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Washington, DC, District of Columbia, United States
West End, District of Columbia, United States
Judiciary Square, District of Columbia, United States
Nearby popular places
National Christmas Tree, United States
Butt-Millet Memorial, United States
Rush Barracks (historical), United States

Air Quality in Washington, DC, District of Columbia, United States

Pollutants in Washington, DC, United States

PM10
0.19 μg/ft3
PM25
0.13 μg/ft3
NO2
0.63 ppb
SO2
0.19 ppb
CO
0.13 ppb
O3
Primary Pollutant
40.69 ppb
Low riskHigh risk

Pollen Index in Washington, DC, United States

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Air Quality Forecast in Washington, DC, United States

Fri, October 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 32 and 34.

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 28 and 33.

AQI34
AQI32
AQI28
AQI29
Next day
Pollen

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

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

Tree

0
0
0
0

Weed

1
1
1
0

Grass

0
0
0
0
Next day
PM10
0.28 μg/ft3
0.12 μg/ft3
0.06 μg/ft3
0.12 μg/ft3
PM25
0.19 μg/ft3
0.08 μg/ft3
0.04 μg/ft3
0.09 μg/ft3
NO2
2.01 ppb
2.85 ppb
1.32 ppb
1.52 ppb
SO2
0.56 ppb
0.5 ppb
0.41 ppb
0.38 ppb
CO
0.13 ppb
0.15 ppb
0.14 ppb
0.13 ppb
O3
38.45 ppb
31.57 ppb
29.96 ppb
34.1 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 28 and 33.

AQI28
AQI29
AQI33
AQI33
Pollen

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

Tree

0
0
0
0

Weed

1
0
1
1

Grass

0
0
0
0
PM10
0.06 μg/ft3
0.12 μg/ft3
0.15 μg/ft3
0.08 μg/ft3
PM25
0.04 μg/ft3
0.09 μg/ft3
0.11 μg/ft3
0.05 μg/ft3
NO2
1.32 ppb
1.52 ppb
2.4 ppb
3.31 ppb
SO2
0.41 ppb
0.38 ppb
0.45 ppb
0.65 ppb
CO
0.14 ppb
0.13 ppb
0.13 ppb
0.14 ppb
O3
29.96 ppb
34.1 ppb
36.37 ppb
34.61 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 31 and 35.

AQI32
AQI31
AQI35
AQI34
Pollen

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

Tree

0
0
0
0

Weed

0
1
1
1

Grass

0
0
0
0
PM10
0.12 μg/ft3
0.13 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
PM25
0.09 μg/ft3
0.09 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
NO2
1.89 ppb
1.67 ppb
2.56 ppb
3.85 ppb
SO2
0.79 ppb
0.58 ppb
0.61 ppb
0.77 ppb
CO
0.14 ppb
0.13 ppb
0.13 ppb
0.15 ppb
O3
33.63 ppb
34.19 ppb
38.42 ppb
35.48 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 30 and 53.

AQI31
AQI45
AQI48
AQI0
Pollen

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

Tree

0
0
0
0

Weed

1
1
1
1

Grass

0
0
0
0
PM10
0.28 μg/ft3
0.48 μg/ft3
0.43 μg/ft3
N/A
PM25
0.19 μg/ft3
0.34 μg/ft3
0.30 μg/ft3
N/A
NO2
3.49 ppb
3.48 ppb
3.43 ppb
N/A
SO2
1.82 ppb
1.73 ppb
1.99 ppb
N/A
CO
0.15 ppb
0.16 ppb
0.15 ppb
N/A
O3
31.44 ppb
33.99 ppb
40.42 ppb
N/A
AQI

On average, the air quality on this day will be , meaning that According to our index, ranging from 0 to 500, the air quality is going to be between values of and .

AQI0
AQI0
AQI0
AQI0
Pollen

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

Tree

0
-
Not Available
-
Not Available
-
Not Available

Weed

1
-
Not Available
-
Not Available
-
Not Available

Grass

0
-
Not Available
-
Not Available
-
Not Available
PM10
N/A
N/A
N/A
N/A
PM25
N/A
N/A
N/A
N/A
NO2
N/A
N/A
N/A
N/A
SO2
N/A
N/A
N/A
N/A
CO
N/A
N/A
N/A
N/A
O3
N/A
N/A
N/A
N/A

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