Phoenix Forecast
Air Quality Hourly Forecast | Phoenix
Updated On: 12/12/2019 - 8:35 AM
Click on each day to view forecast.
Thursday Forecast:
Ozone
38 AQI
Max 8-hr Avg: 41 ppb
Max 8-hr Avg: 41 ppb
PM10
39 AQI
24-hr Avg: 42 µg/m3
24-hr Avg: 42 µg/m3
PM2.5
53 AQI
24-hr Avg: 13.1 µg/m3
24-hr Avg: 13.1 µg/m3
Friday Forecast:
Ozone
38 AQI
Max 8-hr Avg: 41 ppb
Max 8-hr Avg: 41 ppb
PM10
46 AQI
24-hr Avg: 50 µg/m3
24-hr Avg: 50 µg/m3
PM2.5
58 AQI
24-hr Avg: 15.2 µg/m3
24-hr Avg: 15.2 µg/m3
Saturday Forecast:
Ozone
36 AQI
Max 8-hr Avg: 39 ppb
Max 8-hr Avg: 39 ppb
PM10
41 AQI
24-hr Avg: 44 µg/m3
24-hr Avg: 44 µg/m3
PM2.5
59 AQI
24-hr Avg: 15.8 µg/m3
24-hr Avg: 15.8 µg/m3
Sunday Forecast:
Ozone
35 AQI
Max 8-hr Avg: 38 ppb
Max 8-hr Avg: 38 ppb
PM10
34 AQI
24-hr Avg: 37 µg/m3
24-hr Avg: 37 µg/m3
PM2.5
46 AQI
24-hr Avg: 11.0 µg/m3
24-hr Avg: 11.0 µg/m3
Monday Forecast:
Ozone
38 AQI
Max 8-hr Avg: 41 ppb
Max 8-hr Avg: 41 ppb
PM10
47 AQI
24-hr Avg: 51 µg/m3
24-hr Avg: 51 µg/m3
PM2.5
51 AQI
24-hr Avg: 12.2 µg/m3
24-hr Avg: 12.2 µg/m3
Air Quality By Pollutant:
Pollutant
Thursday
12/12/2019
12/12/2019
Friday
12/13/2019
12/13/2019
Saturday
12/14/2019
12/14/2019
Sunday
12/15/2019
12/15/2019
Monday
12/16/2019
12/16/2019
O3
38
38
36
35
38
PM10
39
46
41
34
47
PM2.5
53
58
59
46
51
Pollutant
THU
FRI
SAT
SUN
MON
O3
38
38
36
35
38
PM10
39
46
41
34
47
PM2.5
53
58
59
46
51
Forecast Discussion:
The major forecast update to pass along today is undercutting PM10 (dust) potential. We are certainly in a stagnant weather regime, but the buffer provided by recent and widespread rain on dust sources appears to be holding. That is good news for sure.Fine particulates (PM2.5) constitute the only pollutant likely to maintain lower Moderate AQIs. A typical source for PM2.5 is soot from wood burning. Monitors in central and southern Phoenix see the highest impacts as pollution emissions generated from all over the Valley drain down to lower elevations of the metropolitan during the morning and overnight hours.
As for the weekend, there is a low pressure wave coming. Its inland trajectory over the Great Basin territory, while also not having a decent subtropical moisture connection, likely leads to a dry storm passage this time around for the Phoenix area. A few degree cool down and afternoon breezes on Sunday afternoon are the highlights.
- J. Malloy
ADEQ Meteorologist
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