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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 15 Followers • 14:00, Jun 26

8

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

1.6 µg/m³

weather condition icon

15°

wind direction icon

16 km/h

weather humid icon

91 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

8

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

16

km/h

Humidity icon

91%

15:00

9

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

16

km/h

Humidity icon

94%

16:00

10

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

18

km/h

Humidity icon

95%

17:00

12

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

17

km/h

Humidity icon

96%

18:00

13

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

17

km/h

Humidity icon

97%

19:00

13

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

17

km/h

Humidity icon

98%

20:00

15

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

17

km/h

Humidity icon

99%

21:00

14

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

16

km/h

Humidity icon

99%

22:00

14

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

14

km/h

Humidity icon

99%

23:00

14

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

14

km/h

Humidity icon

99%

Sat

00:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

15

km/h

Humidity icon

99%

01:00

16

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

17

km/h

Humidity icon

99%

02:00

18

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

17

km/h

Humidity icon

99%

03:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

17

km/h

Humidity icon

99%

04:00

17

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

16

km/h

Humidity icon

99%

05:00

17

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

12

km/h

Humidity icon

99%

06:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

16

km/h

Humidity icon

99%

07:00

20

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

14

km/h

Humidity icon

99%

08:00

22

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

13

km/h

Humidity icon

99%

09:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

12

km/h

Humidity icon

99%

10:00

18

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

15

km/h

Humidity icon

99%

11:00

16

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

16

km/h

Humidity icon

99%

12:00

15

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

17

km/h

Humidity icon

97%

13:00

14

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

18

km/h

Humidity icon

98%

14:00

14

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

18

km/h

Humidity icon

97%

15:00

14

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

19

km/h

Humidity icon

98%

16:00

15

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

20

km/h

Humidity icon

98%

17:00

16

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

22

km/h

Humidity icon

99%

18:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

22

km/h

Humidity icon

99%

19:00

19

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

22

km/h

Humidity icon

99%

20:00

21

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

23

km/h

Humidity icon

99%

21:00

23

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

23

km/h

Humidity icon

99%

22:00

25

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

21

km/h

Humidity icon

99%

23:00

27

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

20

km/h

Humidity icon

99%

Sun

00:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

20

km/h

Humidity icon

99%

01:00

27

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

21

km/h

Humidity icon

99%

02:00

27

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

21

km/h

Humidity icon

99%

03:00

28

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

20

km/h

Humidity icon

99%

04:00

30

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

18

km/h

Humidity icon

99%

05:00

32

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

14

km/h

Humidity icon

99%

06:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

10

km/h

Humidity icon

99%

07:00

31

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

10

km/h

Humidity icon

99%

08:00

31

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

9

km/h

Humidity icon

99%

09:00

31

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

7

km/h

Humidity icon

99%

10:00

31

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

4

km/h

Humidity icon

98%

11:00

31

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

8

km/h

Humidity icon

89%

12:00

30

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

9

km/h

Humidity icon

86%

13:00

29

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

13

km/h

Humidity icon

80%

14:00

29

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

15

km/h

Humidity icon

78%

15:00

28

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

17

km/h

Humidity icon

81%

16:00

28

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

19

km/h

Humidity icon

87%

17:00

28

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

18

km/h

Humidity icon

95%

18:00

27

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

13

km/h

Humidity icon

68%

19:00

26

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

11

km/h

Humidity icon

71%

20:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

10

km/h

Humidity icon

83%

21:00

24

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

9

km/h

Humidity icon

96%

22:00

23

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

10

km/h

Humidity icon

92%

23:00

22

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

11

km/h

Humidity icon

88%

Mon

00:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

11

km/h

Humidity icon

86%

01:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

12

km/h

Humidity icon

84%

02:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

14

km/h

Humidity icon

83%

03:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

16

km/h

Humidity icon

83%

04:00

22

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

14

km/h

Humidity icon

84%

05:00

24

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

14

km/h

Humidity icon

84%

06:00

23

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

15

km/h

Humidity icon

85%

07:00

23

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

14

km/h

Humidity icon

86%

08:00

23

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

12

km/h

Humidity icon

83%

09:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

13

km/h

Humidity icon

77%

10:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

12

km/h

Humidity icon

76%

11:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

10

km/h

Humidity icon

81%

12:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

10

km/h

Humidity icon

78%

13:00

14

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

10

km/h

Humidity icon

71%

Daily forecast

|

San Mateo County air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in San Mateo County?

IQAir Check icon

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

air quality map

Real-time San Mateo County air pollution map

Health recommendations

Pollen

What is the pollen count in San Mateo County today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in San Mateo County

Health recommendations

air quality map

Real-time San Mateo County air pollution map

Pollen

What is the pollen count in San Mateo County today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in San Mateo County

Most polluted locations near San Mateo County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in San Mateo County

#StationsAQI⁺ US
1
The national flag of USA

Arlington Way

18

2
The national flag of USA

265 Old Spanish Trail

13

3
The national flag of USA

Cerrito Avenue

12

4
The national flag of USA

Alberta Glen

10

5
The national flag of USA

Dirt Alpine

8

6
The national flag of USA

Alexander Avenue

7

7
The national flag of USA

Burlingame Hills

6

8
The national flag of USA

480 Tunitas Creek Road

5

9
The national flag of USA

920 Bear Gulch Road

4

10
The national flag of USA

Alpine Road

2

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Arlington, Virginia

115

2
The national flag of USA

Fort Collins, Colorado

105

3
The national flag of USA

Indio, California

103

4
The national flag of USA

Jefferson, Colorado

102

5
The national flag of USA

Loveland, Colorado

102

6
The national flag of USA

Santa Clarita, California

101

7
The national flag of USA

Weld, Colorado

101

8
The national flag of USA

Boulder, Colorado

98

9
The national flag of USA

Clark, Nevada

98

10
The national flag of USA

Washington D.C., District of Columbia

98

History

Historic air quality graph for San Mateo County

8 AQI⁺ US
Good
13:00–14:00 Jun 26 
AQI⁺ US

History

Historic air quality graph for San Mateo County

8 AQI⁺ US
Good
13:00–14:00 Jun 26 
AQI⁺ US

Most polluted locations near San Mateo County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in San Mateo County

#StationsAQI⁺ US
1
The national flag of USA

Arlington Way

18

2
The national flag of USA

265 Old Spanish Trail

13

3
The national flag of USA

Cerrito Avenue

12

4
The national flag of USA

Alberta Glen

10

5
The national flag of USA

Dirt Alpine

8

6
The national flag of USA

Alexander Avenue

7

7
The national flag of USA

Burlingame Hills

6

8
The national flag of USA

480 Tunitas Creek Road

5

9
The national flag of USA

920 Bear Gulch Road

4

10
The national flag of USA

Alpine Road

2

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Arlington, Virginia

115

2
The national flag of USA

Fort Collins, Colorado

105

3
The national flag of USA

Indio, California

103

4
The national flag of USA

Jefferson, Colorado

102

5
The national flag of USA

Loveland, Colorado

102

6
The national flag of USA

Santa Clarita, California

101

7
The national flag of USA

Weld, Colorado

101

8
The national flag of USA

Boulder, Colorado

98

9
The national flag of USA

Clark, Nevada

98

10
The national flag of USA

Washington D.C., District of Columbia

98

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