Air Quality in Roy, United States
Clear
21.8°C · 30.5% humidity
21.8°
Feels 21.8°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
AQI Forecast
25
1pm
25
25
51
4pm
44
38
64
7pm
61
39
38
10pm
28
27
25
1am
25
25
24
4am
24
24
34
7am
34
27
27
10am
25
25
Air Quality Index Trend
46h · 4 stnRoy's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
30.5%
Humidity
32.9 km/h
Wind WSW
1006.6 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.11 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Roy?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.512.11 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (3 stations within 25 km)
12.11
Median
10.87
Average
5.0
Low
14.5
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -6.1
What is the 7-day forecast for Roy?
05-29
33.0° 8.5°
05-30
26.1° 11.2°
05-31
27.7° 14.7°
06-01
28.6° 10.7°
0.38 mm
06-02
26.3° 13.1°
06-03
25.7° 8.1°
06-04
27.9° 15.0°
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Roy?
What cities are near Roy?
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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 2026-05-29T22:17 UTC.