Lieu historique national du Canada de la Maison-de-Sir-John-JohnsonSir John Johnson House National Historic Site of CanadaCornwall Regional AirportLieu historique national du Canada du Cairn-de-GlengarryGlengarry Cairn National Historic Site of CanadaLake St. FrancisLancaster BarAkwesasne Indian Reserve 59Akwesasne Indian Reserve 15Lac St-FrancoisLieu historique national du Canada de la Maison-InverardenInverarden House National Historic Site of CanadaLac Saint-FrancoisPlage de Saint-AnicetReserve nationale de faune du lac Saint-FrancoisLac Saint-Francois National Wildlife AreaAkwesasneSaint RegisCornwallFort CovingtonCote SaumierFort Covington HamletHogansburgRooseveltownBombayFort Covington CenterWestvillePlage de Saint-ZotiqueBarnhart Island Overlook and Picnic AreaWestville CenterTrout RiverRaquette RiverHelenaSaint-ZotiqueSouth BombayMassena CenterIrontonBrasher Iron WorksLes CoteauxConstable
Air Quality in Sir John Johnson House National Historic Site of Canada, Canada
Pollutants in Sir John Johnson House National Historic Site of Canada, Canada
PM10
0.24 μg/ft3
PM25
Primary Pollutant
0.15 μg/ft3
NO2
4.5 ppb
SO2
0.19 ppb
CO
0.19 ppb
O3
17.5 ppb
Low riskHigh risk
Pollen Index in Sir John Johnson House National Historic Site of Canada, Canada
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345
Air Quality Forecast in Sir John Johnson House National Historic Site of Canada, Canada
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 19 and 24.
19
21
24
20
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
0
0
0
0
Weed
0
0
0
0
Grass
1
0
0
0
PM10
0.01 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.00 μg/ft3
PM25
0.01 μg/ft3
0.01 μg/ft3
0.01 μg/ft3
0.00 μg/ft3
NO2
0.15 ppb
0.06 ppb
0.06 ppb
0.09 ppb
SO2
0.01 ppb
0.01 ppb
0.01 ppb
0.02 ppb
CO
0.12 ppb
0.13 ppb
0.12 ppb
0.11 ppb
O3
19.76 ppb
25.09 ppb
23.87 ppb
20.29 ppb