Air Quality in Roy, United States

Clear
16.7°C · 27.9% humidity
16.7°
Feels 16.7°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 7pm
54
34
46 10pm
36
31
29 1am
28
27
27 4am
28
28
55 7am
54
54
54 10am
54
34
27 1pm
25
24
24 4pm
24
24
AD 728×90

Air Quality Index Trend

38h · 4 stn

Roy'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▲
46
11.0 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Roy?

Temperature & Precipitation

PM2.5 Trend

38h · 4 stations
PM2.511.0 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
11.0
Median
11.0
Average
11.0
Low
11.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -3.7

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?

30
Harrisville, Weber, Utah
16.0 km PM2.5: 7.2 µg/m³
46
Davis, Utah
22.8 km PM2.5: 11.0 µg/m³

What cities are near Roy?

46 Clearfield 40 South Ogden 42 Ogden 46 Syracuse 45 Layton 44 Kaysville 42 North Ogden 42 Centerville 42 Bountiful 40 North Salt Lake
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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 2026-06-09T04:59 UTC.