Nearby locations
Kanton, Phoenix Islands, Kiribati
Nikunau, Gilbert Islands, Kiribati
Arorae, Gilbert Islands, Kiribati
Nearby popular places
Howland Island National Wildlife Refuge, United States
US Army Airforce Baker Air Station WW2, United States
Baker Island National Wildlife Refuge, United States

Air Quality in Howland Island National Wildlife Refuge, United States

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Pollutants in Howland Island National Wildlife Refuge, United States

PM10
0.42 μg/ft3
PM25
Primary Pollutant
1.18 μg/ft3
NO2
N/A
SO2
0.1 ppb
CO
0.1 ppb
O3
9.67 ppb
Low riskHigh risk

Pollen Index in Howland Island National Wildlife Refuge, United States

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

Air Quality Forecast in Howland Island National Wildlife Refuge, United States

Sat, December 21
MorningNoonEveningNight
Next day
Next day
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 42 and 50.

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 41.

49
50
48
44
Next day
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.

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
Next day
PM10
0.49 μg/ft3
0.50 μg/ft3
0.48 μg/ft3
0.45 μg/ft3
PM25
1.38 μg/ft3
1.41 μg/ft3
1.36 μg/ft3
1.24 μg/ft3
NO2
N/A
N/A
N/A
N/A
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
10.8 ppb
12 ppb
12.9 ppb
11.1 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 37 and 41.

44
41
39
37
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
0.45 μg/ft3
0.43 μg/ft3
0.40 μg/ft3
0.39 μg/ft3
PM25
1.24 μg/ft3
1.17 μg/ft3
1.09 μg/ft3
1.06 μg/ft3
NO2
N/A
N/A
N/A
N/A
SO2
0.1 ppb
N/A
N/A
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
11.1 ppb
10.2 ppb
9.9 ppb
9.8 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 39 and 41.

38
39
40
40
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
0.40 μg/ft3
0.41 μg/ft3
0.41 μg/ft3
0.41 μg/ft3
PM25
1.08 μg/ft3
1.11 μg/ft3
1.12 μg/ft3
1.13 μg/ft3
NO2
N/A
N/A
N/A
N/A
SO2
0.1 ppb
0.1 ppb
N/A
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
9.1 ppb
9.2 ppb
9.7 ppb
9.6 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 41 and 44.

41
0
0
0
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
-
Not Available
-
Not Available
-
Not Available

Weed

0
-
Not Available
-
Not Available
-
Not Available

Grass

0
-
Not Available
-
Not Available
-
Not Available
PM10
0.42 μg/ft3
N/A
N/A
N/A
PM25
1.15 μg/ft3
N/A
N/A
N/A
NO2
N/A
N/A
N/A
N/A
SO2
0.1 ppb
N/A
N/A
N/A
CO
0.1 ppb
N/A
N/A
N/A
O3
9 ppb
N/A
N/A
N/A