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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 • 04:00, Jun 14 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

3.3 µg/m³

14°

1 km/h

95 %

Data source: PurpleAir

Hourly forecast

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

Now

14°

km/h

95%

05:00

14°

km/h

93%

06:00

13°

km/h

96%

07:00

14°

km/h

92%

08:00

15°

km/h

85%

09:00

17°

km/h

82%

10:00

18°

km/h

79%

11:00

19°

km/h

77%

12:00

20°

km/h

76%

13:00

20°

km/h

77%

14:00

20°

km/h

76%

15:00

19°

km/h

77%

16:00

19°

km/h

80%

17:00

18°

km/h

83%

18:00

18°

km/h

84%

19:00

17°

km/h

90%

20:00

15°

km/h

96%

21:00

14°

km/h

98%

22:00

14°

km/h

98%

23:00

14°

km/h

98%

Mon

00:00

13°

km/h

98%

01:00

13°

km/h

98%

02:00

13°

km/h

98%

03:00

13°

km/h

98%

04:00

13°

km/h

97%

05:00

13°

km/h

99%

06:00

13°

km/h

100%

07:00

13°

km/h

98%

08:00

13°

km/h

97%

09:00

15°

km/h

96%

10:00

16°

km/h

83%

11:00

17°

km/h

78%

12:00

18°

km/h

75%

13:00

19°

km/h

74%

14:00

20°

km/h

72%

15:00

20°

km/h

70%

16:00

20°

km/h

70%

17:00

19°

km/h

73%

18:00

17°

km/h

76%

19:00

16°

km/h

79%

20:00

14°

km/h

87%

21:00

13°

km/h

95%

22:00

12°

km/h

96%

23:00

12°

km/h

94%

Tue

00:00

12°

km/h

94%

01:00

11°

km/h

96%

02:00

11°

km/h

96%

03:00

11°

km/h

97%

04:00

11°

km/h

95%

05:00

10°

km/h

94%

06:00

14°

km/h

88%

07:00

16°

km/h

87%

08:00

20°

km/h

84%

09:00

22°

km/h

82%

10:00

24°

km/h

82%

11:00

25°

km/h

84%

12:00

25°

km/h

85%

13:00

26°

km/h

86%

14:00

26°

km/h

86%

15:00

27°

km/h

88%

16:00

26°

km/h

92%

17:00

25°

km/h

92%

18:00

24°

km/h

91%

19:00

22°

km/h

88%

20:00

18°

km/h

84%

21:00

15°

km/h

82%

22:00

14°

km/h

84%

23:00

14°

km/h

87%

Wed

00:00

14°

km/h

88%

01:00

14°

km/h

88%

02:00

14°

km/h

89%

03:00

14°

km/h

89%

Daily forecast

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

Today

20°

13°

km/h

85%

Mon

20°

12°

km/h

83%

Tue

27°

14°

km/h

86%

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

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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

18 AQI⁺ US

Good

03:00–04:00 Jun 14 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	920 Bear Gulch Road	23
2	Arlington Way	19
3	Dirt Alpine	19
4	Alberta Glen	17
5	265 Old Spanish Trail	16
6	Alpine Road	16
7	480 Tunitas Creek Road	14
8	Durham Road	13
9	Bear Gulch Road	6
10	Alexander Avenue	4

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Mission, Texas	97
2	East Los Angeles, California	77
3	Greenville, North Carolina	73
4	Glendora, California	71
5	Pahrump, Nevada	71
6	Huntington Park, California	69
7	Alhambra, California	67
8	Florence-Graham, California	67
9	Pitt County, North Carolina	67
10	New Braunfels, Texas	66