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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 21 Followers • 02:00, Oct 06 Local time

Roberto RodrigalioFresno EddyM. S.Anonymous contributor

27

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

5 µg/m³

weather condition icon

25°

wind direction icon

3 km/h

weather humid icon

36 %

Roberto RodrigalioFresno EddyM. S.Anonymous contributor

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

27

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

3

km/h

Humidity icon

36%

03:00

29

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25°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

3

km/h

Humidity icon

33%

04:00

31

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

3

km/h

Humidity icon

31%

05:00

32

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25°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

3

km/h

Humidity icon

31%

06:00

34

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25°

IQAir AirVisual Air Quality Map Wind rotating 62 degree

2

km/h

Humidity icon

31%

07:00

35

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

2

km/h

Humidity icon

32%

08:00

40

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25°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

2

km/h

Humidity icon

35%

09:00

42

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

2

km/h

Humidity icon

38%

10:00

44

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

2

km/h

Humidity icon

50%

11:00

47

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

3

km/h

Humidity icon

46%

12:00

49

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28°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

4

km/h

Humidity icon

43%

13:00

51

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29°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

5

km/h

Humidity icon

40%

14:00

51

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

5

km/h

Humidity icon

36%

15:00

51

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29°

IQAir AirVisual Air Quality Map Wind rotating 339 degree

6

km/h

Humidity icon

30%

16:00

51

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 338 degree

6

km/h

Humidity icon

30%

17:00

34

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

5

km/h

Humidity icon

29%

18:00

34

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27°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

4

km/h

Humidity icon

29%

19:00

34

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

3

km/h

Humidity icon

30%

20:00

37

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

2

km/h

Humidity icon

32%

21:00

37

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 5 degree

3

km/h

Humidity icon

28%

22:00

37

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

4

km/h

Humidity icon

28%

23:00

34

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

3

km/h

Humidity icon

27%

Wed

00:00

34

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

3

km/h

Humidity icon

24%

01:00

34

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

3

km/h

Humidity icon

24%

02:00

31

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 13 degree

3

km/h

Humidity icon

25%

03:00

31

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

3

km/h

Humidity icon

24%

04:00

31

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

3

km/h

Humidity icon

24%

05:00

28

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

2

km/h

Humidity icon

23%

06:00

28

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

2

km/h

Humidity icon

22%

07:00

28

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

2

km/h

Humidity icon

22%

08:00

32

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

2

km/h

Humidity icon

23%

09:00

32

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 13 degree

2

km/h

Humidity icon

24%

10:00

32

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 354 degree

3

km/h

Humidity icon

32%

11:00

41

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

4

km/h

Humidity icon

24%

12:00

41

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

5

km/h

Humidity icon

23%

13:00

41

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

6

km/h

Humidity icon

25%

14:00

52

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

6

km/h

Humidity icon

26%

15:00

52

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27°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

6

km/h

Humidity icon

28%

16:00

52

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

6

km/h

Humidity icon

27%

17:00

42

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26°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

5

km/h

Humidity icon

26%

18:00

42

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25°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

4

km/h

Humidity icon

26%

19:00

42

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

2

km/h

Humidity icon

24%

20:00

40

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23°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

2

km/h

Humidity icon

20%

21:00

40

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23°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

2

km/h

Humidity icon

20%

22:00

40

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23°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

2

km/h

Humidity icon

19%

23:00

42

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23°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

1

km/h

Humidity icon

19%

Thu

00:00

42

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23°

IQAir AirVisual Air Quality Map Wind rotating 337 degree

2

km/h

Humidity icon

19%

01:00

42

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23°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

1

km/h

Humidity icon

21%

02:00

52

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

1

km/h

Humidity icon

22%

03:00

52

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 17 degree

1

km/h

Humidity icon

22%

04:00

52

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 25 degree

1

km/h

Humidity icon

21%

05:00

38

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

1

km/h

Humidity icon

24%

06:00

38

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

2

km/h

Humidity icon

57%

07:00

38

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 95 degree

4

km/h

Humidity icon

52%

08:00

43

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

3

km/h

Humidity icon

46%

09:00

43

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

2

km/h

Humidity icon

34%

10:00

43

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

2

km/h

Humidity icon

27%

11:00

36

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

3

km/h

Humidity icon

23%

12:00

36

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

6

km/h

Humidity icon

23%

13:00

36

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

8

km/h

Humidity icon

23%

14:00

37

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

10

km/h

Humidity icon

24%

15:00

37

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

10

km/h

Humidity icon

27%

16:00

37

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

8

km/h

Humidity icon

30%

17:00

36

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

7

km/h

Humidity icon

41%

18:00

36

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

6

km/h

Humidity icon

57%

19:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

5

km/h

Humidity icon

80%

20:00

40

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

4

km/h

Humidity icon

83%

21:00

40

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

3

km/h

Humidity icon

80%

22:00

40

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

3

km/h

Humidity icon

73%

23:00

38

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

3

km/h

Humidity icon

66%

Fri

00:00

38

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

4

km/h

Humidity icon

70%

01:00

38

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

4

km/h

Humidity icon

77%

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

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
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

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

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

Belle Roche Court

32

2
The national flag of USA

920 Bear Gulch Road

31

3
The national flag of USA

Alpine Road

31

4
The national flag of USA

265 Old Spanish Trail

30

5
The national flag of USA

Dirt Alpine

29

6
The national flag of USA

Burlingame Hills

28

7
The national flag of USA

Bear Gulch Road

24

8
The national flag of USA

Arlington Way

23

9
The national flag of USA

480 Tunitas Creek Road

19

10
The national flag of USA

Alexander Avenue

7

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Swain County, North Carolina

78

2
The national flag of USA

Fresno County, California

74

3
The national flag of USA

Madera, California

71

4
The national flag of USA

Sitka, Alaska

71

5
The national flag of USA

Bakersfield, California

63

6
The national flag of USA

St. Louis, Missouri

63

7
The national flag of USA

Bonney Lake, Washington

62

8
The national flag of USA

Glenn, California

62

9
The national flag of USA

Macon-Bibb County, Georgia

62

10
The national flag of USA

Clovis, California

61

History

Historic air quality graph for San Mateo County

27 AQI⁺ US
Good
01:00–02:00 Oct 06 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

27 AQI⁺ US
Good
01:00–02:00 Oct 06 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

Belle Roche Court

32

2
The national flag of USA

920 Bear Gulch Road

31

3
The national flag of USA

Alpine Road

31

4
The national flag of USA

265 Old Spanish Trail

30

5
The national flag of USA

Dirt Alpine

29

6
The national flag of USA

Burlingame Hills

28

7
The national flag of USA

Bear Gulch Road

24

8
The national flag of USA

Arlington Way

23

9
The national flag of USA

480 Tunitas Creek Road

19

10
The national flag of USA

Alexander Avenue

7

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Swain County, North Carolina

78

2
The national flag of USA

Fresno County, California

74

3
The national flag of USA

Madera, California

71

4
The national flag of USA

Sitka, Alaska

71

5
The national flag of USA

Bakersfield, California

63

6
The national flag of USA

St. Louis, Missouri

63

7
The national flag of USA

Bonney Lake, Washington

62

8
The national flag of USA

Glenn, California

62

9
The national flag of USA

Macon-Bibb County, Georgia

62

10
The national flag of USA

Clovis, California

61

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