Tucson Forecast
Air Quality Hourly Forecast | Tucson
Updated On: 5/14/2021 - 9:09 AM
Click on each day to view forecast.
Friday Forecast:
Ozone
51 AQI
Max 8-hr Avg: 55 ppb
Max 8-hr Avg: 55 ppb
PM10
44 AQI
24-hr Avg: 47 µg/m3
24-hr Avg: 47 µg/m3
PM2.5
34 AQI
24-hr Avg: 8.2 µg/m3
24-hr Avg: 8.2 µg/m3
Saturday Forecast:
Ozone
44 AQI
Max 8-hr Avg: 47 ppb
Max 8-hr Avg: 47 ppb
PM10
45 AQI
24-hr Avg: 49 µg/m3
24-hr Avg: 49 µg/m3
PM2.5
27 AQI
24-hr Avg: 6.4 µg/m3
24-hr Avg: 6.4 µg/m3
Sunday Forecast:
Ozone
43 AQI
Max 8-hr Avg: 46 ppb
Max 8-hr Avg: 46 ppb
PM10
44 AQI
24-hr Avg: 48 µg/m3
24-hr Avg: 48 µg/m3
PM2.5
31 AQI
24-hr Avg: 7.5 µg/m3
24-hr Avg: 7.5 µg/m3
Monday Forecast:
Ozone
45 AQI
Max 8-hr Avg: 49 ppb
Max 8-hr Avg: 49 ppb
PM10
38 AQI
24-hr Avg: 41 µg/m3
24-hr Avg: 41 µg/m3
PM2.5
34 AQI
24-hr Avg: 8.2 µg/m3
24-hr Avg: 8.2 µg/m3
Tuesday Forecast:
Ozone
51 AQI
Max 8-hr Avg: 55 ppb
Max 8-hr Avg: 55 ppb
PM10
33 AQI
24-hr Avg: 36 µg/m3
24-hr Avg: 36 µg/m3
PM2.5
35 AQI
24-hr Avg: 8.5 µg/m3
24-hr Avg: 8.5 µg/m3
Air Quality By Pollutant:
Pollutant
Friday
5/14/2021
5/14/2021
Saturday
5/15/2021
5/15/2021
Sunday
5/16/2021
5/16/2021
Monday
5/17/2021
5/17/2021
Tuesday
5/18/2021
5/18/2021
O3
51
44
43
45
51
PM10
44
45
44
38
33
PM2.5
34
27
31
34
35
Pollutant
FRI
SAT
SUN
MON
TUE
O3
51
44
43
45
51
PM10
44
45
44
38
33
PM2.5
34
27
31
34
35
Forecast Discussion:
Yesterday (Thursday), ozone reached the Moderate Air Quality Index (AQI) category at multiple monitors in the Tucson area. AQI values were a little higher than the previous day, maxing out at 77.This morning and into the afternoon (Friday), ozone levels are expected to increase similar to what they did yesterday. However, the main difference will be breezy winds out of the south-southwest forecast to arrive shortly after noon. These winds are expected to help limit ozone levels to the low end of the Moderate AQI category at most.
But the main story of this air quality forecast will be daily breezy winds--today through at least Monday. We can thank a low pressure wave that will slowly approach Arizona from the west and move over the state during that time period. Because of these winds, pockets of blowing dust will be possible each day, particularly today through Sunday. Hourly forecast PM10 (dust) levels have been increased to reflect this. Furthermore, ozone levels are expected to improve to the Good AQI category.
No issues with PM2.5 (smoke) are anticipated at this time.
- M. Graves
ADEQ Meteorologist
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