Nearby locations
San Diego, California, United States
Coronado, California, United States
National City, California, United States
Nearby popular places
America Plaza, United States
Gambit Park, United States
Gaslamp Quarter Historic District, United States

Air Quality in San Diego, California, United States

Pollutants in San Diego, United States

PM10
2.71 μg/ft3
PM25
Primary Pollutant
0.90 μg/ft3
NO2
16.13 ppb
SO2
3.88 ppb
CO
4.5 ppb
O3
18.38 ppb
Low riskHigh risk

Pollen Index in San Diego, United States

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

Air Quality Forecast in San Diego, United States

Wed, February 1
MorningNoonEveningNight
Next day
Next day
AQI

On average, the air quality on this day will be unhealthy for sensitive groups, meaning that members of sensitive groups may experience health effects. The general public is less likely to be affected. According to our index, ranging from 0 to 500, the air quality is going to be between values of 71 and 161.

On average, the air quality on this day will be unhealthy for sensitive groups, meaning that members of sensitive groups may experience health effects. The general public is less likely to be affected. According to our index, ranging from 0 to 500, the air quality is going to be between values of 71 and 158.

152
160
114
146
Next day
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 no 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 no risk.

Tree

1
1
1
1

Weed

0
0
0
0

Grass

0
0
0
0
Next day
PM10
2.78 μg/ft3
2.95 μg/ft3
1.56 μg/ft3
1.90 μg/ft3
PM25
1.93 μg/ft3
2.06 μg/ft3
1.09 μg/ft3
1.32 μg/ft3
NO2
75.81 ppb
59.79 ppb
20.66 ppb
63.65 ppb
SO2
6.47 ppb
7.88 ppb
5.4 ppb
3.94 ppb
CO
0.79 ppb
1.53 ppb
1.11 ppb
0.64 ppb
O3
12.84 ppb
N/A
0.08 ppb
36.29 ppb
AQI

On average, the air quality on this day will be unhealthy for sensitive groups, meaning that members of sensitive groups may experience health effects. The general public is less likely to be affected. According to our index, ranging from 0 to 500, the air quality is going to be between values of 71 and 158.

114
146
74
112
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 no risk.

Tree

1
1
0
1

Weed

0
0
0
0

Grass

0
0
0
0
PM10
1.56 μg/ft3
1.90 μg/ft3
0.82 μg/ft3
1.85 μg/ft3
PM25
1.09 μg/ft3
1.32 μg/ft3
0.56 μg/ft3
1.29 μg/ft3
NO2
20.66 ppb
63.65 ppb
43.28 ppb
40.95 ppb
SO2
5.4 ppb
3.94 ppb
2.26 ppb
5.22 ppb
CO
1.11 ppb
0.64 ppb
0.36 ppb
1.14 ppb
O3
0.08 ppb
36.29 ppb
13.11 ppb
0.01 ppb
AQI

On average, the air quality on this day will be unhealthy for sensitive groups, meaning that members of sensitive groups may experience health effects. The general public is less likely to be affected. According to our index, ranging from 0 to 500, the air quality is going to be between values of 90 and 152.

109
128
92
151
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 no risk.

Tree

1
1
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
1.54 μg/ft3
1.65 μg/ft3
1.35 μg/ft3
2.51 μg/ft3
PM25
1.07 μg/ft3
1.14 μg/ft3
0.93 μg/ft3
1.74 μg/ft3
NO2
30.93 ppb
68.58 ppb
50.63 ppb
59.14 ppb
SO2
5.22 ppb
4.31 ppb
3.82 ppb
7.79 ppb
CO
1.09 ppb
0.65 ppb
0.59 ppb
1.21 ppb
O3
0.18 ppb
58.87 ppb
18.54 ppb
0.03 ppb