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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 • 09:00, Jun 22 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

1.9 µg/m³

14°

3 km/h

95 %

Data source: PurpleAir

Hourly forecast

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

Now

14°

km/h

95%

10:00

15°

km/h

93%

11:00

16°

km/h

88%

12:00

18°

km/h

80%

13:00

18°

km/h

78%

14:00

18°

km/h

78%

15:00

17°

km/h

78%

16:00

17°

km/h

80%

17:00

17°

km/h

81%

18:00

16°

km/h

82%

19:00

15°

km/h

87%

20:00

13°

km/h

94%

21:00

12°

km/h

100%

22:00

12°

km/h

99%

23:00

12°

km/h

98%

Tue

00:00

12°

km/h

99%

01:00

11°

km/h

100%

02:00

12°

km/h

92%

03:00

12°

km/h

90%

04:00

12°

km/h

93%

05:00

12°

km/h

97%

06:00

11°

km/h

99%

07:00

12°

km/h

98%

08:00

13°

km/h

97%

09:00

14°

km/h

84%

10:00

16°

km/h

79%

11:00

17°

km/h

77%

12:00

17°

km/h

76%

13:00

18°

km/h

75%

14:00

18°

km/h

75%

15:00

18°

km/h

75%

16:00

18°

km/h

74%

17:00

17°

km/h

75%

18:00

16°

km/h

79%

19:00

15°

km/h

84%

20:00

13°

km/h

91%

21:00

13°

km/h

96%

22:00

13°

km/h

91%

23:00

13°

km/h

87%

Wed

00:00

13°

km/h

95%

01:00

12°

km/h

99%

02:00

90%

12°

km/h

99%

03:00

11°

km/h

99%

04:00

11°

km/h

99%

05:00

11°

km/h

99%

06:00

12°

km/h

88%

07:00

13°

km/h

89%

08:00

15°

km/h

88%

09:00

18°

km/h

86%

10:00

21°

km/h

88%

11:00

22°

km/h

93%

12:00

22°

km/h

95%

13:00

21°

km/h

93%

14:00

22°

km/h

92%

15:00

23°

km/h

94%

16:00

22°

km/h

95%

17:00

22°

km/h

95%

18:00

20°

km/h

93%

19:00

18°

km/h

92%

20:00

16°

km/h

91%

21:00

13°

km/h

92%

22:00

13°

km/h

91%

23:00

12°

km/h

88%

Thu

00:00

12°

km/h

86%

01:00

12°

km/h

85%

02:00

11°

km/h

87%

03:00

11°

km/h

87%

04:00

11°

km/h

86%

05:00

11°

km/h

83%

06:00

11°

km/h

84%

07:00

13°

km/h

85%

08:00

15°

km/h

86%

Daily forecast

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

Today

18°

12°

km/h

89%

Tue

18°

11°

km/h

84%

Wed

23°

12°

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

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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

11 AQI⁺ US

Good

08:00–09:00 Jun 22 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	34
2	920 Bear Gulch Road	29
3	Dirt Alpine	24
4	Arlington Way	18
5	Alberta Glen	15
6	Cerrito Avenue	13
7	Durham Road	9
8	480 Tunitas Creek Road	6
9	Alexander Avenue	4
10	Experimental Facilities Dept Shops EFD	4

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Stafford, Virginia	124
2	Claremont, California	108
3	Glendora, California	108
4	Monterey Park, California	106
5	East Los Angeles, California	97
6	Burnet, Texas	92
7	La Verne, California	89
8	San Bernardino County, California	85
9	Hacienda Heights, California	77
10	Whittier, California	75