Nearby locations
Leiden, South Holland, Netherlands
Gemeente Leiden, South Holland, Netherlands
Hoge Mors, South Holland, Netherlands
Nearby popular places
Burcht van Leiden, Netherlands
Gravensteen, Netherlands
Leidse Hout, Netherlands
MODERATE FLOODING WARNING
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Air Quality in Leiden, South Holland, Netherlands

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Pollutants in Leiden, Netherlands

PM10
0.11 μg/ft3
PM25
0.10 μg/ft3
NO2
1.3 ppb
SO2
0.5 ppb
CO
0.2 ppb
O3
Primary Pollutant
35.2 ppb
Low riskHigh risk

Pollen Index in Leiden, Netherlands

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

Air Quality Forecast in Leiden, Netherlands

Thu, March 6
MorningNoonEveningNight
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 59 and 71.

69
70
65
63
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
0.53 μg/ft3
0.56 μg/ft3
0.48 μg/ft3
0.46 μg/ft3
PM25
0.53 μg/ft3
0.54 μg/ft3
0.46 μg/ft3
0.44 μg/ft3
NO2
2.7 ppb
2.7 ppb
3.4 ppb
5.1 ppb
SO2
1.5 ppb
1.5 ppb
1.4 ppb
1.3 ppb
CO
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
O3
38.4 ppb
32.8 ppb
46.4 ppb
34.6 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 59 and 81.

68
61
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
0.63 μg/ft3
0.40 μg/ft3
N/A
N/A
PM25
0.51 μg/ft3
0.40 μg/ft3
N/A
N/A
NO2
5.1 ppb
4.3 ppb
N/A
N/A
SO2
1.1 ppb
1.2 ppb
N/A
N/A
CO
0.2 ppb
0.2 ppb
N/A
N/A
O3
21.8 ppb
24.7 ppb
N/A
N/A