162
Date
µg/m3
-
Date
ppb
6/9/2019
72
7/23/2019
71
7/24/2019
82
7/25/2019
75
8/4/2019
73
8/5/2019
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/23/2019
78
8/1/2019
74
8/4/2019
74
Date
µg/m3
-
Date
µg/m3
-
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
7/25/2019
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
6/10/2019
160
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/25/2019
71
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-

Pinal County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/29/2019
72
7/23/2019
71
7/24/2019
75
7/25/2019
82
7/26/2019
74
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
4/10/2019
171
7/22/2019
204
9/14/2019
255
Date
µg/m3
-
Date
ppb
7/23/2019
71
7/24/2019
77
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
5/30/2019
208
6/12/2019
190
6/24/2019
178
6/28/2019
203
Date
µg/m3
6/25/2019
36.8
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/24/2019
72
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/9/2019
72
7/24/2019
76
7/25/2019
78
8/29/2019
72
9/3/2019
73
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
7/24/2019
76
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
4/10/2019
183
9/14/2019
187
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
4/9/2019
191
4/10/2019
246
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
-
Date
ppb
6/14/2019
74
6/23/2019
73
6/24/2019
75
6/25/2019
71
7/24/2019
77
7/25/2019
71
7/26/2019
73
8/2/2019
74
8/4/2019
76
8/14/2019
74
8/15/2019
75
8/21/2019
74
8/23/2019
74
9/6/2019
75
Date
µg/m3
-
Date
µg/m3
-

La Paz County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
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
6/20/2019
74
Date
µg/m3
-
Date
µg/m3
-

Santa Cruz County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
-
Date
µg/m3
1/4/2019
43.4

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

Yuma County
Monitor
Ozone
PM10
PM2.5
Date
ppb
-
Date
µg/m3
4/9/2019
171
5/21/2019
174
10/10/2019
211
Date
µg/m3
-