Air Quality in Four Corners, United States

Clear
22.3°C · 35.0% humidity
22.3°
Feels 22.3°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
34 10am
34
54
74 1pm
63
48
42 4pm
38
35
32 7pm
31
30
29 10pm
28
28
35 1am
35
34
34 4am
34
34
34 7am
27
34
AD 728×90

Air Quality Index Trend

46h · 9 stn

Four Corners's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Four Corners is 1.5× the WHO 24-hour guideline of 15 µg/m³.

35.0%
Humidity
30.9 km/h
Wind N
1015.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
74
22.78 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Four Corners?

Temperature & Precipitation

PM2.5 Trend

46h · 9 stations
PM2.522.78 µg/m³ ×1.5 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
22.78
Median
22.48
Average
13.6
Low
27.8
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -12.8

What is the 7-day forecast for Four Corners?

07-21
32.8° 9.5°
07-22
28.9° 9.9°
07-23
37.3° 13.4°
07-24
37.5° 12.4°
07-25
28.8° 14.3°
07-26
38.3° 9.5°
07-27
33.3° 11.1°
Both models agree Avg diff: 3.9°C

Where are air quality stations near Four Corners?

30
Salem, Oregon, USA
2.4 km PM2.5: 7.2 µg/m³
54
Salem Chemeketa Community College
5.4 km PM2.5: 13.6 µg/m³
33
Turner Cascade Jr. High, Oregon, USA
14.2 km PM2.5: 7.9 µg/m³
38
Turner Cascade Jr. High, Oregon, USA
14.2 km PM2.5: 9.1 µg/m³
57
Silverton, Oregon, USA
18.0 km PM2.5: 15.0 µg/m³
52
Silverton, Oregon, USA
18.0 km PM2.5: 12.6 µg/m³
48
Woodburn Chemeketa Community College
26.0 km PM2.5: 11.4 µg/m³

What cities are near Four Corners?

55 Hayesville 63 Keizer 48 Woodburn 53 Dallas 15 McMinnville 39 Newberg 70 Canby 59 Wilsonville 55 Corvallis 54 Sherwood
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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 2026-07-21T20:02 UTC.