Air Quality in Gresham, United States
Drizzle
10.3°C · 84.5% humidity
10.3°
Feels 10.3°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
6
5pm
5
5
9
8pm
6
6
6
11pm
6
6
6
2am
6
6
6
5am
6
6
6
8am
6
6
6
11am
6
—
—
2pm
—
—
Station readings
29h ago
AQI 5
PM2.5 1.3 µg/m³ · 29h ago
Air Quality Index Trend
48h · 5 stnGresham's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
84.5%
Humidity
21.1 km/h
Wind SSW
1022.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.14 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Gresham?
Temperature & Precipitation
PM2.5 Trend
48h · 5 stationsPM2.52.14 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (12 stations within 25 km)
2.14
Median
2.59
Average
1.57
Low
7.2
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.7
What is the 7-day forecast for Gresham?
06-09
19.9° 10.1°
1.94 mm
06-10
24.1° 13.5°
06-11
25.3° 9.5°
06-12
33.7° 9.3°
0.06 mm
06-13
37.3° 7.8°
06-14
29.2° 12.5°
4.0 mm
06-15
24.0° 8.3°
2.12 mm
Both models agree
Avg diff: 5.6°C
Where are air quality stations near Gresham?
8
Gresham Centennial High School
8
Portland McDaniel High School
7
Portland Cully Helensview, Oregon, USA
17
Portland, Oregon, USA
12
Portland, Oregon, USA
9
Portland Lane Middle School
21
Portland Postal Bldg., Oregon, USA
7
Portland Postal Bldg., Oregon, USA
6
Vancouver-Blairmont Dr
9
Portland Benson High School
What cities are near Gresham?
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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 2026-06-09T03:12 UTC.