Air Quality in Katy, United States
Drizzle
24.9°C · 76.9% humidity
24.9°
Feels 24.9°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Katy's air quality — share it
AQI Forecast
25
4pm
25
25
21
7pm
23
24
25
10pm
25
26
26
1am
26
27
27
4am
27
34
34
7am
25
25
25
10am
25
25
25
1pm
25
25
Air Quality Index Trend
48h · 3 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.
76.9%
Humidity
49.7 km/h
Wind ESE
1009.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Katy?
Temperature & Precipitation
PM2.5 Trend
48h · 3 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +5.0
What is the 7-day forecast for Katy?
05-29
33.1° 21.0°
15.25 mm
05-30
29.0° 22.5°
05-31
31.6° 19.5°
0.25 mm
06-01
31.7° 21.4°
0.56 mm
06-02
34.0° 22.3°
06-03
28.9° 22.3°
0.75 mm
06-04
30.2° 22.1°
4.44 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Katy?
22
Fire Station 90
–
Houston Westhollow
21
NE Corner Westpark & Wilcrest Dr
20
3838 Wilcrest Dr
20
11212 Westpark Dr
22
Fire Station 73
What cities are near Katy?
Get AQI alerts for Katy
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:10 UTC.