Air Quality in Smithfield, United States

Windy
14.7°C · 42.0% humidity
14.7°
Feels 14.7°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

46h · 9 stn

Smithfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

42.0%
Humidity
42.0 km/h
Wind W
1021.2 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5▲
19
4.62 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 9 stations
PM2.54.62 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
4.62
Median
4.88
Average
2.2
Low
7.9
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.2
10-20
14.7° 5.2°
11.69 mm
10-21
19.4° 4.6°
10-22
18.1° 6.1°
3.25 mm
10-23
13.9° 3.7°
10-24
9.9° 7.5°
10-25
18.8° 7.4°
41.13 mm
10-26
10.9° 4.8°
0.62 mm
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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 2026-10-20T20:55 UTC.