Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
5.81 µg/m³
- PM10:
6.73 µg/m³
- O3:
0.020 ppm
- NO2:
2.8 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:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
5.84 µg/m³
- PM10:
6.82 µg/m³
- O3:
0.018 ppm
- NO2:
2.9 ppb
- SO2:
0.1 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:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
5.97 µg/m³
- PM10:
7.11 µg/m³
- O3:
0.016 ppm
- NO2:
3.7 ppb
- SO2:
0.1 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:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.05 µg/m³
- PM10:
7.42 µg/m³
- O3:
0.012 ppm
- NO2:
5.2 ppb
- SO2:
0.1 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.07 µg/m³
- PM10:
7.6 µg/m³
- O3:
0.011 ppm
- NO2:
5.2 ppb
- SO2:
0.1 ppb
- CO:
0.17 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.06 µg/m³
- PM10:
7.68 µg/m³
- O3:
0.012 ppm
- NO2:
3.8 ppb
- SO2:
0.1 ppb
- CO:
0.18 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:
5.7 µg/m³
- PM10:
7.13 µg/m³
- O3:
0.034 ppm
- NO2:
2.2 ppb
- SO2:
0.5 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:
6.15 µg/m³
- PM10:
7.55 µg/m³
- O3:
0.041 ppm
- NO2:
1.6 ppb
- SO2:
0.6 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:
7.07 µg/m³
- PM10:
8.47 µg/m³
- O3:
0.047 ppm
- NO2:
1.2 ppb
- SO2:
0.7 ppb
- CO:
0.13 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:
7.04 µg/m³
- PM10:
8.1 µg/m³
- O3:
0.059 ppm
- NO2:
0.6 ppb
- SO2:
0.8 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:
6.64 µg/m³
- PM10:
7.53 µg/m³
- O3:
0.061 ppm
- NO2:
0.5 ppb
- SO2:
0.7 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:
6.57 µg/m³
- PM10:
7.43 µg/m³
- O3:
0.062 ppm
- NO2:
0.5 ppb
- SO2:
0.7 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:
6.8 µg/m³
- PM10:
7.75 µg/m³
- O3:
0.057 ppm
- NO2:
1.3 ppb
- SO2:
0.7 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.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.11 µg/m³
- PM10:
8.24 µg/m³
- O3:
0.048 ppm
- NO2:
3 ppb
- SO2:
0.6 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:
7.3 µg/m³
- PM10:
8.65 µg/m³
- O3:
0.041 ppm
- NO2:
4.5 ppb
- SO2:
0.6 ppb
- CO:
0.15 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:
7.43 µg/m³
- PM10:
9 µg/m³
- O3:
0.037 ppm
- NO2:
5.2 ppb
- SO2:
0.5 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
7.6 µg/m³
- PM10:
9.33 µg/m³
- O3:
0.035 ppm
- NO2:
5.3 ppb
- SO2:
0.5 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
7.72 µg/m³
- PM10:
9.55 µg/m³
- O3:
0.033 ppm
- NO2:
5.2 ppb
- SO2:
0.4 ppb
- CO:
0.17 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
7.69 µg/m³
- PM10:
9.49 µg/m³
- O3:
0.031 ppm
- NO2:
5.1 ppb
- SO2:
0.4 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Weather Alerts and Warnings for McKinney
Air Quality Alert
Air Quality Alert issued October 20 at 3:19PM CDT by NWS Fort Worth TX
Oct 20, 3:19 PM
→ Oct 21, 6:30 PM
AQAFWD
The Texas Commission on Environmental Quality (TCEQ) has issued
an Ozone Action Day for the Dallas-Fort Worth area for Wednesday,
October 21, 2026.
Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Dallas-Fort Worth area
on Wednesday. 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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