Nearby locations
Colombo, Western Province, Sri Lanka
Kolonnawa, Western Province, Sri Lanka
Peliyagoda, Western Province, Sri Lanka
Nearby popular places
Colombo Lighthouse (historical), Sri Lanka
Beira Lake, Sri Lanka
Price Park, Sri Lanka

Air Quality in Colombo, Western Province, Sri Lanka

To view the map, please use a browser that supports WebGL.

Pollutants in Colombo, Sri Lanka

PM10
0.38 μg/ft3
PM25
Primary Pollutant
0.28 μg/ft3
NO2
6.13 ppb
SO2
5.88 ppb
CO
5.13 ppb
O3
28.31 ppb
Low riskHigh risk

Pollen Index in Colombo, Sri Lanka

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

Air Quality Forecast in Colombo, Sri Lanka

Sat, May 11
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 24 and 48.

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 26 and 63.

35
31
36
63
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 very low 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 no risk. There's very low risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

0
0
0
0

Weed

1
0
0
0

Grass

1
1
1
1
Next day
PM10
0.39 μg/ft3
0.32 μg/ft3
0.43 μg/ft3
0.89 μg/ft3
PM25
0.24 μg/ft3
0.20 μg/ft3
0.27 μg/ft3
0.60 μg/ft3
NO2
0.91 ppb
3.03 ppb
5.25 ppb
9.67 ppb
SO2
0.78 ppb
0.63 ppb
0.84 ppb
2.8 ppb
CO
0.12 ppb
0.14 ppb
0.17 ppb
0.26 ppb
O3
35.56 ppb
21.37 ppb
12.36 ppb
9.51 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 26 and 63.

63
41
27
36
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 very low risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

1
1
1
1
PM10
0.89 μg/ft3
0.45 μg/ft3
0.26 μg/ft3
0.43 μg/ft3
PM25
0.60 μg/ft3
0.27 μg/ft3
0.16 μg/ft3
0.27 μg/ft3
NO2
9.67 ppb
1.07 ppb
2.99 ppb
7.88 ppb
SO2
2.8 ppb
1.02 ppb
0.65 ppb
1.24 ppb
CO
0.26 ppb
0.13 ppb
0.14 ppb
0.21 ppb
O3
9.51 ppb
34.78 ppb
19.51 ppb
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 24 and 60.

60
43
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 very low risk.

Tree

0
0
-
Not Available
-
Not Available

Weed

0
0
-
Not Available
-
Not Available

Grass

1
0
-
Not Available
-
Not Available
PM10
0.80 μg/ft3
0.45 μg/ft3
N/A
N/A
PM25
0.53 μg/ft3
0.28 μg/ft3
N/A
N/A
NO2
9.3 ppb
2.27 ppb
N/A
N/A
SO2
2.53 ppb
2.69 ppb
N/A
N/A
CO
0.27 ppb
0.14 ppb
N/A
N/A
O3
7.34 ppb
36.15 ppb
N/A
N/A