Nearby locations
Alfena, Porto District, Portugal
Água Longa, Porto District, Portugal
Ermesinde, Porto District, Portugal
Nearby popular places
Miradouro Monte Sao Miguel-o-Anjo, Portugal
Palacete do Mesquita, Portugal
Parque Urbano Dr. Fernando de Melo, Portugal

Air Quality in Alfena, Porto District, Portugal

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Pollutants in Alfena, Portugal

PM10
1.00 μg/ft3
PM25
Primary Pollutant
0.58 μg/ft3
NO2
3.38 ppb
SO2
5.5 ppb
CO
65.5 ppb
O3
51.5 ppb
Low riskHigh risk

Pollen Index in Alfena, Portugal

Tree
3/5
012345
Weed
0/5
012345
Grass
1/5
012345

Air Quality Forecast in Alfena, Portugal

Mon, April 15
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 21 and 65.

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 48 and 65.

33
51
65
53
Next day
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 very low risk.

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

5
3
2
0

Weed

0
0
0
0

Grass

1
1
1
1
Next day
PM10
0.25 μg/ft3
0.62 μg/ft3
0.80 μg/ft3
0.52 μg/ft3
PM25
0.17 μg/ft3
0.43 μg/ft3
0.56 μg/ft3
0.34 μg/ft3
NO2
1.57 ppb
3.85 ppb
9.71 ppb
4.46 ppb
SO2
1.35 ppb
2.43 ppb
3.66 ppb
2.34 ppb
CO
0.13 ppb
0.15 ppb
0.17 ppb
0.13 ppb
O3
40.57 ppb
55.06 ppb
30.34 ppb
23.36 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 48 and 65.

53
48
0
0
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
1
-
Not Available
-
Not Available

Weed

0
0
-
Not Available
-
Not Available

Grass

1
1
-
Not Available
-
Not Available
PM10
0.52 μg/ft3
0.66 μg/ft3
N/A
N/A
PM25
0.34 μg/ft3
0.32 μg/ft3
N/A
N/A
NO2
4.46 ppb
1.97 ppb
N/A
N/A
SO2
2.34 ppb
1.46 ppb
N/A
N/A
CO
0.13 ppb
0.13 ppb
N/A
N/A
O3
23.36 ppb
44.69 ppb
N/A
N/A