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

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

To view the map, please use a browser that supports WebGL.

Pollutants in Washington, DC, United States

PM10
0.36 μg/ft3
PM25
Primary Pollutant
0.32 μg/ft3
NO2
5.69 ppb
SO2
5.81 ppb
CO
5.19 ppb
O3
48.69 ppb
Low riskHigh risk

Pollen Index in Washington, DC, United States

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

Air Quality Forecast in Washington, DC, United States

Sat, April 13
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 31 and 44.

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 56.

44
31
32
37
Next day
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 high 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 high risk.

Tree

5
5
3
2

Weed

0
0
0
0

Grass

5
5
3
1
Next day
PM10
0.30 μg/ft3
0.35 μg/ft3
0.29 μg/ft3
0.40 μg/ft3
PM25
0.19 μg/ft3
0.23 μg/ft3
0.20 μg/ft3
0.27 μg/ft3
NO2
1.41 ppb
6.4 ppb
4.77 ppb
2.94 ppb
SO2
0.27 ppb
0.42 ppb
0.45 ppb
0.67 ppb
CO
0.15 ppb
0.22 ppb
0.21 ppb
0.22 ppb
O3
44.94 ppb
26.25 ppb
20.73 ppb
33.48 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 31 and 56.

32
37
55
45
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 high risk.

Tree

3
2
5
5

Weed

0
0
0
0

Grass

3
1
4
5
PM10
0.29 μg/ft3
0.40 μg/ft3
0.44 μg/ft3
0.40 μg/ft3
PM25
0.20 μg/ft3
0.27 μg/ft3
0.29 μg/ft3
0.27 μg/ft3
NO2
4.77 ppb
2.94 ppb
1.57 ppb
2.51 ppb
SO2
0.45 ppb
0.67 ppb
0.72 ppb
0.74 ppb
CO
0.21 ppb
0.22 ppb
0.16 ppb
0.17 ppb
O3
20.73 ppb
33.48 ppb
55.1 ppb
44.93 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 37 and 44.

39
38
0
0
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 high risk.

Tree

2
1
-
Not Available
-
Not Available

Weed

0
0
-
Not Available
-
Not Available

Grass

5
1
-
Not Available
-
Not Available
PM10
0.35 μg/ft3
0.34 μg/ft3
N/A
N/A
PM25
0.23 μg/ft3
0.22 μg/ft3
N/A
N/A
NO2
1.74 ppb
1.18 ppb
N/A
N/A
SO2
0.73 ppb
0.55 ppb
N/A
N/A
CO
0.16 ppb
0.16 ppb
N/A
N/A
O3
40.43 ppb
43.76 ppb
N/A
N/A