Tucson Forecast

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Air Quality Hourly Forecast | Tucson

Click on each day to view forecast.

Friday Forecast:


Ozone

40 AQI
Max 8-hr Avg: 43 ppb

PM10

46 AQI
24-hr Avg: 50 µg/m3

PM2.5

52 AQI
24-hr Avg: 12.6 µg/m3

Saturday Forecast:


Ozone

41 AQI
Max 8-hr Avg: 44 ppb

PM10

39 AQI
24-hr Avg: 42 µg/m3

PM2.5

57 AQI
24-hr Avg: 14.9 µg/m3

Sunday Forecast:


Ozone

40 AQI
Max 8-hr Avg: 43 ppb

PM10

38 AQI
24-hr Avg: 41 µg/m3

PM2.5

58 AQI
24-hr Avg: 15.2 µg/m3

Monday Forecast:


Ozone

39 AQI
Max 8-hr Avg: 42 ppb

PM10

44 AQI
24-hr Avg: 48 µg/m3

PM2.5

53 AQI
24-hr Avg: 13.0 µg/m3

Tuesday Forecast:


Ozone

38 AQI
Max 8-hr Avg: 41 ppb

PM10

48 AQI
24-hr Avg: 52 µg/m3

PM2.5

47 AQI
24-hr Avg: 11.2 µg/m3

Air Quality By Pollutant:

Pollutant
Friday
12/3/2021
Saturday
12/4/2021
Sunday
12/5/2021
Monday
12/6/2021
Tuesday
12/7/2021
O3
40
41
40
39
38
PM10
46
39
38
44
48
PM2.5
52
57
58
53
47
Pollutant
FRI
SAT
SUN
MON
TUE
O3
40
41
40
39
38
PM10
46
39
38
44
48
PM2.5
52
57
58
53
47
O3 = Ozone, PM10 = Particles ≤ 10 microns, PM2.5 = Particles ≤ 2.5 microns

Forecast Discussion:

Looks like we are going to see a break from 80 degree days in this current forecast period. Not only that, but a slight chance of rain has finally entered the 5-day forecast period! Tuesday, there could be a few showers across Arizona. Confidence is still not 100% there, but we'll have a better idea of accumulation totals/timing in upcoming discussions.

This gradual shift in our weather story is due to a couple of troughs making their way through the region. The system we are anticipating on Tuesday/Wednesday next week will be the stronger one with moisture and breezy winds associated with it. South-southwesterly winds between 15-25 mph are possible Tuesday into Wednesday. Again, we'll have a better idea as we get closer to the day.

In regards to air quality, PM2.5 (smoke) dropped down into the Good AQI category for the 24-hour concentration average yesterday. We are still keeping this particulate in the Moderate AQI range through Monday. With rain chances moving through on Tuesday, hopefully, we'll see a drop in PM2.5. PM10 and ozone are forecast to remain in the Good AQI range.

Have a great weekend!

- P. Swenson
ADEQ Meteorologist


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