Search location
Use my current location
Nearby locations
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
Winter Weather Advisory
View all

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

Pollutants in Washington, DC, United States

PM10
0.34 μg/ft3
PM25
Primary Pollutant
0.34 μg/ft3
NO2
12.81 ppb
SO2
5.13 ppb
CO
4.5 ppb
O3
31.63 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

Sat, January 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 21 and 63.

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 23 and 116.

AQI27
AQI30
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
0.12 μg/ft3
0.15 μg/ft3
0.07 μg/ft3
0.09 μg/ft3
PM25
0.08 μg/ft3
0.11 μg/ft3
0.05 μg/ft3
0.07 μg/ft3
NO2
6.01 ppb
2.91 ppb
2.58 ppb
1.81 ppb
SO2
1.3 ppb
1.22 ppb
1.08 ppb
1 ppb
CO
0.17 ppb
0.15 ppb
0.14 ppb
0.13 ppb
O3
29.59 ppb
35.54 ppb
32.87 ppb
36.48 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 23 and 116.

AQI32
AQI32
AQI31
AQI29
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
0.07 μg/ft3
0.09 μg/ft3
0.16 μg/ft3
0.32 μg/ft3
PM25
0.05 μg/ft3
0.07 μg/ft3
0.11 μg/ft3
0.23 μg/ft3
NO2
2.58 ppb
1.81 ppb
9.78 ppb
17.84 ppb
SO2
1.08 ppb
1 ppb
1.23 ppb
1.95 ppb
CO
0.14 ppb
0.13 ppb
0.16 ppb
0.21 ppb
O3
32.87 ppb
36.48 ppb
28.44 ppb
17.79 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 45 and 95.

AQI44
AQI43
AQI55
AQI55
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
0.41 μg/ft3
0.45 μg/ft3
0.62 μg/ft3
0.51 μg/ft3
PM25
0.29 μg/ft3
0.32 μg/ft3
0.43 μg/ft3
0.35 μg/ft3
NO2
8.8 ppb
4.97 ppb
12.61 ppb
8.44 ppb
SO2
2.17 ppb
2.53 ppb
2.24 ppb
2.13 ppb
CO
0.18 ppb
0.17 ppb
0.2 ppb
0.18 ppb
O3
23.53 ppb
27.59 ppb
21.17 ppb
24.48 ppb

Our site uses cookies to enhance the user experience. Find out more on how we use cookies.