What is the air quality in Portland today?

The current Air Quality Index (AQI) in Portland is 47 (Good). PM2.5 concentration is 11.35 µg/m³.

What is the temperature in Portland right now?

The current temperature in Portland is 24.6°C (feels like 24.6°C). Humidity is 56.6% and wind speed is 49.8 km/h.

Is it safe to go outside in Portland?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Portland, United States

Windy

24.6°C · 56.6% humidity

24.6°

Feels 24.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

42h · 2 stn

View full history →

Portland's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

56.6%

Humidity

49.8 km/h

Wind ESE

1016.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.35 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Portland?

Temperature & Precipitation

PM2.5 Trend

42h · 2 stations

PM2.511.35 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

11.35

Median

11.1

Average

9.4

Low

13.3

High

PM2.5 µg/m³ · Model: 8.2 · Bias: -3.2

What is the 7-day forecast for Portland?

10-21

26.7° 21.1°

0.06 mm

10-22

27.7° 21.3°

10-23

30.1° 17.7°

9.19 mm

10-24

27.2° 23.4°

10-25

24.9° 20.6°

10-26

27.8° 16.6°

0.44 mm

10-27

24.0° 12.9°

32.63 mm

Both models agree Avg diff: 2.6°C

Where are air quality stations near Portland?

Corpus Christi Huisache

13.3 km PM2.5: 11.0 µg/m³

Dona Park, Corpus Christi, Texas

15.7 km PM2.5: 10.1 µg/m³

Dona Park, Corpus Christi, Texas

15.7 km PM2.5: 10.6 µg/m³

What cities are near Portland?

51 Corpus Christi 37 Kingsville 37 Alice 34 Victoria 31 Bay City 21 Harlingen 23 Edinburg 20 San Benito 37 Seguin 27 Mercedes

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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 2026-10-21T01:06 UTC.