Air Quality in Roy, United States
Clear
16.7°C · 27.9% humidity
16.7°
Feels 16.7°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
34
6pm
54
54
42
9pm
40
31
28
12am
27
27
26
3am
26
28
27
6am
54
54
54
9am
54
54
34
12pm
27
25
24
3pm
24
24
Air Quality Index Trend
36h · 3 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.
27.9%
Humidity
39.4 km/h
Wind NE
1010.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.1 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for Roy?
Temperature & Precipitation
PM2.5 Trend
36h · 3 stationsPM2.510.1 µg/m³
✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
10.1
Median
10.1
Average
10.1
Low
10.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -2.8
What is the 7-day forecast for Roy?
06-09
33.8° 16.2°
06-10
27.0° 11.3°
06-11
27.3° 13.8°
06-12
33.4° 11.5°
0.06 mm
06-13
34.0° 14.5°
06-14
31.0° 17.0°
06-15
34.2° 7.5°
4.0 mm
Both models agree
Avg diff: 5.0°C
Where are air quality stations 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 2026-06-09T03:20 UTC.