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

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Pollutants in Washington, DC, United States

PM10
0.34 μg/ft3
PM25
Primary Pollutant
0.24 μg/ft3
NO2
1.19 ppb
SO2
0.19 ppb
CO
0.19 ppb
O3
34.88 ppb
Low riskHigh risk

Pollen Index in Washington, DC, United States

Tree
5/5
012345
Weed
0/5
012345
Grass
2/5
012345

Air Quality Forecast in Washington, DC, United States

Tue, May 21
MorningNoonEveningNight
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 92.

52
66
52
59
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

5
2
0
0

Weed

0
0
0
0

Grass

1
1
0
0
PM10
0.49 μg/ft3
0.65 μg/ft3
0.51 μg/ft3
0.70 μg/ft3
PM25
0.34 μg/ft3
0.44 μg/ft3
0.36 μg/ft3
0.49 μg/ft3
NO2
3.69 ppb
2.49 ppb
8.61 ppb
17.01 ppb
SO2
1.16 ppb
1.4 ppb
0.87 ppb
1.39 ppb
CO
0.21 ppb
0.22 ppb
0.24 ppb
0.32 ppb
O3
28.91 ppb
65.39 ppb
42.59 ppb
19.62 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 46 and 86.

49
49
77
75
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 no risk.

Tree

0
0
2
2

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.41 μg/ft3
0.48 μg/ft3
0.49 μg/ft3
1.02 μg/ft3
PM25
0.28 μg/ft3
0.33 μg/ft3
0.34 μg/ft3
0.71 μg/ft3
NO2
7.05 ppb
2.67 ppb
7.09 ppb
28.86 ppb
SO2
1.3 ppb
2.41 ppb
1.32 ppb
1.47 ppb
CO
0.25 ppb
0.21 ppb
0.22 ppb
0.45 ppb
O3
18.08 ppb
54.79 ppb
57.67 ppb
10.47 ppb