Nearby locations
Seattle, Washington, United States
Broadmoor, Washington, United States
South Seattle, Washington, United States
Nearby popular places
1001 Fourth Avenue Plaza Heliport, United States
Washington Building Heliport, United States
Edgewater Inn Heliport, United States

Air Quality in Seattle, Washington, United States

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Pollutants in Seattle, United States

PM10
0.25 μg/ft3
PM25
Primary Pollutant
0.22 μg/ft3
NO2
6.63 ppb
SO2
5.13 ppb
CO
5.13 ppb
O3
31.31 ppb
Low riskHigh risk

Pollen Index in Seattle, United States

Tree
1/5
012345
Weed
0/5
012345
Grass
4/5
012345

Air Quality Forecast in Seattle, United States

Wed, May 15
MorningNoonEveningNight
Next day
Next day
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 18 and 53.

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 26 and 40.

34
39
30
28
Next day
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

2
1
1
1

Weed

0
0
0
0

Grass

5
5
5
5
Next day
PM10
0.16 μg/ft3
0.08 μg/ft3
0.04 μg/ft3
0.06 μg/ft3
PM25
0.11 μg/ft3
0.06 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
NO2
0.3 ppb
0.31 ppb
0.52 ppb
0.58 ppb
SO2
0.15 ppb
0.04 ppb
0.04 ppb
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.11 ppb
O3
41.43 ppb
38.68 ppb
30.26 ppb
34.54 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 26 and 40.

28
41
46
41
Pollen

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

1
1
1
1

Weed

0
0
0
0

Grass

5
5
5
5
PM10
0.06 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
0.07 μg/ft3
PM25
0.04 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.05 μg/ft3
NO2
0.58 ppb
0.21 ppb
0.36 ppb
1.6 ppb
SO2
0.1 ppb
0.14 ppb
0.13 ppb
0.16 ppb
CO
0.11 ppb
0.11 ppb
0.12 ppb
0.14 ppb
O3
34.54 ppb
45.89 ppb
52.44 ppb
38.07 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 24 and 35.

26
45
54
44
Pollen

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

2
2
1
1

Weed

0
0
0
0

Grass

5
5
5
5
PM10
0.10 μg/ft3
0.18 μg/ft3
0.17 μg/ft3
0.05 μg/ft3
PM25
0.06 μg/ft3
0.11 μg/ft3
0.09 μg/ft3
0.03 μg/ft3
NO2
2.02 ppb
0.37 ppb
0.39 ppb
0.88 ppb
SO2
0.23 ppb
0.2 ppb
0.14 ppb
0.11 ppb
CO
0.16 ppb
0.18 ppb
0.15 ppb
0.13 ppb
O3
28.01 ppb
52.78 ppb
55.03 ppb
42.25 ppb