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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 14 Followers • 05:00, May 11 Local time

13

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

2.4 µg/m³

weather condition icon

12°

wind direction icon

5 km/h

weather humid icon

93 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

13

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

5

km/h

Humidity icon

93%

06:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

5

km/h

Humidity icon

94%

07:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

5

km/h

Humidity icon

87%

08:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

4

km/h

Humidity icon

92%

09:00

18

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

4

km/h

Humidity icon

90%

10:00

20

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

3

km/h

Humidity icon

92%

11:00

21

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

2

km/h

Humidity icon

85%

12:00

23

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

1

km/h

Humidity icon

77%

13:00

25

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

2

km/h

Humidity icon

74%

14:00

27

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

2

km/h

Humidity icon

71%

15:00

29

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

3

km/h

Humidity icon

69%

16:00

31

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

5

km/h

Humidity icon

69%

17:00

34

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

8

km/h

Humidity icon

72%

18:00

40

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

8

km/h

Humidity icon

75%

19:00

46

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

9

km/h

Humidity icon

78%

20:00

52

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

9

km/h

Humidity icon

83%

21:00

50

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

10

km/h

Humidity icon

83%

22:00

48

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

9

km/h

Humidity icon

88%

23:00

46

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

9

km/h

Humidity icon

89%

Tue

00:00

44

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 186 degree

8

km/h

Humidity icon

91%

01:00

42

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

8

km/h

Humidity icon

91%

02:00

41

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

8

km/h

Humidity icon

91%

03:00

40

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

7

km/h

Humidity icon

91%

04:00

39

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 170 degree

6

km/h

Humidity icon

86%

05:00

39

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

5

km/h

Humidity icon

86%

06:00

38

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

5

km/h

Humidity icon

83%

07:00

37

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

5

km/h

Humidity icon

81%

08:00

36

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

5

km/h

Humidity icon

87%

09:00

34

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

7

km/h

Humidity icon

79%

10:00

33

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

6

km/h

Humidity icon

74%

11:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

6

km/h

Humidity icon

62%

12:00

33

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

6

km/h

Humidity icon

57%

13:00

34

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

9

km/h

Humidity icon

56%

14:00

36

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

11

km/h

Humidity icon

59%

15:00

41

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

14

km/h

Humidity icon

67%

16:00

46

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

16

km/h

Humidity icon

70%

17:00

52

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

16

km/h

Humidity icon

85%

18:00

47

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

16

km/h

Humidity icon

94%

19:00

43

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

16

km/h

Humidity icon

96%

20:00

39

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

16

km/h

Humidity icon

97%

21:00

35

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

17

km/h

Humidity icon

97%

22:00

31

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

15

km/h

Humidity icon

98%

23:00

28

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

15

km/h

Humidity icon

98%

Wed

00:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

15

km/h

Humidity icon

98%

01:00

25

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

17

km/h

Humidity icon

98%

02:00

24

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

20

km/h

Humidity icon

99%

03:00

21

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

20

km/h

Humidity icon

99%

04:00

18

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

17

km/h

Humidity icon

98%

05:00

16

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

16

km/h

Humidity icon

98%

06:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

6

km/h

Humidity icon

88%

07:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

6

km/h

Humidity icon

81%

08:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

7

km/h

Humidity icon

72%

09:00

18

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

9

km/h

Humidity icon

66%

10:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

12

km/h

Humidity icon

63%

11:00

21

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

15

km/h

Humidity icon

63%

12:00

21

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

17

km/h

Humidity icon

61%

13:00

21

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

24

km/h

Humidity icon

65%

14:00

22

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

26

km/h

Humidity icon

75%

15:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

14

km/h

Humidity icon

92%

16:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

10

km/h

Humidity icon

91%

17:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

10

km/h

Humidity icon

87%

18:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

14

km/h

Humidity icon

74%

19:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

10

km/h

Humidity icon

80%

20:00

18

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

8

km/h

Humidity icon

96%

21:00

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

7

km/h

Humidity icon

98%

22:00

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

6

km/h

Humidity icon

98%

23:00

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 211 degree

6

km/h

Humidity icon

97%

Thu

00:00

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

6

km/h

Humidity icon

97%

01:00

18

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 198 degree

5

km/h

Humidity icon

98%

02:00

19

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 177 degree

6

km/h

Humidity icon

98%

03:00

20

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

4

km/h

Humidity icon

98%

04:00

21

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

3

km/h

Humidity icon

98%

Daily forecast

|

San Mateo County air quality index (AQI⁺) forecast

Today

21

Weather icon

21°

11°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

10

km/h

Humidity icon

81%

Tue

40

Weather icon

19°

9°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

17

km/h

Humidity icon

79%

Wed

28

Weather icon

17°

10°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

26

km/h

Humidity icon

79%

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

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Enjoy outdoor activities

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Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in San Mateo County

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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

Low

25%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in San Mateo County

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor
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

Low

25%
Pollen grass icon

Grass

Low

25%
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

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Air Purifiers

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Face Masks

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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

13

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Eldridge, California

129

2
The national flag of USA

Huntington Park, California

92

3
The national flag of USA

Manhattan Beach, California

90

4
The national flag of USA

Florence-Graham, California

88

5
The national flag of USA

West Carson, California

84

6
The national flag of USA

East Los Angeles, California

82

7
The national flag of USA

Burbank, Los Angeles County, California

80

8
The national flag of USA

Gardena, California

80

9
The national flag of USA

Inglewood, California

80

10
The national flag of USA

Redondo Beach, California

80

History

Historic air quality graph for San Mateo County

13 AQI⁺ US
Good
04:00–05:00 May 11 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

13 AQI⁺ US
Good
04:00–05:00 May 11 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

13

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Eldridge, California

129

2
The national flag of USA

Huntington Park, California

92

3
The national flag of USA

Manhattan Beach, California

90

4
The national flag of USA

Florence-Graham, California

88

5
The national flag of USA

West Carson, California

84

6
The national flag of USA

East Los Angeles, California

82

7
The national flag of USA

Burbank, Los Angeles County, California

80

8
The national flag of USA

Gardena, California

80

9
The national flag of USA

Inglewood, California

80

10
The national flag of USA

Redondo Beach, California

80

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