Nearby locations
Yatsushiro Shi, Kumamoto Prefecture, Japan
Honmachi, Kumamoto Prefecture, Japan
Uki Shi, Kumamoto Prefecture, Japan
Nearby popular places
Happo Zan, Japan
Ryuho Zan, Japan
Hatcho Zan, Japan

Air Quality in Happo Zan, Japan

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Pollutants in Happo Zan, Japan

PM10
0.12 μg/ft3
PM25
0.11 μg/ft3
NO2
4.9 ppb
SO2
0.9 ppb
CO
0.2 ppb
O3
Primary Pollutant
50.5 ppb
Low riskHigh risk

Pollen Index in Happo Zan, Japan

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

Air Quality Forecast in Happo Zan, Japan

Thu, May 1
MorningNoonEveningNight
Next day
Next day
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 44 and 59.

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 57 and 84.

58
59
62
58
Next day
Pollen

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

Tree

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Weed

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Grass

-
Not Available
-
Not Available
-
Not Available
-
Not Available
Next day
PM10
0.46 μg/ft3
0.44 μg/ft3
0.49 μg/ft3
0.67 μg/ft3
PM25
0.35 μg/ft3
0.38 μg/ft3
0.42 μg/ft3
0.37 μg/ft3
NO2
3.5 ppb
7 ppb
7.9 ppb
3.3 ppb
SO2
1.7 ppb
2.2 ppb
1.7 ppb
2.1 ppb
CO
0.3 ppb
0.3 ppb
0.4 ppb
0.3 ppb
O3
64.4 ppb
48.9 ppb
31.9 ppb
63.4 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 57 and 84.

62
58
67
84
Pollen

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

Tree

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Weed

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Grass

-
Not Available
-
Not Available
-
Not Available
-
Not Available
PM10
0.49 μg/ft3
0.67 μg/ft3
0.99 μg/ft3
0.92 μg/ft3
PM25
0.42 μg/ft3
0.37 μg/ft3
0.50 μg/ft3
0.75 μg/ft3
NO2
7.9 ppb
3.3 ppb
11.4 ppb
15.8 ppb
SO2
1.7 ppb
2.1 ppb
3.7 ppb
3 ppb
CO
0.4 ppb
0.3 ppb
0.4 ppb
0.5 ppb
O3
31.9 ppb
63.4 ppb
68.2 ppb
34.3 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 51 and 83.

64
55
55
72
Pollen

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

Tree

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Weed

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Grass

-
Not Available
-
Not Available
-
Not Available
-
Not Available
PM10
0.75 μg/ft3
0.38 μg/ft3
0.37 μg/ft3
0.62 μg/ft3
PM25
0.44 μg/ft3
0.29 μg/ft3
0.31 μg/ft3
0.57 μg/ft3
NO2
6 ppb
1.4 ppb
3.2 ppb
15.3 ppb
SO2
2 ppb
1.1 ppb
1.1 ppb
2.2 ppb
CO
0.3 ppb
0.2 ppb
0.2 ppb
0.4 ppb
O3
45.1 ppb
60 ppb
61.2 ppb
29.4 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 55 and 77.

69
0
0
0
Pollen

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

Tree

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Weed

-
Not Available
-
Not Available
-
Not Available
-
Not Available

Grass

-
Not Available
-
Not Available
-
Not Available
-
Not Available
PM10
0.57 μg/ft3
N/A
N/A
N/A
PM25
0.53 μg/ft3
N/A
N/A
N/A
NO2
9.2 ppb
N/A
N/A
N/A
SO2
1.1 ppb
N/A
N/A
N/A
CO
0.4 ppb
N/A
N/A
N/A
O3
15.7 ppb
N/A
N/A
N/A