Air Quality in McKinney, United States
Windy
35.0°C · 42.3% humidity
35.0°
Feels 38.8°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
McKinney's air quality — share it
AQI Forecast
54
9am
54
54
58
12pm
54
54
54
3pm
54
54
54
6pm
54
54
54
9pm
54
54
54
12am
54
54
54
3am
54
54
54
6am
54
54
Air Quality Index Trend
31h · 1 stnMcKinney's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in McKinney is 1.0× the WHO 24-hour guideline of 15 µg/m³.
42.3%
Humidity
72.5 km/h
Wind NNE
1004.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.59 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for McKinney?
Temperature & Precipitation
PM2.5 Trend
31h · 1 stationPM2.515.59 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for McKinney?
07-21
35.0° 26.4°
1.56 mm
07-22
36.4° 22.7°
27.94 mm
07-23
38.1° 20.0°
0.5 mm
07-24
33.5° 24.0°
0.31 mm
07-25
38.2° 25.5°
07-26
40.4° 26.0°
2.19 mm
07-27
40.4° 26.9°
Both models agree
Avg diff: 3.7°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:14 UTC.