Air Quality in Gresham, United States

Clear
17.2°C · 34.6% humidity
17.2°
Feels 17.2°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 9pm
13
14
10 12am
11
23
23 3am
61
61
61 6am
61
61
36 9am
36
23
23 12pm
11
11
11 3pm
11
11
11 6pm
11
11
Station readings
14
13
14
10
9
CAMS model adj -14
25
25
25
25
25
37
37
75
75
75
75
75
50
50
37
37
25
25
25
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

29h · 3 stations
34.6%
Humidity
23.8 km/h
Wind NNW
1013.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Gresham?

Temperature & Precipitation

PM2.52.93 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
2.93
Median
2.98
Average
1.7
Low
4.0
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +4.5

What is the 7-day forecast for Gresham?

04-10
17.2° 4.9°
04-11
11.6° 5.6°
3.69 mm
04-12
7.9° 4.9°
15.19 mm
04-13
9.8° 4.9°
2.0 mm
04-14
10.1° 4.2°
1.25 mm
04-15
13.8° 3.2°
0.06 mm
04-16
14.0° 6.9°
6.13 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Gresham?

14
Gresham Centennial High School
4.1 km PM2.5: 3.3 µg/m³
17
Portland McDaniel High School
12.5 km PM2.5: 4.0 µg/m³
14
Portland Cully Helensview, Oregon, USA
13.3 km
15
Portland Cully Helensview, Oregon, USA
13.3 km
21
Portland, Oregon, USA
13.4 km
15
Portland Postal Bldg., Oregon, USA
13.6 km
12
Portland Lane Middle School
13.6 km PM2.5: 2.9 µg/m³
13
Portland Postal Bldg., Oregon, USA
13.6 km
9
Vancouver-Blairmont Dr
14.4 km PM2.5: 2.2 µg/m³
12
Portland Benson High School
17.4 km PM2.5: 2.8 µg/m³

What cities are near Gresham?

12 Troutdale 12 Happy Valley 12 Camas 12 Lents 12 Washougal 12 Milwaukie 12 Oak Grove 13 West Linn 12 Lake Oswego 13 Oregon City

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:40 UTC.