Elev 390 47.44 °N, 122.3 °W

Seattle, Washington

42 F SeaTac Station | Report | Change

Air Quality Index

Today:
Good

Help keep air quality good by biking to work and enjoying outdoor activities.

AQI:
35
Dominant Pollutant:
OZONE

High concentrations of ozone can cause headaches and irritate the lungs and airways, aggravating conditions such as asthma and chronic bronchitis.

AQI Source: EPA AirNow - Washington Department of Ecology

Air Quality Forecast:
Main Pollutant:
Wednesday
Good air quality
Thursday
Good air quality
Friday
Good air quality
Saturday
Good air quality
purple air monitor

Keep you and your family safe

Monitor your outdoor air with an air pollution monitor from PurpleAir.

Buy Your Sensor Now

Current
moderate

: Alder, Cedar, Cottonwood

Today
moderate
59° | 42°
Partly Cloudy
Wed
moderate
62° | 45°
Partly Cloudy
Thu
moderate
60° | 44°
Overcast
Fri
high
62° | 43°
Clear

Air Quality & Health Tips

carpool

Carpooling reduces particulates in the air and additional unhealthy pollutants by half!

pollen

Pollen counts are highest on warm days. Best times to be outdoors is in the early morning when dew is still on the plants.

U.S. Counties Health Map & Air Pollution Monitors

Good
Moderate
Unhealthy if Sensitive
Unhealthy
Very Unhealthy
Hazardous
0-50
51-100
101-150
151-200
201-300
301-500
Fine Particulate Matter PM2.5*
Is an air pollutant that is a concern for people's health when levels are high. PM2.5 are tiny particles in the air which reduce visibility and cause the air to appear hazy when levels are elevated.
Learn more about air pollution and your health

Nearby Pollution Monitors

ID
Location
Time
Type
Level (µg/m3)
LWATACOM4
Tacoma, WA
11:31 AM
PM2.5
0.35
LWATACOM4
Tacoma, WA
11:31 AM
PM10
0.35
LWABELLE10
Bellevue, WA
11:31 AM
PM2.5
0.26
LWABELLE10
Bellevue, WA
11:31 AM
PM10
0.03
LWASEATT74
Seattle, WA
11:32 AM
PM2.5
2.71

Pressure

Current: 30.1 in .

Caution
ok
Wind Chill: 37°F
41.9°F
98%
42°F
0 mph | SW

UV Index

Current
moderate
Current
4
Select Skin Type

-World Health Organization

moderate risk of harm from unprotected sun exposure. Limit sun exposure to 17-50 minutes. Apply skin protection factor (SPF) 30+ and wear protective clothing (hat).