Air Quality in Four Corners, United States

Drizzle
15.1°C · 77.5% humidity
15.1°
Feels 15.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 10am
27
27
30 1pm
27
27
27 4pm
27
27
27 7pm
27
25
25 10pm
25
25
25 1am
25
25
24 4am
24
25
25 7am
25
25
AD 728×90

Air Quality Index Trend

46h · 14 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 annual guideline of 5 µg/m³.

77.5%
Humidity
31.2 km/h
Wind SSW
1018.1 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.29 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Four Corners?

Temperature & Precipitation

PM2.5 Trend

46h · 14 stations
PM2.57.29 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (3 stations within 25 km)
7.29
Median
6.27
Average
4.4
Low
7.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.0

What is the 7-day forecast for Four Corners?

05-28
23.2° 11.5°
0.5 mm
05-29
28.2° 10.7°
3.75 mm
05-30
11.8° 8.3°
0.31 mm
05-31
29.1° 10.2°
06-01
22.6° 4.3°
06-02
29.6° 6.8°
06-03
23.8° 5.7°
1.75 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Four Corners?

26
Salem, Oregon, USA
2.4 km PM2.5: 6.2 µg/m³
18
Salem Chemeketa Community College
5.4 km PM2.5: 4.4 µg/m³
20
Turner Cascade Jr. High, Oregon, USA
14.2 km PM2.5: 4.8 µg/m³
37
Turner Cascade Jr. High, Oregon, USA
14.2 km PM2.5: 8.9 µg/m³
22
Silverton, Oregon, USA
18.0 km PM2.5: 5.3 µg/m³
20
Silverton, Oregon, USA
18.0 km PM2.5: 4.8 µg/m³
13
Woodburn Chemeketa Community College
26.0 km PM2.5: 3.1 µg/m³

What cities are near Four Corners?

19 Hayesville 23 Keizer 13 Woodburn 12 Dallas 16 McMinnville 21 Newberg 27 Canby 28 Wilsonville 24 Corvallis 28 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 2026-05-28T20:16 UTC.