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
AD 728×90

Air Quality Index Trend

36h · 3 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▲
42
10.1 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Roy?

Temperature & Precipitation

PM2.5 Trend

36h · 3 stations
PM2.510.1 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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?

61
Harrisville, Weber, Utah
16.0 km PM2.5: 16.9 µg/m³
46
Davis, Utah
22.8 km PM2.5: 11.0 µg/m³

What cities are near Roy?

42 Clearfield 42 South Ogden 40 Ogden 42 Syracuse 42 Layton 42 Kaysville 37 North Ogden 42 Centerville 42 Bountiful 42 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 2026-06-09T03:20 UTC.