Yuma Forecast

Picture of a crop field up against a mountain in Yuma, AZ

Air Quality Hourly Forecast | Yuma

Click on each day to view forecast.

Friday Forecast:


Ozone

54 AQI
Max 8-hr Avg: 56 ppb

PM10

43 AQI
24-hr Avg: 46 µg/m3

PM2.5

30 AQI
24-hr Avg: 7.1 µg/m3

Saturday Forecast:


Ozone

51 AQI
Max 8-hr Avg: 55 ppb

PM10

29 AQI
24-hr Avg: 31 µg/m3

PM2.5

21 AQI
24-hr Avg: 5.1 µg/m3

Sunday Forecast:


Ozone

49 AQI
Max 8-hr Avg: 53 ppb

PM10

39 AQI
24-hr Avg: 42 µg/m3

PM2.5

28 AQI
24-hr Avg: 6.8 µg/m3

Monday Forecast:


Ozone

47 AQI
Max 8-hr Avg: 51 ppb

PM10

48 AQI
24-hr Avg: 52 µg/m3

PM2.5

36 AQI
24-hr Avg: 8.6 µg/m3

Tuesday Forecast:


Ozone

48 AQI
Max 8-hr Avg: 52 ppb

PM10

33 AQI
24-hr Avg: 36 µg/m3

PM2.5

25 AQI
24-hr Avg: 6.0 µg/m3

Air Quality By Pollutant:

Pollutant
Friday
5/26/2023
Saturday
5/27/2023
Sunday
5/28/2023
Monday
5/29/2023
Tuesday
5/30/2023
O3
54
51
49
47
48
PM10
43
29
39
48
33
PM2.5
30
21
28
36
25
Pollutant
FRI
SAT
SUN
MON
TUE
O3
54
51
49
47
48
PM10
43
29
39
48
33
PM2.5
30
21
28
36
25
O3 = Ozone, PM10 = Particles ≤ 10 microns, PM2.5 = Particles ≤ 2.5 microns

Forecast Discussion:

On this Friday morning water vapor satellite shows a ridge of high pressure over the center of the country, another area of high pressure off the West Coast, and finally, sandwiched between them, a trough of low pressure with an axis running from Southern California up through Idaho and into Canada. The trough will slowly move eastward as it weakens and lifts toward the northeast today through early Sunday. The main impact from this trough will be below-average highs today in the low 90s, with some west-northwest breezes from time to time.

As the trough moves away from the state, another area of low pressure will drop southward through California this weekend and into Arizona late Sunday through Tuesday. While this system won't bring any rain to the area, it will increase southerly winds Sunday through at least Tuesday and keep afternoon highs in the mid-90s, which is not bad for the end of May!

As for air quality, with the westerly breezes today and tomorrow, expecting some ozone transport from California, so ozone is forecast to be in the Moderate AQI category. With a southerly flow moving back into the picture, ozone is expected to drop back into the Good AQI category Sunday into the first part of next week. PM-10 may see some increases with the strongest winds, but we are forecasting the 24-hour average (midnight to midnight) to remain in the Good AQI category.

Have a great weekend!

- M. Pace
ADEQ Meteorologist


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