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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 24 Followers • 11:00, Nov 05 Local time

13

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

2.4 µg/m³

weather condition icon

18°

wind direction icon

5 km/h

weather humid icon

54 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

13

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

5

km/h

Humidity icon

54%

12:00

14

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

7

km/h

Humidity icon

44%

13:00

15

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

5

km/h

Humidity icon

40%

14:00

16

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

7

km/h

Humidity icon

38%

15:00

18

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

6

km/h

Humidity icon

37%

16:00

19

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

6

km/h

Humidity icon

45%

17:00

22

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

10

km/h

Humidity icon

62%

18:00

24

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

8

km/h

Humidity icon

74%

19:00

28

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

7

km/h

Humidity icon

83%

20:00

30

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

3

km/h

Humidity icon

85%

21:00

33

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

5

km/h

Humidity icon

86%

22:00

37

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

4

km/h

Humidity icon

90%

23:00

37

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

4

km/h

Humidity icon

91%

Fri

00:00

35

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

4

km/h

Humidity icon

91%

01:00

33

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

2

km/h

Humidity icon

91%

02:00

30

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

2

km/h

Humidity icon

91%

03:00

28

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

3

km/h

Humidity icon

90%

04:00

26

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

3

km/h

Humidity icon

88%

05:00

24

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 92 degree

2

km/h

Humidity icon

86%

06:00

23

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

4

km/h

Humidity icon

82%

07:00

22

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

5

km/h

Humidity icon

80%

08:00

22

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

4

km/h

Humidity icon

69%

09:00

22

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

5

km/h

Humidity icon

58%

10:00

22

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

5

km/h

Humidity icon

48%

11:00

21

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

6

km/h

Humidity icon

41%

12:00

21

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 15 degree

6

km/h

Humidity icon

36%

13:00

21

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

5

km/h

Humidity icon

33%

14:00

20

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

7

km/h

Humidity icon

32%

15:00

19

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

6

km/h

Humidity icon

32%

16:00

18

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

6

km/h

Humidity icon

38%

17:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

7

km/h

Humidity icon

54%

18:00

20

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

7

km/h

Humidity icon

68%

19:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

4

km/h

Humidity icon

78%

20:00

22

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

3

km/h

Humidity icon

79%

21:00

24

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

3

km/h

Humidity icon

83%

22:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 232 degree

2

km/h

Humidity icon

86%

23:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

3

km/h

Humidity icon

86%

Sat

00:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

3

km/h

Humidity icon

87%

01:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

3

km/h

Humidity icon

87%

02:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

4

km/h

Humidity icon

81%

03:00

27

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

4

km/h

Humidity icon

74%

04:00

28

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

5

km/h

Humidity icon

63%

05:00

25

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 87 degree

7

km/h

Humidity icon

55%

06:00

22

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

6

km/h

Humidity icon

52%

07:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

6

km/h

Humidity icon

49%

08:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

4

km/h

Humidity icon

41%

09:00

19

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

3

km/h

Humidity icon

32%

10:00

19

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

2

km/h

Humidity icon

27%

11:00

22

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

5

km/h

Humidity icon

23%

12:00

25

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

8

km/h

Humidity icon

24%

13:00

28

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

6

km/h

Humidity icon

25%

14:00

24

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

9

km/h

Humidity icon

26%

15:00

21

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

8

km/h

Humidity icon

29%

16:00

18

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

7

km/h

Humidity icon

47%

17:00

18

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

6

km/h

Humidity icon

63%

18:00

18

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

8

km/h

Humidity icon

68%

19:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

7

km/h

Humidity icon

76%

20:00

22

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

8

km/h

Humidity icon

95%

21:00

26

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

5

km/h

Humidity icon

95%

22:00

30

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

3

km/h

Humidity icon

95%

23:00

32

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

4

km/h

Humidity icon

95%

Sun

00:00

35

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

3

km/h

Humidity icon

96%

01:00

38

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

3

km/h

Humidity icon

96%

02:00

34

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

5

km/h

Humidity icon

97%

03:00

31

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

5

km/h

Humidity icon

97%

04:00

28

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

5

km/h

Humidity icon

98%

05:00

29

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 360 degree

2

km/h

Humidity icon

97%

06:00

30

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 78 degree

3

km/h

Humidity icon

96%

07:00

31

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

3

km/h

Humidity icon

94%

08:00

34

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

2

km/h

Humidity icon

81%

09:00

37

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

6

km/h

Humidity icon

67%

10:00

40

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

7

km/h

Humidity icon

60%

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.

Health recommendations

Protect yourself from air pollution in San Mateo County

SHOP IQAIR PRODUCTS

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

Low

25%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in San Mateo County

Health recommendations

Pollen

What is the pollen count in San Mateo County today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Low

25%
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

Durham Road

9

2
The national flag of USA

Burlingame Hills

8

3
The national flag of USA

Cerrito Avenue

8

4
The national flag of USA

920 Bear Gulch Road

7

5
The national flag of USA

Belle Roche Court

7

6
The national flag of USA

Alpine Road

6

7
The national flag of USA

265 Old Spanish Trail

2

8
The national flag of USA

480 Tunitas Creek Road

2

9
The national flag of USA

Arlington Way

1

10
The national flag of USA

Dirt Alpine

0

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Indio, California

354

2
The national flag of USA

Grants Pass, Oregon

160

3
The national flag of USA

Leavenworth, Washington

145

4
The national flag of USA

Coeur d'Alene, Idaho

135

5
The national flag of USA

Kootenai County, Idaho

132

6
The national flag of USA

Moxee, Washington

125

7
The national flag of USA

Franklin, Merced County, California

116

8
The national flag of USA

Chelan County, Washington

114

9
The national flag of USA

Delano, California

114

10
The national flag of USA

Matheny, California

114

History

Historic air quality graph for San Mateo County

13 AQI⁺ US
Good
10:00–11:00 Nov 05 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

13 AQI⁺ US
Good
10:00–11:00 Nov 05 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

Durham Road

9

2
The national flag of USA

Burlingame Hills

8

3
The national flag of USA

Cerrito Avenue

8

4
The national flag of USA

920 Bear Gulch Road

7

5
The national flag of USA

Belle Roche Court

7

6
The national flag of USA

Alpine Road

6

7
The national flag of USA

265 Old Spanish Trail

2

8
The national flag of USA

480 Tunitas Creek Road

2

9
The national flag of USA

Arlington Way

1

10
The national flag of USA

Dirt Alpine

0

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Indio, California

354

2
The national flag of USA

Grants Pass, Oregon

160

3
The national flag of USA

Leavenworth, Washington

145

4
The national flag of USA

Coeur d'Alene, Idaho

135

5
The national flag of USA

Kootenai County, Idaho

132

6
The national flag of USA

Moxee, Washington

125

7
The national flag of USA

Franklin, Merced County, California

116

8
The national flag of USA

Chelan County, Washington

114

9
The national flag of USA

Delano, California

114

10
The national flag of USA

Matheny, California

114

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