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Air quality in San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 15 Followers • 08:00, Jun 03 Local time

19

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.4 µg/m³

weather condition icon

10°

wind direction icon

8 km/h

weather humid icon

98 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

19

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

8

km/h

Humidity icon

98%

09:00

20

Weather icon

40%

11°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

7

km/h

Humidity icon

98%

10:00

23

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

8

km/h

Humidity icon

84%

11:00

28

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

9

km/h

Humidity icon

74%

12:00

31

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

10

km/h

Humidity icon

59%

13:00

35

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

10

km/h

Humidity icon

55%

14:00

39

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

10

km/h

Humidity icon

51%

15:00

39

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

13

km/h

Humidity icon

57%

16:00

38

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

16

km/h

Humidity icon

64%

17:00

36

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

20

km/h

Humidity icon

68%

18:00

33

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

21

km/h

Humidity icon

78%

19:00

30

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

19

km/h

Humidity icon

84%

20:00

27

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

17

km/h

Humidity icon

95%

21:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

16

km/h

Humidity icon

97%

22:00

29

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

14

km/h

Humidity icon

97%

23:00

30

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

13

km/h

Humidity icon

98%

Thu

00:00

29

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

10

km/h

Humidity icon

98%

01:00

29

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

8

km/h

Humidity icon

98%

02:00

29

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

7

km/h

Humidity icon

98%

03:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

4

km/h

Humidity icon

98%

04:00

26

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

2

km/h

Humidity icon

88%

05:00

25

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

2

km/h

Humidity icon

84%

06:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 196 degree

0

km/h

Humidity icon

82%

07:00

31

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 1 degree

1

km/h

Humidity icon

82%

08:00

34

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

2

km/h

Humidity icon

88%

09:00

35

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

2

km/h

Humidity icon

86%

10:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

2

km/h

Humidity icon

82%

11:00

38

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

4

km/h

Humidity icon

78%

12:00

36

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

6

km/h

Humidity icon

73%

13:00

35

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

7

km/h

Humidity icon

71%

14:00

34

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

8

km/h

Humidity icon

69%

15:00

40

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

9

km/h

Humidity icon

67%

16:00

47

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

10

km/h

Humidity icon

65%

17:00

54

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

9

km/h

Humidity icon

65%

18:00

54

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

9

km/h

Humidity icon

66%

19:00

55

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

10

km/h

Humidity icon

72%

20:00

56

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

10

km/h

Humidity icon

79%

21:00

54

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

7

km/h

Humidity icon

78%

22:00

53

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

8

km/h

Humidity icon

82%

23:00

52

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

10

km/h

Humidity icon

92%

Fri

00:00

53

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

10

km/h

Humidity icon

97%

01:00

54

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

11

km/h

Humidity icon

97%

02:00

56

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

9

km/h

Humidity icon

97%

03:00

54

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

8

km/h

Humidity icon

98%

04:00

52

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

8

km/h

Humidity icon

98%

05:00

50

Weather icon

90%

8°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

7

km/h

Humidity icon

98%

06:00

40

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

7

km/h

Humidity icon

97%

07:00

31

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

5

km/h

Humidity icon

90%

08:00

22

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

6

km/h

Humidity icon

76%

09:00

21

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

7

km/h

Humidity icon

61%

10:00

21

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

8

km/h

Humidity icon

55%

11:00

21

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

9

km/h

Humidity icon

52%

12:00

24

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

9

km/h

Humidity icon

49%

13:00

28

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

10

km/h

Humidity icon

48%

14:00

32

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

12

km/h

Humidity icon

51%

15:00

38

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

13

km/h

Humidity icon

53%

16:00

45

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

14

km/h

Humidity icon

54%

17:00

52

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

14

km/h

Humidity icon

55%

18:00

52

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

14

km/h

Humidity icon

58%

19:00

52

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

13

km/h

Humidity icon

65%

20:00

53

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

11

km/h

Humidity icon

75%

21:00

45

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

10

km/h

Humidity icon

82%

22:00

37

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

11

km/h

Humidity icon

86%

23:00

30

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

11

km/h

Humidity icon

88%

Sat

00:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

10

km/h

Humidity icon

89%

01:00

26

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

10

km/h

Humidity icon

89%

02:00

25

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

9

km/h

Humidity icon

89%

03:00

25

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

8

km/h

Humidity icon

90%

04:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

8

km/h

Humidity icon

90%

05:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

8

km/h

Humidity icon

91%

06:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

9

km/h

Humidity icon

91%

07:00

27

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

10

km/h

Humidity icon

82%

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

Low

25%
Pollen grass icon

Grass

Moderate

50%
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

Moderate

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Moderate

50%
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

920 Bear Gulch Road

24

2
The national flag of USA

Alberta Glen

21

3
The national flag of USA

265 Old Spanish Trail

19

4
The national flag of USA

Dirt Alpine

19

5
The national flag of USA

Experimental Facilities Dept Shops EFD

19

6
The national flag of USA

Filbert Road

17

7
The national flag of USA

Alpine Road

14

8
The national flag of USA

Durham Road

14

9
The national flag of USA

480 Tunitas Creek Road

11

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

Murrieta, California

80

2
The national flag of USA

Imperial, California

78

3
The national flag of USA

Oceanside, California

77

4
The national flag of USA

Aliso Viejo, California

75

5
The national flag of USA

Corona, California

75

6
The national flag of USA

Pinal County, Arizona

74

7
The national flag of USA

Beaumont, California

73

8
The national flag of USA

East Los Angeles, California

73

9
The national flag of USA

Glendora, California

73

10
The national flag of USA

Pahrump, Nevada

73

History

Historic air quality graph for San Mateo County

19 AQI⁺ US
Good
07:00–08:00 Jun 03 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

19 AQI⁺ US
Good
07:00–08:00 Jun 03 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

24

2
The national flag of USA

Alberta Glen

21

3
The national flag of USA

265 Old Spanish Trail

19

4
The national flag of USA

Dirt Alpine

19

5
The national flag of USA

Experimental Facilities Dept Shops EFD

19

6
The national flag of USA

Filbert Road

17

7
The national flag of USA

Alpine Road

14

8
The national flag of USA

Durham Road

14

9
The national flag of USA

480 Tunitas Creek Road

11

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

Murrieta, California

80

2
The national flag of USA

Imperial, California

78

3
The national flag of USA

Oceanside, California

77

4
The national flag of USA

Aliso Viejo, California

75

5
The national flag of USA

Corona, California

75

6
The national flag of USA

Pinal County, Arizona

74

7
The national flag of USA

Beaumont, California

73

8
The national flag of USA

East Los Angeles, California

73

9
The national flag of USA

Glendora, California

73

10
The national flag of USA

Pahrump, Nevada

73

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