Updated On: 8/21/2026 - 9:37 AM
Click on each day to view forecast.
Friday Forecast:
Ozone
50 AQI
Max 8-hr Avg: 54 ppb
Max 8-hr Avg: 54 ppb
PM10
32 AQI
24-hr Avg: 35 µg/m3
24-hr Avg: 35 µg/m3
PM2.5
31 AQI
24-hr Avg: 5.6 µg/m3
24-hr Avg: 5.6 µg/m3
Saturday Forecast:
Ozone
71 AQI
Max 8-hr Avg: 61 ppb
Max 8-hr Avg: 61 ppb
PM10
35 AQI
24-hr Avg: 38 µg/m3
24-hr Avg: 38 µg/m3
PM2.5
36 AQI
24-hr Avg: 6.4 µg/m3
24-hr Avg: 6.4 µg/m3
Sunday Forecast:
Ozone
40 AQI
Max 8-hr Avg: 43 ppb
Max 8-hr Avg: 43 ppb
PM10
36 AQI
24-hr Avg: 39 µg/m3
24-hr Avg: 39 µg/m3
PM2.5
41 AQI
24-hr Avg: 7.4 µg/m3
24-hr Avg: 7.4 µg/m3
Monday Forecast:
Ozone
41 AQI
Max 8-hr Avg: 44 ppb
Max 8-hr Avg: 44 ppb
PM10
35 AQI
24-hr Avg: 38 µg/m3
24-hr Avg: 38 µg/m3
PM2.5
33 AQI
24-hr Avg: 5.9 µg/m3
24-hr Avg: 5.9 µg/m3
Tuesday Forecast:
Ozone
49 AQI
Max 8-hr Avg: 53 ppb
Max 8-hr Avg: 53 ppb
PM10
30 AQI
24-hr Avg: 32 µg/m3
24-hr Avg: 32 µg/m3
PM2.5
32 AQI
24-hr Avg: 5.8 µg/m3
24-hr Avg: 5.8 µg/m3
Air Quality By Pollutant:
Pollutant
Friday
8/21/2026
8/21/2026
Saturday
8/22/2026
8/22/2026
Sunday
8/23/2026
8/23/2026
Monday
8/24/2026
8/24/2026
Tuesday
8/25/2026
8/25/2026
O3
50
71
40
41
49
PM10
32
35
36
35
30
PM2.5
31
36
41
33
32
Pollutant
FRI
SAT
SUN
MON
TUE
O3
50
71
40
41
49
PM10
32
35
36
35
30
PM2.5
31
36
41
33
32
O3 = Ozone, PM10 = Particles ≤ 10 microns, PM2.5 = Particles ≤ 2.5 microns
Forecast Discussion:
Strong high pressure will remain in place for at least a week and thus the Extreme Heat Warning (issued by the National Weather Service) has been extended through Friday of next week. Storm chances will remain confined to areas well east and north of Yuma.
Peak 8 hour average Ozone each day is expected to remain in the Good range due to favorable wind patterns. The exception is expected to be Saturday with values climbing into the Moderate range.
With a lack of strong winds but good ventilation, 24 hour average Particulate levels are expected to be remain in the Good category.
Peak ventilation Saturday and Sunday is expected to be Excellent before decreasing to Good on Monday.
- A. Jamison
ADEQ Meteorologist
Peak 8 hour average Ozone each day is expected to remain in the Good range due to favorable wind patterns. The exception is expected to be Saturday with values climbing into the Moderate range.
With a lack of strong winds but good ventilation, 24 hour average Particulate levels are expected to be remain in the Good category.
Peak ventilation Saturday and Sunday is expected to be Excellent before decreasing to Good on Monday.
- A. Jamison
ADEQ Meteorologist
What Flag Should I Fly?
Friday: Green
|
Saturday: Yellow
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