Union SquareBotanic Gardens (historical)President Ulysses S Grant MemorialJames Abram Garfield MemorialCivil War Sailors StatueEast Seaton ParkPresident James Garfield MemorialPeace MonumentFlamingo FountainWest Seaton ParkGeneral Meade StatueSir William Blackstone StatueFreedom StatueAmerican Veterans Disabled for Life MemorialSpring GrottoThe Spirit of Justice ParkThe Majesty of Law SculpturePennsylvania Avenue National Historic SiteRobert A Taft Memorial and CarillonMan Controlling Trade SculptureEast EndSouthwestJudiciary SquareWashington CityEast CentralStanton ParkBuzzard PointWashington, DCSoutheastShawLincoln ParkLogan CircleBloomingdaleIsherwoodTrinidadRosedaleIvy CityWest EndKingman ParkAnacostia
Air Quality in Union Square, United States
Pollutants in Union Square, 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 Union Square, United States
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345
Air Quality Forecast in Union Square, United States
Sun, May 19
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 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