Nearby locations
Porto, Porto District, Portugal
Vila Nova de Gaia, Porto District, Portugal
Oliveira do Douro, Porto District, Portugal
Nearby popular places
Antigo Palacio dos Constantinos, Portugal
Palacio dos Maias, Portugal
Clerigos Tower, Portugal

Air Quality in Antigo Palacio dos Constantinos, Portugal

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Pollutants in Antigo Palacio dos Constantinos, Portugal

PM10
1.43 μg/ft3
PM25
Primary Pollutant
2.03 μg/ft3
NO2
2.32 ppb
SO2
1.12 ppb
CO
0.1 ppb
O3
26.24 ppb
Low riskHigh risk

Pollen Index in Antigo Palacio dos Constantinos, Portugal

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

Air Quality Forecast in Antigo Palacio dos Constantinos, Portugal

Tue, December 17
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 36 and 85.

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 34.

37
39
36
26
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
0.26 μg/ft3
0.14 μg/ft3
0.12 μg/ft3
0.14 μg/ft3
PM25
0.75 μg/ft3
0.43 μg/ft3
0.44 μg/ft3
0.54 μg/ft3
NO2
0.6 ppb
1.2 ppb
2.5 ppb
2.6 ppb
SO2
0.5 ppb
0.6 ppb
1 ppb
0.9 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
36.6 ppb
39 ppb
35.7 ppb
25.8 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 23 and 34.

26
27
32
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
0.14 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
0.17 μg/ft3
PM25
0.54 μg/ft3
0.50 μg/ft3
0.48 μg/ft3
0.68 μg/ft3
NO2
2.6 ppb
1.7 ppb
3.2 ppb
4.2 ppb
SO2
0.9 ppb
1.3 ppb
1.3 ppb
1.2 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
O3
25.8 ppb
26.8 ppb
32.3 ppb
26.7 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 24 and 34.

24
27
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
0
-
Not Available
-
Not Available

Weed

0
0
-
Not Available
-
Not Available

Grass

0
0
-
Not Available
-
Not Available
PM10
0.16 μg/ft3
0.16 μg/ft3
N/A
N/A
PM25
0.65 μg/ft3
0.64 μg/ft3
N/A
N/A
NO2
2.7 ppb
1.9 ppb
N/A
N/A
SO2
0.9 ppb
1.3 ppb
N/A
N/A
CO
0.2 ppb
0.1 ppb
N/A
N/A
O3
23.8 ppb
26.6 ppb
N/A
N/A