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Air quality in San Mateo

Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 18 Followers • 12:00, Oct 20 Local time

Anonymous contributor

6

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

1.1 µg/m³

weather condition icon

33°

wind direction icon

15 km/h

weather humid icon

46 %

Anonymous contributor

Hourly forecast

San Mateo air quality index (AQI⁺) forecast

Now

6

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 234 degree

15

km/h

Humidity icon

46%

13:00

11

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

19

km/h

Humidity icon

52%

14:00

15

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

15

km/h

Humidity icon

53%

15:00

20

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

10

km/h

Humidity icon

54%

16:00

24

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

7

km/h

Humidity icon

53%

17:00

29

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

5

km/h

Humidity icon

55%

18:00

34

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

3

km/h

Humidity icon

59%

19:00

38

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 130 degree

4

km/h

Humidity icon

62%

20:00

43

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

3

km/h

Humidity icon

65%

21:00

48

Weather icon

70%

26°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

5

km/h

Humidity icon

72%

22:00

53

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

6

km/h

Humidity icon

75%

23:00

58

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

7

km/h

Humidity icon

74%

Wed

00:00

62

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

5

km/h

Humidity icon

74%

01:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 15 degree

4

km/h

Humidity icon

73%

02:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

2

km/h

Humidity icon

72%

03:00

61

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 26 degree

3

km/h

Humidity icon

72%

04:00

61

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

3

km/h

Humidity icon

73%

05:00

61

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

4

km/h

Humidity icon

74%

06:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

3

km/h

Humidity icon

75%

07:00

60

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

5

km/h

Humidity icon

73%

08:00

60

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

6

km/h

Humidity icon

71%

09:00

60

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

8

km/h

Humidity icon

66%

10:00

60

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

10

km/h

Humidity icon

61%

11:00

61

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 302 degree

11

km/h

Humidity icon

55%

12:00

60

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

11

km/h

Humidity icon

52%

13:00

59

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

12

km/h

Humidity icon

50%

14:00

58

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

12

km/h

Humidity icon

50%

15:00

58

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

10

km/h

Humidity icon

52%

16:00

59

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

10

km/h

Humidity icon

55%

17:00

60

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

13

km/h

Humidity icon

62%

18:00

60

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

13

km/h

Humidity icon

69%

19:00

60

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

7

km/h

Humidity icon

71%

20:00

61

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

5

km/h

Humidity icon

73%

21:00

58

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

4

km/h

Humidity icon

75%

22:00

55

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

2

km/h

Humidity icon

78%

23:00

52

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

2

km/h

Humidity icon

81%

Thu

00:00

48

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

3

km/h

Humidity icon

81%

01:00

45

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 92 degree

3

km/h

Humidity icon

81%

02:00

42

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

3

km/h

Humidity icon

82%

03:00

45

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

2

km/h

Humidity icon

83%

04:00

49

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

4

km/h

Humidity icon

84%

05:00

53

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

2

km/h

Humidity icon

85%

06:00

53

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

3

km/h

Humidity icon

85%

07:00

53

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

3

km/h

Humidity icon

81%

08:00

54

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

3

km/h

Humidity icon

75%

09:00

55

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

2

km/h

Humidity icon

67%

10:00

56

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

3

km/h

Humidity icon

58%

11:00

58

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

4

km/h

Humidity icon

50%

12:00

57

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

10

km/h

Humidity icon

47%

13:00

56

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

11

km/h

Humidity icon

48%

14:00

55

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

11

km/h

Humidity icon

50%

15:00

58

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

8

km/h

Humidity icon

55%

16:00

61

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

7

km/h

Humidity icon

56%

17:00

65

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

10

km/h

Humidity icon

62%

18:00

64

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

11

km/h

Humidity icon

73%

19:00

63

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

12

km/h

Humidity icon

73%

20:00

63

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

9

km/h

Humidity icon

71%

21:00

62

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

3

km/h

Humidity icon

71%

22:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

6

km/h

Humidity icon

73%

23:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

5

km/h

Humidity icon

75%

Fri

00:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 13 degree

2

km/h

Humidity icon

76%

01:00

59

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

6

km/h

Humidity icon

78%

02:00

58

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

10

km/h

Humidity icon

76%

03:00

59

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

15

km/h

Humidity icon

74%

04:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

18

km/h

Humidity icon

74%

05:00

63

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

21

km/h

Humidity icon

69%

06:00

62

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

23

km/h

Humidity icon

67%

07:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

21

km/h

Humidity icon

64%

08:00

60

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

22

km/h

Humidity icon

61%

09:00

59

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

21

km/h

Humidity icon

62%

10:00

58

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

26

km/h

Humidity icon

60%

11:00

58

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

27

km/h

Humidity icon

57%

Daily forecast

|

San Mateo air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in San Mateo?

IQAir Check icon

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

air quality map

Real-time San Mateo air pollution map

Health recommendations

Protect yourself from air pollution in San Mateo

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Air Purifiers

Face Masks

Air Quality Monitors

Health recommendations

air quality map

Real-time San Mateo air pollution map

Protect yourself from air pollution in San Mateo

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near San Mateo

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in San Mateo

#StationsAQI⁺ US
1
The national flag of Philippines

Barangay Fortune - Santan Street

20

2
The national flag of Philippines

Tivoli

18

City ranking

Real-time Philippines AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Philippines

Caloocan, National Capital Region

132

2
The national flag of Philippines

Pasay, National Capital Region

88

3
The national flag of Philippines

Port Area, National Capital Region

81

4
The national flag of Philippines

Marikina, National Capital Region

79

5
The national flag of Philippines

Makati, National Capital Region

77

6
The national flag of Philippines

Mandaluyong, National Capital Region

76

7
The national flag of Philippines

Valenzuela, National Capital Region

73

8
The national flag of Philippines

Paranaque, National Capital Region

68

9
The national flag of Philippines

Pasig City, National Capital Region

57

10
The national flag of Philippines

Ungca, Western Visayas

55

History

Historic air quality graph for San Mateo

6 AQI⁺ US
Good
11:00–12:00 Oct 20 Local time
AQI⁺ US

History

Historic air quality graph for San Mateo

6 AQI⁺ US
Good
11:00–12:00 Oct 20 Local time
AQI⁺ US

Most polluted locations near San Mateo

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in San Mateo

#StationsAQI⁺ US
1
The national flag of Philippines

Barangay Fortune - Santan Street

20

2
The national flag of Philippines

Tivoli

18

City ranking

Real-time Philippines AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Philippines

Caloocan, National Capital Region

132

2
The national flag of Philippines

Pasay, National Capital Region

88

3
The national flag of Philippines

Port Area, National Capital Region

81

4
The national flag of Philippines

Marikina, National Capital Region

79

5
The national flag of Philippines

Makati, National Capital Region

77

6
The national flag of Philippines

Mandaluyong, National Capital Region

76

7
The national flag of Philippines

Valenzuela, National Capital Region

73

8
The national flag of Philippines

Paranaque, National Capital Region

68

9
The national flag of Philippines

Pasig City, National Capital Region

57

10
The national flag of Philippines

Ungca, Western Visayas

55

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