Tucson Forecast

Image of Downtown Tucson

Air Quality Hourly Forecast | Tucson

Click on each day to view forecast.

Friday Forecast:


Ozone

35 AQI
Max 8-hr Avg: 38 ppb

PM10

11 AQI
24-hr Avg: 12 µg/m3

Saturday Forecast:


Ozone

39 AQI
Max 8-hr Avg: 42 ppb

PM10

14 AQI
24-hr Avg: 15 µg/m3

Sunday Forecast:


Ozone

40 AQI
Max 8-hr Avg: 43 ppb

PM10

14 AQI
24-hr Avg: 15 µg/m3

Monday Forecast:


Ozone

37 AQI
Max 8-hr Avg: 40 ppb

PM10

11 AQI
24-hr Avg: 12 µg/m3

Tuesday Forecast:


Ozone

36 AQI
Max 8-hr Avg: 39 ppb

PM10

14 AQI
24-hr Avg: 15 µg/m3


Air Quality By Pollutant:

Pollutant
Friday
2/15/2019
Saturday
2/16/2019
Sunday
2/17/2019
Monday
2/18/2019
Tuesday
2/19/2019
O3
35
39
40
37
36
PM10
11
14
14
11
14
Pollutant
FRI
SAT
SUN
MON
TUE
O3
35
39
40
37
36
PM10
11
14
14
11
14
O3 = Ozone, PM10 = Particles ≤ 10 microns

Forecast Discussion:

Tucson received a decent amount of rain with this past storm system. Officially, Tucson International Airport measured 0.16 inches of rain; however, other locations in the city recorded much higher totals. In fact, gauges in the Catalina Foothills measured 0.75 inches to over 1.25 inches!

For today, the storm system is moving eastward so for the rest of the morning only anticipating a slight chance of some light rain. With that said, moisture will continue streaming overhead so expecting plenty of clouds.

Tomorrow into Sunday afternoon, expect beautiful weather with mostly sunny skies and well below average high temperatures in the upper 50s. By Sunday evening into Monday, another storm system will sweep into the state. This storm system will renew rain chances across the region and usher in much colder air.

The best chance of rain right now looks to be late Sunday night through Monday afternoon. Rainfall totals are forecast to be in the 0.10-0.25 inch range so much less compared to last storm. The big story will be very cold temperatures, with high temperatures on Monday and Tuesday in the low 50s with low temperatures on Tuesday and Wednesday morning at/below freezing.

With an active weather pattern continuing, forecasting both PM-10 and ozone to remain in the Good AQI through the forecast period.

Have a great weekend!

- M. Pace
ADEQ Meteorologist


What Flag Should I Fly?

Sunday: Green
Monday: Green

What is the Flag Program and how can my school/organization join? | Learn More >