Air Quality in Katy, United States
Overcast
23.3°C · 95.8% humidity
23.3°
Feels 23.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Katy's air quality — share it
AQI Forecast
27
8pm
27
27
28
11pm
27
27
27
2am
27
27
27
5am
27
27
27
8am
27
27
27
11am
27
27
27
2pm
27
27
27
5pm
25
25
Air Quality Index Trend
48h · 1 stnKaty's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
95.8%
Humidity
34.9 km/h
Wind SSW
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.65 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Katy?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.56.65 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.65
Median
6.65
Average
6.65
Low
6.65
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.2
What is the 7-day forecast for Katy?
06-09
33.7° 21.3°
3.38 mm
06-10
31.4° 23.7°
4.63 mm
06-11
29.4° 22.5°
06-12
32.9° 22.2°
0.31 mm
06-13
32.2° 23.1°
1.37 mm
06-14
33.3° 23.0°
06-15
35.1° 25.6°
0.62 mm
Both models agree
Avg diff: 2.0°C
Where are air quality stations near Katy?
28
Fire Station 90
–
Houston Westhollow
28
NE Corner Westpark & Wilcrest Dr
31
3838 Wilcrest Dr
28
11212 Westpark Dr
31
Fire Station 73
What cities are near Katy?
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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 2026-06-09T04:45 UTC.