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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 • 12:00, Jun 17 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

3.8 µg/m³

20°

14 km/h

72 %

Data source: PurpleAir

Hourly forecast

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

Now

20°

km/h

72%

13:00

20°

km/h

74%

14:00

20°

km/h

75%

15:00

20°

km/h

76%

16:00

18°

km/h

80%

17:00

17°

km/h

85%

18:00

16°

km/h

89%

19:00

15°

km/h

96%

20:00

14°

km/h

98%

21:00

13°

km/h

98%

22:00

13°

km/h

98%

23:00

13°

km/h

98%

Thu

00:00

13°

km/h

98%

01:00

12°

km/h

97%

02:00

90%

12°

km/h

97%

03:00

12°

km/h

97%

04:00

90%

12°

km/h

97%

05:00

90%

12°

km/h

98%

06:00

12°

km/h

98%

07:00

90%

13°

km/h

96%

08:00

90%

13°

km/h

91%

09:00

15°

km/h

87%

10:00

16°

km/h

82%

11:00

18°

km/h

78%

12:00

19°

km/h

75%

13:00

19°

km/h

72%

14:00

19°

km/h

71%

15:00

19°

km/h

73%

16:00

18°

km/h

74%

17:00

17°

km/h

78%

18:00

16°

km/h

83%

19:00

90%

15°

km/h

90%

20:00

90%

14°

km/h

93%

21:00

14°

km/h

94%

22:00

90%

14°

km/h

93%

23:00

90%

13°

km/h

94%

Fri

00:00

13°

km/h

93%

01:00

90%

13°

km/h

93%

02:00

90%

13°

km/h

93%

03:00

13°

km/h

99%

04:00

90%

13°

km/h

99%

05:00

90%

12°

km/h

98%

06:00

12°

km/h

97%

07:00

12°

km/h

93%

08:00

13°

km/h

89%

09:00

15°

km/h

89%

10:00

90%

15°

km/h

90%

11:00

16°

km/h

83%

12:00

17°

km/h

75%

13:00

17°

km/h

72%

14:00

17°

km/h

75%

15:00

18°

km/h

72%

16:00

17°

km/h

73%

17:00

16°

km/h

79%

18:00

18°

km/h

84%

19:00

17°

km/h

84%

20:00

15°

km/h

80%

21:00

15°

km/h

77%

22:00

15°

km/h

75%

23:00

15°

km/h

79%

Sat

00:00

15°

km/h

76%

01:00

15°

km/h

73%

02:00

15°

km/h

73%

03:00

15°

km/h

74%

04:00

15°

km/h

74%

05:00

13°

km/h

77%

06:00

13°

km/h

77%

07:00

14°

km/h

75%

08:00

16°

km/h

75%

09:00

18°

km/h

76%

10:00

19°

km/h

79%

11:00

20°

km/h

82%

Daily forecast

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

Today

20°

12°

km/h

86%

Thu

19°

12°

km/h

84%

Fri

18°

12°

km/h

82%

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

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

Pollen

What is the pollen count in San Gregorio today?

Index

Low

Tree

None

Grass

Low

25%

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

Low

Tree

None

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for San Gregorio

21 AQI⁺ US

Good

11:00–12:00 Jun 17 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	Arlington Way	39
2	265 Old Spanish Trail	28
3	Dirt Alpine	28
4	920 Bear Gulch Road	27
5	Alberta Glen	25
6	Durham Road	24
7	Alexander Avenue	22
8	Alpine Road	18
9	480 Tunitas Creek Road	17
10	Cerrito Avenue	12

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Box Elder County, Utah	95
2	East Hartford, Connecticut	95
3	Greensboro, North Carolina	91
4	Virginia Beach, Virginia	88
5	Pitt County, North Carolina	85
6	Raleigh, North Carolina	85
7	Winston-Salem, North Carolina	83
8	St. Louis, Missouri	81
9	Charlotte, North Carolina	78
10	Spartanburg, South Carolina	78