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

Pollutants in Washington, DC, United States

PM10
0.46 μg/ft3
PM25
Primary Pollutant
0.32 μg/ft3
NO2
7.63 ppb
SO2
6.63 ppb
CO
5.13 ppb
O3
38.13 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, September 24
MorningNoonEveningNight
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 33 and 59.

AQI48
AQI36
AQI42
AQI33
Pollen

Tree pollen on this day is expected to have no risk. There's very high risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
1
5
5

Grass

0
0
0
0
PM10
0.41 μg/ft3
0.17 μg/ft3
0.18 μg/ft3
0.28 μg/ft3
PM25
0.29 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.20 μg/ft3
NO2
3.7 ppb
0.63 ppb
1.8 ppb
8.04 ppb
SO2
0.89 ppb
0.59 ppb
0.55 ppb
0.77 ppb
CO
0.15 ppb
0.09 ppb
0.1 ppb
0.15 ppb
O3
32.69 ppb
43.12 ppb
44.65 ppb
31.79 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 30 and 43.

AQI38
AQI38
AQI43
AQI34
Pollen

Tree pollen on this day is expected to have no risk. There's very high risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

3
4
5
5

Grass

0
0
0
0
PM10
0.38 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.27 μg/ft3
PM25
0.27 μg/ft3
0.16 μg/ft3
0.14 μg/ft3
0.19 μg/ft3
NO2
6.55 ppb
0.83 ppb
2.15 ppb
5.28 ppb
SO2
0.99 ppb
0.95 ppb
0.52 ppb
0.47 ppb
CO
0.16 ppb
0.1 ppb
0.11 ppb
0.14 ppb
O3
24.84 ppb
44.62 ppb
44.28 ppb
34.36 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 32 and 49.

AQI42
AQI36
AQI42
AQI35
Pollen

Tree pollen on this day is expected to have no risk. There's very high risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

5
3
4
4

Grass

0
0
0
0
PM10
0.43 μg/ft3
0.25 μg/ft3
0.22 μg/ft3
0.16 μg/ft3
PM25
0.30 μg/ft3
0.17 μg/ft3
0.15 μg/ft3
0.11 μg/ft3
NO2
2.92 ppb
0.73 ppb
1.17 ppb
1.75 ppb
SO2
0.34 ppb
0.52 ppb
0.5 ppb
0.41 ppb
CO
0.14 ppb
0.11 ppb
0.1 ppb
0.1 ppb
O3
24.01 ppb
42.85 ppb
44.09 ppb
34.56 ppb