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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 22 Followers • 17:00, Oct 13 Local time

Roberto RodrigalioFresno EddyM. S.Anonymous contributor

24

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

4.3 µg/m³

weather condition icon

17°

wind direction icon

13 km/h

weather humid icon

45 %

Roberto RodrigalioFresno EddyM. S.Anonymous contributor

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

24

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

13

km/h

Humidity icon

45%

18:00

25

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15°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

10

km/h

Humidity icon

50%

19:00

25

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14°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

8

km/h

Humidity icon

51%

20:00

27

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

5

km/h

Humidity icon

46%

21:00

27

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14°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

4

km/h

Humidity icon

44%

22:00

28

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

2

km/h

Humidity icon

40%

23:00

29

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

2

km/h

Humidity icon

38%

Wed

00:00

28

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 142 degree

2

km/h

Humidity icon

32%

01:00

27

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

1

km/h

Humidity icon

26%

02:00

26

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

1

km/h

Humidity icon

25%

03:00

27

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15°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

1

km/h

Humidity icon

28%

04:00

28

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

2

km/h

Humidity icon

30%

05:00

30

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 76 degree

1

km/h

Humidity icon

33%

06:00

31

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

1

km/h

Humidity icon

35%

07:00

32

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

1

km/h

Humidity icon

35%

08:00

33

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

2

km/h

Humidity icon

33%

09:00

32

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

1

km/h

Humidity icon

42%

10:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 17 degree

0

km/h

Humidity icon

44%

11:00

32

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19°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

2

km/h

Humidity icon

47%

12:00

30

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

3

km/h

Humidity icon

45%

13:00

28

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

4

km/h

Humidity icon

45%

14:00

27

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

5

km/h

Humidity icon

42%

15:00

27

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 331 degree

5

km/h

Humidity icon

39%

16:00

27

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21°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

4

km/h

Humidity icon

37%

17:00

28

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

3

km/h

Humidity icon

40%

18:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

2

km/h

Humidity icon

44%

19:00

28

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

1

km/h

Humidity icon

40%

20:00

28

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

2

km/h

Humidity icon

28%

21:00

26

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

2

km/h

Humidity icon

21%

22:00

24

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

3

km/h

Humidity icon

19%

23:00

23

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

1

km/h

Humidity icon

17%

Thu

00:00

21

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 23 degree

2

km/h

Humidity icon

17%

01:00

20

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17°

IQAir AirVisual Air Quality Map Wind rotating 38 degree

2

km/h

Humidity icon

16%

02:00

19

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17°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

3

km/h

Humidity icon

17%

03:00

20

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17°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

4

km/h

Humidity icon

18%

04:00

22

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17°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

4

km/h

Humidity icon

20%

05:00

24

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17°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

3

km/h

Humidity icon

22%

06:00

25

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18°

IQAir AirVisual Air Quality Map Wind rotating 66 degree

5

km/h

Humidity icon

21%

07:00

26

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18°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

5

km/h

Humidity icon

25%

08:00

27

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19°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

7

km/h

Humidity icon

24%

09:00

27

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19°

IQAir AirVisual Air Quality Map Wind rotating 78 degree

7

km/h

Humidity icon

26%

10:00

28

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21°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

7

km/h

Humidity icon

29%

11:00

29

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23°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

7

km/h

Humidity icon

17%

12:00

29

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

8

km/h

Humidity icon

13%

13:00

30

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25°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

8

km/h

Humidity icon

12%

14:00

31

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

7

km/h

Humidity icon

13%

15:00

29

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25°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

8

km/h

Humidity icon

13%

16:00

27

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25°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

10

km/h

Humidity icon

12%

17:00

26

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

10

km/h

Humidity icon

14%

18:00

26

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22°

IQAir AirVisual Air Quality Map Wind rotating 337 degree

8

km/h

Humidity icon

24%

19:00

26

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18°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

6

km/h

Humidity icon

34%

20:00

27

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17°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

4

km/h

Humidity icon

36%

21:00

28

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

1

km/h

Humidity icon

36%

22:00

30

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17°

IQAir AirVisual Air Quality Map Wind rotating 196 degree

1

km/h

Humidity icon

34%

23:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 182 degree

3

km/h

Humidity icon

33%

Fri

00:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

5

km/h

Humidity icon

31%

01:00

32

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

4

km/h

Humidity icon

32%

02:00

33

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

6

km/h

Humidity icon

31%

03:00

32

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17°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

7

km/h

Humidity icon

29%

04:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

8

km/h

Humidity icon

29%

05:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

8

km/h

Humidity icon

30%

06:00

34

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

8

km/h

Humidity icon

30%

07:00

37

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

8

km/h

Humidity icon

30%

08:00

40

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

8

km/h

Humidity icon

30%

09:00

38

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

7

km/h

Humidity icon

23%

10:00

36

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

7

km/h

Humidity icon

18%

11:00

34

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

6

km/h

Humidity icon

15%

12:00

35

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 5 degree

5

km/h

Humidity icon

13%

13:00

37

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

5

km/h

Humidity icon

13%

14:00

39

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

5

km/h

Humidity icon

13%

15:00

37

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

5

km/h

Humidity icon

13%

16:00

35

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

6

km/h

Humidity icon

13%

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

Protect yourself from air pollution in San Mateo County

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Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in San Mateo County today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

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

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in San Mateo County

Protect yourself from air pollution in San Mateo County

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

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

920 Bear Gulch Road

19

2
The national flag of USA

Arlington Way

18

3
The national flag of USA

Belle Roche Court

18

4
The national flag of USA

Alpine Road

17

5
The national flag of USA

Cerrito Avenue

17

6
The national flag of USA

Dirt Alpine

17

7
The national flag of USA

265 Old Spanish Trail

16

8
The national flag of USA

Burlingame Hills

16

9
The national flag of USA

480 Tunitas Creek Road

9

10
The national flag of USA

Alexander Avenue

9

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Barrington Hills, Illinois

81

2
The national flag of USA

Washington County, Kentucky

81

3
The national flag of USA

Erie County, New York

75

4
The national flag of USA

Albany, Georgia

74

5
The national flag of USA

Baton Rouge, Louisiana

72

6
The national flag of USA

Pascagoula, Mississippi

68

7
The national flag of USA

Winston-Salem, North Carolina

65

8
The national flag of USA

Ester, Alaska

64

9
The national flag of USA

Forsyth County, Georgia

62

10
The national flag of USA

Milton, Georgia

62

History

Historic air quality graph for San Mateo County

24 AQI⁺ US
Good
16:00–17:00 Oct 13 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

24 AQI⁺ US
Good
16:00–17:00 Oct 13 Local time
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

920 Bear Gulch Road

19

2
The national flag of USA

Arlington Way

18

3
The national flag of USA

Belle Roche Court

18

4
The national flag of USA

Alpine Road

17

5
The national flag of USA

Cerrito Avenue

17

6
The national flag of USA

Dirt Alpine

17

7
The national flag of USA

265 Old Spanish Trail

16

8
The national flag of USA

Burlingame Hills

16

9
The national flag of USA

480 Tunitas Creek Road

9

10
The national flag of USA

Alexander Avenue

9

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Barrington Hills, Illinois

81

2
The national flag of USA

Washington County, Kentucky

81

3
The national flag of USA

Erie County, New York

75

4
The national flag of USA

Albany, Georgia

74

5
The national flag of USA

Baton Rouge, Louisiana

72

6
The national flag of USA

Pascagoula, Mississippi

68

7
The national flag of USA

Winston-Salem, North Carolina

65

8
The national flag of USA

Ester, Alaska

64

9
The national flag of USA

Forsyth County, Georgia

62

10
The national flag of USA

Milton, Georgia

62

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