Air Quality in Portland, United States

Windy
25.0°C · 58.5% humidity
25.0°
Feels 25.0°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
30 3pm
49
60
49 6pm
49
49
36 9pm
36
36
36 12am
36
36
36 3am
36
36
24 6am
24
24
24 9am
24
24
24 12pm
24
24
Station readings
30
60
CAMS model adj -1
37
50
50
50
50
50
37
37
37
37
37
37
37
37
37
25
25
25
25
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

19h · 1 station
58.5%
Humidity
102.4 km/h
Wind SE
1018.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Portland?

Temperature & Precipitation

PM2.516.2 µg/m³ ×1.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
16.2
Median
16.2
Average
16.2
Low
16.2
High
PM2.5 µg/m³ · Model: 10.4 · Bias: -5.8

What is the 7-day forecast for Portland?

04-09
25.0° 20.2°
0.31 mm
04-10
24.4° 20.9°
1.0 mm
04-11
25.6° 21.0°
04-12
27.0° 21.8°
0.5 mm
04-13
27.5° 22.6°
0.13 mm
04-14
28.1° 22.7°
0.06 mm
04-15
28.4° 23.5°
Both models agree Avg diff: 1.2°C

Where are air quality stations near Portland?

60
Corpus Christi Huisache
13.3 km PM2.5: 16.2 µg/m³
17
Dona Park, Corpus Christi, Texas
15.7 km
19
Dona Park, Corpus Christi, Texas
15.7 km

What cities are near Portland?

60 Corpus Christi 45 Kingsville 39 Alice 32 Victoria 33 Bay City 22 Harlingen 17 Edinburg 21 San Benito 28 Seguin 17 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 2026-04-09T18:51 UTC.