Nearby locations
Pigeon River, Minnesota, United States
Grand Portage, Minnesota, United States
Red Rock, Minnesota, United States
Nearby popular places
Castle Lake, Canada
Castle Creek Provincial Nature Reserve, Canada
Gravel Lakes, Canada

Air Quality in Castle Lake, Canada

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Pollutants in Castle Lake, Canada

PM10
0.03 μg/ft3
PM25
0.02 μg/ft3
NO2
2.55 ppb
SO2
1.08 ppb
CO
0.17 ppb
O3
Primary Pollutant
29.42 ppb
Low riskHigh risk

Pollen Index in Castle Lake, Canada

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

Air Quality Forecast in Castle Lake, Canada

Mon, November 18
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 20 and 29.

28
25
25
21
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.02 μg/ft3
0.02 μg/ft3
0.13 μg/ft3
0.04 μg/ft3
PM25
0.02 μg/ft3
0.02 μg/ft3
0.13 μg/ft3
0.04 μg/ft3
NO2
2.37 ppb
3.1 ppb
4.5 ppb
3.04 ppb
SO2
0.91 ppb
0.41 ppb
0.42 ppb
0.62 ppb
CO
0.15 ppb
0.18 ppb
0.19 ppb
0.16 ppb
O3
33.2 ppb
27.9 ppb
22.6 ppb
23.9 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 23 and 27.

24
27
27
27
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.01 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
PM25
0.01 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
NO2
1.1 ppb
2.33 ppb
3.17 ppb
2.9 ppb
SO2
0.4 ppb
0.43 ppb
0.25 ppb
0.28 ppb
CO
0.15 ppb
0.16 ppb
0.16 ppb
0.16 ppb
O3
29.4 ppb
29.5 ppb
28.5 ppb
28.1 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 23 and 27.

24
24
27
25
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.01 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
PM25
0.01 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
NO2
1.43 ppb
2.01 ppb
3.3 ppb
2.86 ppb
SO2
0.19 ppb
0.2 ppb
0.22 ppb
0.21 ppb
CO
0.16 ppb
0.17 ppb
0.17 ppb
0.16 ppb
O3
25.6 ppb
27.6 ppb
28.7 ppb
25.2 ppb