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
1.44 μg/ft3
PM25
Primary Pollutant
1.11 μg/ft3
NO2
22.13 ppb
SO2
13.5 ppb
CO
12.31 ppb
O3
48.81 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

Sun, May 19
MorningNoonEveningNight
Next day
Next day
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 47 and 83.

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 43 and 81.

76
50
50
49
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 very low 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 medium risk.

Tree

1
1
4
3

Weed

0
0
0
0

Grass

1
1
1
1
Next day
PM10
0.43 μg/ft3
0.54 μg/ft3
0.46 μg/ft3
0.51 μg/ft3
PM25
0.30 μg/ft3
0.37 μg/ft3
0.32 μg/ft3
0.36 μg/ft3
NO2
1.98 ppb
7.78 ppb
2.43 ppb
1.14 ppb
SO2
0.69 ppb
1.32 ppb
1.24 ppb
1.39 ppb
CO
0.17 ppb
0.24 ppb
0.19 ppb
0.18 ppb
O3
59.34 ppb
34.19 ppb
36.14 ppb
59.01 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 43 and 81.

50
49
78
43
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 medium risk.

Tree

4
3
3
5

Weed

0
0
0
0

Grass

1
1
3
2
PM10
0.46 μg/ft3
0.51 μg/ft3
0.46 μg/ft3
0.37 μg/ft3
PM25
0.32 μg/ft3
0.36 μg/ft3
0.31 μg/ft3
0.26 μg/ft3
NO2
2.43 ppb
1.14 ppb
1.56 ppb
2.97 ppb
SO2
1.24 ppb
1.39 ppb
1.05 ppb
0.65 ppb
CO
0.19 ppb
0.18 ppb
0.17 ppb
0.19 ppb
O3
36.14 ppb
59.01 ppb
60.16 ppb
41.15 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 60.

37
45
60
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 low risk.

Tree

5
4
1
0

Weed

0
0
0
0

Grass

2
1
1
0
PM10
0.33 μg/ft3
0.37 μg/ft3
0.41 μg/ft3
0.36 μg/ft3
PM25
0.23 μg/ft3
0.26 μg/ft3
0.28 μg/ft3
0.25 μg/ft3
NO2
1.59 ppb
1.12 ppb
1.99 ppb
3.87 ppb
SO2
0.88 ppb
1.15 ppb
0.97 ppb
0.98 ppb
CO
0.18 ppb
0.18 ppb
0.18 ppb
0.2 ppb
O3
39.07 ppb
54.63 ppb
56.48 ppb
43.97 ppb