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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
0.64 μg/ft3
PM25
Primary Pollutant
0.60 μg/ft3
NO2
13.13 ppb
SO2
5.31 ppb
CO
5.19 ppb
O3
32.38 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

Tue, January 18
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 29 and 36.

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 27 and 38.

AQI32
AQI33
AQI32
AQI32
Next day
Pollen

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

Tree

1
1
1
1

Weed

0
0
0
0

Grass

0
0
0
0
Next day
PM10
0.15 μg/ft3
0.18 μg/ft3
0.17 μg/ft3
0.27 μg/ft3
PM25
0.10 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
0.19 μg/ft3
NO2
5.03 ppb
4.63 ppb
3.21 ppb
18.2 ppb
SO2
0.64 ppb
1.02 ppb
1.25 ppb
4.02 ppb
CO
0.15 ppb
0.15 ppb
0.14 ppb
0.16 ppb
O3
35.2 ppb
33.35 ppb
39.47 ppb
27 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 27 and 38.

AQI33
AQI32
AQI32
AQI27
Pollen

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

Tree

1
1
1
1

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.18 μg/ft3
0.17 μg/ft3
0.27 μg/ft3
0.25 μg/ft3
PM25
0.13 μg/ft3
0.12 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
NO2
4.63 ppb
3.21 ppb
18.2 ppb
13.29 ppb
SO2
1.02 ppb
1.25 ppb
4.02 ppb
4.11 ppb
CO
0.15 ppb
0.14 ppb
0.16 ppb
0.15 ppb
O3
33.35 ppb
39.47 ppb
27 ppb
31.11 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 29 and 35.

AQI33
AQI31
AQI33
AQI35
Pollen

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

Tree

1
1
1
1

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.26 μg/ft3
0.29 μg/ft3
0.07 μg/ft3
0.10 μg/ft3
PM25
0.18 μg/ft3
0.20 μg/ft3
0.05 μg/ft3
0.07 μg/ft3
NO2
6.95 ppb
4.98 ppb
3.23 ppb
4.11 ppb
SO2
5.17 ppb
5.97 ppb
1.61 ppb
1.7 ppb
CO
0.15 ppb
0.16 ppb
0.14 ppb
0.14 ppb
O3
34.99 ppb
32.65 ppb
38.35 ppb
36.78 ppb

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