AQD | Yuma Forecast
Updated On: 4/18/2024 - 8:30 AM
Click on each day to view forecast.
Thursday Forecast:
Ozone
48 AQI
Max 8-hr Avg: 52 ppb
Max 8-hr Avg: 52 ppb
PM10
34 AQI
24-hr Avg: 37 µg/m3
24-hr Avg: 37 µg/m3
PM2.5
29 AQI
24-hr Avg: 7.0 µg/m3
24-hr Avg: 7.0 µg/m3
Friday Forecast:
Ozone
54 AQI
Max 8-hr Avg: 56 ppb
Max 8-hr Avg: 56 ppb
PM10
33 AQI
24-hr Avg: 36 µg/m3
24-hr Avg: 36 µg/m3
PM2.5
27 AQI
24-hr Avg: 6.5 µg/m3
24-hr Avg: 6.5 µg/m3
Saturday Forecast:
Ozone
58 AQI
Max 8-hr Avg: 57 ppb
Max 8-hr Avg: 57 ppb
PM10
32 AQI
24-hr Avg: 35 µg/m3
24-hr Avg: 35 µg/m3
PM2.5
26 AQI
24-hr Avg: 6.2 µg/m3
24-hr Avg: 6.2 µg/m3
Sunday Forecast:
Ozone
51 AQI
Max 8-hr Avg: 55 ppb
Max 8-hr Avg: 55 ppb
PM10
31 AQI
24-hr Avg: 34 µg/m3
24-hr Avg: 34 µg/m3
PM2.5
25 AQI
24-hr Avg: 6.1 µg/m3
24-hr Avg: 6.1 µg/m3
Monday Forecast:
Ozone
48 AQI
Max 8-hr Avg: 52 ppb
Max 8-hr Avg: 52 ppb
PM10
34 AQI
24-hr Avg: 37 µg/m3
24-hr Avg: 37 µg/m3
PM2.5
28 AQI
24-hr Avg: 6.7 µg/m3
24-hr Avg: 6.7 µg/m3
Air Quality By Pollutant:
Pollutant
Thursday
4/18/2024
4/18/2024
Friday
4/19/2024
4/19/2024
Saturday
4/20/2024
4/20/2024
Sunday
4/21/2024
4/21/2024
Monday
4/22/2024
4/22/2024
O3
48
54
58
51
48
PM10
34
33
32
31
34
PM2.5
29
27
26
25
28
Pollutant
THU
FRI
SAT
SUN
MON
O3
48
54
58
51
48
PM10
34
33
32
31
34
PM2.5
29
27
26
25
28
O3 = Ozone, PM10 = Particles ≤ 10 microns, PM2.5 = Particles ≤ 2.5 microns
Forecast Discussion:
Ozone levels did end up increasing into the Moderate category yesterday, while PM10 and PM2.5 stayed in the Good range. Elsewhere in Arizona, we did have our first ozone exceedances of the year, with monitors in Cochise, Gila, and Pima counties exceeding the federal health standard yesterday.
Shifting back to Yuma, we are expecting ozone levels to drop back into the Good category today due to more southerly winds. Southerly winds typically help to cut-off influence California, which is a main driver of ozone levels in Yuma. For Friday through Sunday, we are forecasting ozone to increase a little into the low Moderate category. Then on Monday, more persistent southerly winds will return, bringing ozone back down into the Good range.
As for PM10 and PM2.5, we don't expect any winds strong enough to cause significant dust issues. Therefore, particulate levels are forecast to stay in the Good category throughout the forecast period.
- R. Nicoll
ADEQ Meteorologist
Shifting back to Yuma, we are expecting ozone levels to drop back into the Good category today due to more southerly winds. Southerly winds typically help to cut-off influence California, which is a main driver of ozone levels in Yuma. For Friday through Sunday, we are forecasting ozone to increase a little into the low Moderate category. Then on Monday, more persistent southerly winds will return, bringing ozone back down into the Good range.
As for PM10 and PM2.5, we don't expect any winds strong enough to cause significant dust issues. Therefore, particulate levels are forecast to stay in the Good category throughout the forecast period.
- R. Nicoll
ADEQ Meteorologist
What Flag Should I Fly?
Thursday: Green
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Friday: Yellow
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