Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.69 µg/m³
- PM10:
4.69 µg/m³
- O3:
0.027 ppm
- NO2:
1.9 ppb
- SO2:
0.2 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.83 µg/m³
- PM10:
5.27 µg/m³
- O3:
0.048 ppm
- NO2:
0.6 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.1 µg/m³
- PM10:
5.5 µg/m³
- O3:
0.052 ppm
- NO2:
0.3 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.39 µg/m³
- PM10:
5.8 µg/m³
- O3:
0.053 ppm
- NO2:
0.3 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.69 µg/m³
- PM10:
6.07 µg/m³
- O3:
0.055 ppm
- NO2:
0.3 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.78 µg/m³
- PM10:
6.06 µg/m³
- O3:
0.055 ppm
- NO2:
0.3 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.81 µg/m³
- PM10:
6.01 µg/m³
- O3:
0.055 ppm
- NO2:
0.3 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.89 µg/m³
- PM10:
6.08 µg/m³
- O3:
0.056 ppm
- NO2:
0.4 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.04 µg/m³
- PM10:
6.29 µg/m³
- O3:
0.056 ppm
- NO2:
0.5 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.26 µg/m³
- PM10:
6.59 µg/m³
- O3:
0.056 ppm
- NO2:
0.6 ppb
- SO2:
0.2 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.6 µg/m³
- PM10:
7.07 µg/m³
- O3:
0.056 ppm
- NO2:
0.8 ppb
- SO2:
0.3 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
6.11 µg/m³
- PM10:
7.77 µg/m³
- O3:
0.055 ppm
- NO2:
0.9 ppb
- SO2:
0.3 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
6.69 µg/m³
- PM10:
8.54 µg/m³
- O3:
0.055 ppm
- NO2:
0.9 ppb
- SO2:
0.4 ppb
- CO:
0.12 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.2 µg/m³
- PM10:
9.22 µg/m³
- O3:
0.055 ppm
- NO2:
1 ppb
- SO2:
0.5 ppb
- CO:
0.12 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Weather Alerts and Warnings for DeSoto
Air Quality Alert
Air Quality Alert issued September 17 at 4:08PM CDT by NWS Fort Worth TX
Sep 17, 4:08 PM
→ Sep 18, 7:15 PM
AQAFWD
The Texas Commission on Environmental Quality (TCEQ) has issued
an Ozone Action Day for the Dallas-Fort Worth area for Friday,
September 18, 2026.
Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Dallas-Fort Worth area
on Friday. You can help prevent ozone pollution by sharing a
ride, walking, riding a bicycle, taking your lunch to work,
avoiding drive-through lanes, conserving energy, and keeping your
vehicle properly tuned.
For more information on ozone:
Ozone: The Facts (www.tceq.texas.gov/goto/ozonefacts)
Air North Texas: (www.airnorthtexas.org)
EPA Air Now
(www.airnow.gov/index.cfm?action.local_state&STATEID=45&TAB=0)
Take care of Texas (www.takecareoftexas.org)
North Central Texas Council of Governments Air Quality
(www.nctcog.org/trans/air/index.asp)
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