Air Quality in Portland, United States

Windy
22.9°C · 61.9% humidity
22.9°
Feels 22.9°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
31 9pm
53
53
14 12am
31
31
31 3am
31
31
19 6am
19
19
19 9am
19
19
19 12pm
19
19
19 3pm
19
19
19 6pm
19
19
Station readings
53
53
14
CAMS model adj -6
37
37
37
37
37
37
37
37
37
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

19h · 1 station
61.9%
Humidity
86.0 km/h
Wind SE
1016.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Portland?

Temperature & Precipitation

PM2.59.9 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
9.9
Median
9.9
Average
9.9
Low
9.9
High
PM2.5 µg/m³ · Model: 10.4 · Bias: +0.5
Both models agree Avg diff: 1.3°C

Where are air quality stations near Portland?

14
Corpus Christi Huisache
13.3 km PM2.5: 3.4 µg/m³
20
Dona Park, Corpus Christi, Texas
15.7 km
18
Dona Park, Corpus Christi, Texas
15.7 km
23
Dona Park, Corpus Christi, Texas
15.7 km

What cities are near Portland?

41 Corpus Christi 39 Kingsville 33 Alice 33 Victoria 31 Bay City 46 Harlingen 40 Edinburg 46 San Benito 38 Seguin 40 Mercedes

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:43 UTC.