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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 • 20:00, Jun 05 Local time

24

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

4.3 µg/m³

weather condition icon

11°

wind direction icon

15 km/h

weather humid icon

96 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

24

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

15

km/h

Humidity icon

96%

21:00

25

Weather icon

50%

11°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

15

km/h

Humidity icon

97%

22:00

26

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

16

km/h

Humidity icon

97%

23:00

25

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

16

km/h

Humidity icon

98%

Sat

00:00

25

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

17

km/h

Humidity icon

98%

01:00

24

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

18

km/h

Humidity icon

98%

02:00

24

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

19

km/h

Humidity icon

98%

03:00

25

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

19

km/h

Humidity icon

98%

04:00

26

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

18

km/h

Humidity icon

98%

05:00

28

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

18

km/h

Humidity icon

99%

06:00

27

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

18

km/h

Humidity icon

99%

07:00

27

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

19

km/h

Humidity icon

99%

08:00

27

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

18

km/h

Humidity icon

99%

09:00

25

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

18

km/h

Humidity icon

99%

10:00

24

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

17

km/h

Humidity icon

99%

11:00

23

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

15

km/h

Humidity icon

99%

12:00

24

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

16

km/h

Humidity icon

99%

13:00

25

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

18

km/h

Humidity icon

99%

14:00

27

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

21

km/h

Humidity icon

99%

15:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

21

km/h

Humidity icon

99%

16:00

27

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

22

km/h

Humidity icon

99%

17:00

28

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

21

km/h

Humidity icon

99%

18:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

20

km/h

Humidity icon

99%

19:00

26

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

19

km/h

Humidity icon

99%

20:00

26

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

18

km/h

Humidity icon

99%

21:00

27

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

17

km/h

Humidity icon

99%

22:00

28

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

14

km/h

Humidity icon

99%

23:00

29

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

14

km/h

Humidity icon

99%

Sun

00:00

28

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

12

km/h

Humidity icon

99%

01:00

27

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

9

km/h

Humidity icon

99%

02:00

26

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

6

km/h

Humidity icon

99%

03:00

25

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

1

km/h

Humidity icon

98%

04:00

24

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

1

km/h

Humidity icon

71%

05:00

23

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

2

km/h

Humidity icon

60%

06:00

23

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

2

km/h

Humidity icon

55%

07:00

23

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

3

km/h

Humidity icon

61%

08:00

24

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 31 degree

3

km/h

Humidity icon

76%

09:00

23

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

3

km/h

Humidity icon

74%

10:00

22

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

5

km/h

Humidity icon

75%

11:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

8

km/h

Humidity icon

80%

12:00

21

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

7

km/h

Humidity icon

73%

13:00

21

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

9

km/h

Humidity icon

72%

14:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

11

km/h

Humidity icon

73%

15:00

22

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

13

km/h

Humidity icon

69%

16:00

23

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

15

km/h

Humidity icon

72%

17:00

24

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

16

km/h

Humidity icon

80%

18:00

23

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

15

km/h

Humidity icon

59%

19:00

22

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

17

km/h

Humidity icon

65%

20:00

21

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

11

km/h

Humidity icon

74%

21:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

11

km/h

Humidity icon

78%

22:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

10

km/h

Humidity icon

80%

23:00

10

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

11

km/h

Humidity icon

83%

Mon

00:00

10

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

11

km/h

Humidity icon

85%

01:00

10

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

10

km/h

Humidity icon

86%

02:00

10

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

11

km/h

Humidity icon

87%

03:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

10

km/h

Humidity icon

89%

04:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

10

km/h

Humidity icon

90%

05:00

20

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

10

km/h

Humidity icon

90%

06:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

9

km/h

Humidity icon

92%

07:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

10

km/h

Humidity icon

90%

08:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

10

km/h

Humidity icon

87%

09:00

16

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

9

km/h

Humidity icon

85%

10:00

14

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

8

km/h

Humidity icon

85%

11:00

12

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

8

km/h

Humidity icon

86%

12:00

12

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

8

km/h

Humidity icon

84%

13:00

13

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

9

km/h

Humidity icon

81%

14:00

14

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

10

km/h

Humidity icon

75%

15:00

15

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

10

km/h

Humidity icon

78%

16:00

16

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

9

km/h

Humidity icon

87%

17:00

18

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

9

km/h

Humidity icon

88%

18:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

9

km/h

Humidity icon

93%

19:00

20

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

9

km/h

Humidity icon

95%

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

None

0%
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

None

0%
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

Arlington Way

29

2
The national flag of USA

480 Tunitas Creek Road

28

3
The national flag of USA

Alberta Glen

28

4
The national flag of USA

265 Old Spanish Trail

24

5
The national flag of USA

Alpine Road

24

6
The national flag of USA

Cerrito Avenue

24

7
The national flag of USA

Alexander Avenue

23

8
The national flag of USA

920 Bear Gulch Road

22

9
The national flag of USA

Dirt Alpine

21

10
The national flag of USA

Bear Gulch Road

2

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Forsyth County, Georgia

88

2
The national flag of USA

Crestline, California

78

3
The national flag of USA

Detroit, Michigan

78

4
The national flag of USA

Oakhurst, California

76

5
The national flag of USA

Gilmer, West Virginia

75

6
The national flag of USA

Herriman, Utah

73

7
The national flag of USA

Victorville, California

73

8
The national flag of USA

Hesperia, California

72

9
The national flag of USA

Jurupa Valley, California

71

10
The national flag of USA

Chester County, Pennsylvania

68

History

Historic air quality graph for San Mateo County

24 AQI⁺ US
Good
19:00–20:00 Jun 05 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo County

24 AQI⁺ US
Good
19:00–20:00 Jun 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

Arlington Way

29

2
The national flag of USA

480 Tunitas Creek Road

28

3
The national flag of USA

Alberta Glen

28

4
The national flag of USA

265 Old Spanish Trail

24

5
The national flag of USA

Alpine Road

24

6
The national flag of USA

Cerrito Avenue

24

7
The national flag of USA

Alexander Avenue

23

8
The national flag of USA

920 Bear Gulch Road

22

9
The national flag of USA

Dirt Alpine

21

10
The national flag of USA

Bear Gulch Road

2

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Forsyth County, Georgia

88

2
The national flag of USA

Crestline, California

78

3
The national flag of USA

Detroit, Michigan

78

4
The national flag of USA

Oakhurst, California

76

5
The national flag of USA

Gilmer, West Virginia

75

6
The national flag of USA

Herriman, Utah

73

7
The national flag of USA

Victorville, California

73

8
The national flag of USA

Hesperia, California

72

9
The national flag of USA

Jurupa Valley, California

71

10
The national flag of USA

Chester County, Pennsylvania

68

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