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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 13 Followers • 06:00, Apr 24 Local time

17

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.1 µg/m³

weather condition icon

9°

wind direction icon

11 km/h

weather humid icon

99 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

17

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

11

km/h

Humidity icon

99%

07:00

18

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

9

km/h

Humidity icon

99%

08:00

20

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

8

km/h

Humidity icon

99%

09:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

10

km/h

Humidity icon

99%

10:00

22

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

9

km/h

Humidity icon

99%

11:00

23

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 232 degree

10

km/h

Humidity icon

98%

12:00

24

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

12

km/h

Humidity icon

98%

13:00

25

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

13

km/h

Humidity icon

98%

14:00

25

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

17

km/h

Humidity icon

98%

15:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

17

km/h

Humidity icon

98%

16:00

27

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

18

km/h

Humidity icon

97%

17:00

28

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

18

km/h

Humidity icon

98%

18:00

29

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

18

km/h

Humidity icon

99%

19:00

29

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

15

km/h

Humidity icon

98%

20:00

29

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

15

km/h

Humidity icon

99%

21:00

29

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

14

km/h

Humidity icon

99%

22:00

29

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

14

km/h

Humidity icon

99%

23:00

32

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

14

km/h

Humidity icon

99%

Sat

00:00

32

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

12

km/h

Humidity icon

98%

01:00

32

Weather icon

90%

8°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

12

km/h

Humidity icon

99%

02:00

32

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

15

km/h

Humidity icon

99%

03:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

13

km/h

Humidity icon

99%

04:00

32

Weather icon

90%

8°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

13

km/h

Humidity icon

99%

05:00

33

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

13

km/h

Humidity icon

99%

06:00

33

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

16

km/h

Humidity icon

99%

07:00

33

Weather icon

90%

8°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

12

km/h

Humidity icon

99%

08:00

32

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

12

km/h

Humidity icon

99%

09:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

12

km/h

Humidity icon

99%

10:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

14

km/h

Humidity icon

97%

11:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

14

km/h

Humidity icon

97%

12:00

32

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

15

km/h

Humidity icon

98%

13:00

32

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

16

km/h

Humidity icon

98%

14:00

32

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

16

km/h

Humidity icon

98%

15:00

32

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

17

km/h

Humidity icon

99%

16:00

32

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

20

km/h

Humidity icon

99%

17:00

31

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

18

km/h

Humidity icon

99%

18:00

31

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

16

km/h

Humidity icon

74%

19:00

31

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

13

km/h

Humidity icon

77%

20:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

10

km/h

Humidity icon

84%

21:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

9

km/h

Humidity icon

84%

22:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

9

km/h

Humidity icon

82%

23:00

33

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

8

km/h

Humidity icon

83%

Sun

00:00

33

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

8

km/h

Humidity icon

87%

01:00

33

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

8

km/h

Humidity icon

88%

02:00

37

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

9

km/h

Humidity icon

87%

03:00

37

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

9

km/h

Humidity icon

86%

04:00

37

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

8

km/h

Humidity icon

87%

05:00

38

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

9

km/h

Humidity icon

85%

06:00

38

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

8

km/h

Humidity icon

86%

07:00

38

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

8

km/h

Humidity icon

86%

08:00

36

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

8

km/h

Humidity icon

83%

09:00

36

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

9

km/h

Humidity icon

76%

10:00

36

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 194 degree

11

km/h

Humidity icon

71%

11:00

31

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 194 degree

14

km/h

Humidity icon

68%

12:00

31

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

16

km/h

Humidity icon

65%

13:00

31

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

19

km/h

Humidity icon

61%

14:00

32

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

19

km/h

Humidity icon

65%

15:00

32

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

16

km/h

Humidity icon

65%

16:00

32

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

15

km/h

Humidity icon

59%

17:00

30

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

14

km/h

Humidity icon

58%

18:00

30

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

10

km/h

Humidity icon

60%

19:00

30

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

7

km/h

Humidity icon

66%

20:00

29

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

6

km/h

Humidity icon

81%

21:00

29

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

5

km/h

Humidity icon

87%

22:00

29

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

2

km/h

Humidity icon

91%

23:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

4

km/h

Humidity icon

93%

Mon

00:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

5

km/h

Humidity icon

92%

01:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

4

km/h

Humidity icon

93%

02:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

3

km/h

Humidity icon

93%

03:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

3

km/h

Humidity icon

94%

04:00

32

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

3

km/h

Humidity icon

94%

05:00

36

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

2

km/h

Humidity icon

94%

Daily forecast

|

San Mateo County air quality index (AQI⁺) forecast

Today

23

Weather icon

90%

11°

9°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

18

km/h

Humidity icon

98%

Sat

32

Weather icon

90%

11°

8°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

20

km/h

Humidity icon

93%

Sun

34

Weather icon

15°

9°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

19

km/h

Humidity icon

72%

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

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

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

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

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

17

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Columbia, Tennessee

147

2
The national flag of USA

Fernandina Beach, Florida

136

3
The national flag of USA

Dawsonville, Georgia

84

4
The national flag of USA

Macon, Georgia

84

5
The national flag of USA

Alpharetta, Georgia

83

6
The national flag of USA

Rome, Georgia

82

7
The national flag of USA

Brunswick, Georgia

81

8
The national flag of USA

Albany, Georgia

80

9
The national flag of USA

Kennesaw, Georgia

80

10
The national flag of USA

Middletown, Ohio

80

History

Historic air quality graph for San Mateo County

17 AQI⁺ US
Good
05:00–06:00 Apr 24 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

17 AQI⁺ US
Good
05:00–06:00 Apr 24 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

17

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Columbia, Tennessee

147

2
The national flag of USA

Fernandina Beach, Florida

136

3
The national flag of USA

Dawsonville, Georgia

84

4
The national flag of USA

Macon, Georgia

84

5
The national flag of USA

Alpharetta, Georgia

83

6
The national flag of USA

Rome, Georgia

82

7
The national flag of USA

Brunswick, Georgia

81

8
The national flag of USA

Albany, Georgia

80

9
The national flag of USA

Kennesaw, Georgia

80

10
The national flag of USA

Middletown, Ohio

80

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