Nearby locations
San Juan, Puerto Rico, United States
Santurce, Puerto Rico, United States
Cataño, Puerto Rico, United States
Nearby popular places
State Government Number One Heliport, United States
Colegio de Arquitectos y Arquitectos Paisajistas de Puerto Rico, United States
Plaza Antonia Quinones, United States

Air Quality in San Juan, Puerto Rico, United States

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Pollutants in San Juan, United States

PM10
0.16 μg/ft3
PM25
Primary Pollutant
0.11 μg/ft3
NO2
0.81 ppb
SO2
1.19 ppb
CO
0.13 ppb
O3
18.31 ppb
Low riskHigh risk

Pollen Index in San Juan, United States

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

Air Quality Forecast in San Juan, United States

Wed, May 1
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 19 and 53.

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 18 and 25.

29
18
24
31
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 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 no 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

0
0
0
1
Next day
PM10
0.18 μg/ft3
0.22 μg/ft3
0.27 μg/ft3
0.30 μg/ft3
PM25
0.10 μg/ft3
0.14 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
NO2
0.46 ppb
1.72 ppb
1.85 ppb
0.47 ppb
SO2
0.36 ppb
0.33 ppb
0.59 ppb
1.23 ppb
CO
0.11 ppb
0.15 ppb
0.16 ppb
0.12 ppb
O3
29.42 ppb
15.36 ppb
16.05 ppb
35.56 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 18 and 25.

24
31
31
24
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
0
0

Weed

0
0
0
0

Grass

0
1
0
0
PM10
0.27 μg/ft3
0.30 μg/ft3
0.27 μg/ft3
0.24 μg/ft3
PM25
0.17 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
NO2
1.85 ppb
0.47 ppb
0.63 ppb
1.29 ppb
SO2
0.59 ppb
1.23 ppb
0.53 ppb
0.39 ppb
CO
0.16 ppb
0.12 ppb
0.13 ppb
0.16 ppb
O3
16.05 ppb
35.56 ppb
30.54 ppb
23.46 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 16 and 33.

17
24
25
22
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
1
1
0
PM10
0.15 μg/ft3
0.17 μg/ft3
0.26 μg/ft3
0.19 μg/ft3
PM25
0.10 μg/ft3
0.11 μg/ft3
0.17 μg/ft3
0.14 μg/ft3
NO2
1.03 ppb
0.28 ppb
0.57 ppb
0.83 ppb
SO2
0.48 ppb
0.34 ppb
0.29 ppb
0.31 ppb
CO
0.15 ppb
0.13 ppb
0.13 ppb
0.14 ppb
O3
19.16 ppb
27.05 ppb
25.1 ppb
20.05 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 18 and 34.

17
0
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
-
Not Available
-
Not Available
-
Not Available

Weed

0
-
Not Available
-
Not Available
-
Not Available

Grass

0
-
Not Available
-
Not Available
-
Not Available
PM10
0.17 μg/ft3
N/A
N/A
N/A
PM25
0.12 μg/ft3
N/A
N/A
N/A
NO2
1.27 ppb
N/A
N/A
N/A
SO2
0.38 ppb
N/A
N/A
N/A
CO
0.15 ppb
N/A
N/A
N/A
O3
12.85 ppb
N/A
N/A
N/A