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Air quality near San Gregorio, San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution near San Gregorio, San Mateo County • 23 Followers • 03:00, Jun 12 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

3.8 µg/m³

17°

3 km/h

79 %

Data source: PurpleAir

Hourly forecast

San Gregorio, San Mateo County air quality index (AQI⁺) forecast

Now

17°

km/h

79%

04:00

16°

km/h

80%

05:00

17°

km/h

80%

06:00

17°

km/h

77%

07:00

18°

km/h

70%

08:00

20°

km/h

66%

09:00

22°

km/h

66%

10:00

23°

km/h

70%

11:00

23°

km/h

68%

12:00

24°

km/h

67%

13:00

24°

km/h

65%

14:00

24°

km/h

64%

15:00

24°

km/h

63%

16:00

23°

km/h

63%

17:00

22°

km/h

64%

18:00

24°

km/h

94%

19:00

21°

km/h

94%

20:00

17°

km/h

96%

21:00

15°

km/h

94%

22:00

15°

km/h

93%

23:00

15°

km/h

91%

Sat

00:00

15°

km/h

91%

01:00

15°

km/h

91%

02:00

14°

km/h

92%

03:00

14°

km/h

91%

04:00

14°

km/h

91%

05:00

14°

km/h

91%

06:00

14°

km/h

90%

07:00

17°

km/h

88%

08:00

20°

km/h

87%

09:00

23°

km/h

87%

10:00

25°

km/h

87%

11:00

26°

km/h

86%

12:00

27°

km/h

90%

13:00

26°

km/h

91%

14:00

26°

km/h

91%

15:00

25°

km/h

89%

16:00

25°

km/h

87%

17:00

23°

km/h

85%

18:00

22°

km/h

86%

19:00

20°

km/h

88%

20:00

17°

km/h

88%

21:00

15°

km/h

90%

22:00

14°

km/h

89%

23:00

14°

km/h

87%

Sun

00:00

15°

km/h

86%

01:00

15°

km/h

86%

02:00

14°

km/h

89%

03:00

14°

km/h

90%

04:00

13°

km/h

90%

05:00

13°

km/h

90%

06:00

13°

km/h

89%

07:00

16°

km/h

87%

08:00

19°

km/h

84%

09:00

22°

km/h

86%

10:00

23°

km/h

91%

11:00

24°

km/h

94%

12:00

25°

km/h

92%

13:00

24°

km/h

92%

14:00

24°

km/h

93%

15:00

23°

km/h

94%

16:00

23°

km/h

93%

17:00

23°

km/h

93%

18:00

22°

km/h

92%

19:00

21°

km/h

91%

20:00

18°

km/h

92%

21:00

15°

km/h

93%

22:00

15°

km/h

91%

23:00

15°

km/h

90%

Mon

00:00

14°

km/h

89%

01:00

14°

km/h

90%

02:00

14°

km/h

90%

Daily forecast

San Gregorio, San Mateo County air quality index (AQI⁺) forecast

Today

24°

15°

km/h

75%

Sat

27°

14°

km/h

88%

Sun

25°

13°

km/h

91%

Air pollutants

What is the current air quality near San Gregorio?

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

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Gregorio, San Mateo County air pollution map

Pollen

What is the pollen count in San Gregorio today?

Index

Moderate

Tree

None

Grass

Moderate

50%

Weed

None

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in San Gregorio

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Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in San Gregorio today?

Index

Moderate

Tree

None

Grass

Moderate

50%

Weed

None

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for San Gregorio

21 AQI⁺ US

Good

02:00–03:00 Jun 12 Local time

AQI⁺ US

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Most polluted locations near San Gregorio, San Mateo County

Worldwide AQI⁺ ranking

Station ranking

Real-time San Gregorio AQI⁺ station ranking

#	Stations	AQI⁺ US
1	265 Old Spanish Trail	24
2	920 Bear Gulch Road	24
3	Alberta Glen	23
4	Dirt Alpine	23
5	Durham Road	23
6	Bear Gulch Road	20
7	Alpine Road	19
8	Arlington Way	14
9	480 Tunitas Creek Road	11
10	Alexander Avenue	2

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	186
2	San Juan, Utah	103
3	Crestline, California	78
4	Mariposa County, California	75
5	Macon-Bibb County, Georgia	73
6	Spartanburg, South Carolina	69
7	Albuquerque, New Mexico	68
8	Montgomery County, North Carolina	68
9	Portland, Maine	68
10	Forsyth County, Georgia	67