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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 • 15:00, Jun 01

39

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

7.1 µg/m³

weather condition icon

19°

wind direction icon

8 km/h

weather humid icon

67 %

Hourly forecast

San Mateo County air quality index (AQI⁺) forecast

Now

39

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

8

km/h

Humidity icon

67%

16:00

38

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

8

km/h

Humidity icon

61%

17:00

38

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

7

km/h

Humidity icon

54%

18:00

38

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

6

km/h

Humidity icon

62%

19:00

37

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 198 degree

3

km/h

Humidity icon

64%

20:00

39

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

2

km/h

Humidity icon

69%

21:00

39

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

2

km/h

Humidity icon

67%

22:00

39

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

2

km/h

Humidity icon

65%

23:00

40

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

2

km/h

Humidity icon

65%

Tue

00:00

40

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

3

km/h

Humidity icon

69%

01:00

40

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 194 degree

3

km/h

Humidity icon

68%

02:00

42

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 170 degree

2

km/h

Humidity icon

65%

03:00

42

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 182 degree

1

km/h

Humidity icon

63%

04:00

42

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

2

km/h

Humidity icon

65%

05:00

40

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

3

km/h

Humidity icon

60%

06:00

40

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

1

km/h

Humidity icon

57%

07:00

40

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

2

km/h

Humidity icon

63%

08:00

33

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

5

km/h

Humidity icon

79%

09:00

33

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

5

km/h

Humidity icon

73%

10:00

33

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

3

km/h

Humidity icon

67%

11:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

2

km/h

Humidity icon

68%

12:00

32

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

2

km/h

Humidity icon

66%

13:00

32

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

4

km/h

Humidity icon

64%

14:00

32

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

6

km/h

Humidity icon

67%

15:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

8

km/h

Humidity icon

69%

16:00

32

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

10

km/h

Humidity icon

69%

17:00

42

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

8

km/h

Humidity icon

61%

18:00

42

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

8

km/h

Humidity icon

65%

19:00

42

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

7

km/h

Humidity icon

64%

20:00

33

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

6

km/h

Humidity icon

67%

21:00

33

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

6

km/h

Humidity icon

65%

22:00

33

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

8

km/h

Humidity icon

73%

23:00

27

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

5

km/h

Humidity icon

74%

Wed

00:00

27

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

8

km/h

Humidity icon

87%

01:00

27

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

8

km/h

Humidity icon

90%

02:00

22

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

9

km/h

Humidity icon

92%

03:00

22

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

8

km/h

Humidity icon

92%

04:00

22

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

7

km/h

Humidity icon

94%

05:00

26

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

8

km/h

Humidity icon

95%

06:00

26

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

9

km/h

Humidity icon

97%

07:00

26

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

10

km/h

Humidity icon

98%

08:00

28

Weather icon

90%

9°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

10

km/h

Humidity icon

97%

09:00

28

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

10

km/h

Humidity icon

97%

10:00

28

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

10

km/h

Humidity icon

97%

11:00

59

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

11

km/h

Humidity icon

78%

12:00

59

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

11

km/h

Humidity icon

68%

13:00

59

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

11

km/h

Humidity icon

61%

14:00

63

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

12

km/h

Humidity icon

60%

15:00

63

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

14

km/h

Humidity icon

65%

16:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

18

km/h

Humidity icon

66%

17:00

62

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

21

km/h

Humidity icon

65%

18:00

62

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

15

km/h

Humidity icon

66%

19:00

62

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

14

km/h

Humidity icon

74%

20:00

49

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

11

km/h

Humidity icon

87%

21:00

49

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

9

km/h

Humidity icon

97%

22:00

49

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

10

km/h

Humidity icon

97%

23:00

47

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

12

km/h

Humidity icon

90%

Thu

00:00

47

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

10

km/h

Humidity icon

90%

01:00

47

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

10

km/h

Humidity icon

89%

02:00

36

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

9

km/h

Humidity icon

89%

03:00

36

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

7

km/h

Humidity icon

94%

04:00

36

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

6

km/h

Humidity icon

92%

05:00

34

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

6

km/h

Humidity icon

98%

06:00

34

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

5

km/h

Humidity icon

98%

07:00

34

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

4

km/h

Humidity icon

88%

08:00

38

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 357 degree

4

km/h

Humidity icon

69%

09:00

38

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

5

km/h

Humidity icon

56%

10:00

38

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

5

km/h

Humidity icon

47%

11:00

39

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

10

km/h

Humidity icon

45%

12:00

39

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

12

km/h

Humidity icon

44%

13:00

39

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

12

km/h

Humidity icon

46%

14:00

37

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

13

km/h

Humidity icon

50%

Daily forecast

|

San Mateo County air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in San Mateo County?

IQAir exclamation icon

PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.

air quality map

Real-time San Mateo County air pollution map

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

Low

25%
Pollen weed icon

Weed

Moderate

50%

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

Low

25%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in San Mateo County

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

46

2
The national flag of USA

Alberta Glen

43

3
The national flag of USA

Experimental Facilities Dept Shops EFD

43

4
The national flag of USA

Alexander Avenue

41

5
The national flag of USA

Durham Road

41

6
The national flag of USA

480 Tunitas Creek Road

40

7
The national flag of USA

Arlington Way

40

8
The national flag of USA

265 Old Spanish Trail

37

9
The national flag of USA

Dirt Alpine

35

10
The national flag of USA

Alpine Road

29

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Riverside, California

178

2
The national flag of USA

Avenal, California

97

3
The national flag of USA

Mission, Texas

69

4
The national flag of USA

Jurupa Valley, California

68

5
The national flag of USA

Austin, Texas

63

6
The national flag of USA

Champaign, Illinois

61

7
The national flag of USA

Memphis, Tennessee

61

8
The national flag of USA

Evansville, Indiana

60

9
The national flag of USA

Glendora, California

60

10
The national flag of USA

East Los Angeles, California

59

History

Historic air quality graph for San Mateo County

39 AQI⁺ US
Good
14:00–15:00 Jun 01 
AQI⁺ US

History

Historic air quality graph for San Mateo County

39 AQI⁺ US
Good
14:00–15:00 Jun 01 
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

46

2
The national flag of USA

Alberta Glen

43

3
The national flag of USA

Experimental Facilities Dept Shops EFD

43

4
The national flag of USA

Alexander Avenue

41

5
The national flag of USA

Durham Road

41

6
The national flag of USA

480 Tunitas Creek Road

40

7
The national flag of USA

Arlington Way

40

8
The national flag of USA

265 Old Spanish Trail

37

9
The national flag of USA

Dirt Alpine

35

10
The national flag of USA

Alpine Road

29

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Riverside, California

178

2
The national flag of USA

Avenal, California

97

3
The national flag of USA

Mission, Texas

69

4
The national flag of USA

Jurupa Valley, California

68

5
The national flag of USA

Austin, Texas

63

6
The national flag of USA

Champaign, Illinois

61

7
The national flag of USA

Memphis, Tennessee

61

8
The national flag of USA

Evansville, Indiana

60

9
The national flag of USA

Glendora, California

60

10
The national flag of USA

East Los Angeles, California

59

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