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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 • 18:00, Jun 16 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

3.4 µg/m³

16°

9 km/h

89 %

Data source: PurpleAir

Hourly forecast

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

Now

16°

km/h

89%

19:00

15°

km/h

97%

20:00

14°

km/h

98%

21:00

13°

km/h

98%

22:00

13°

km/h

98%

23:00

13°

km/h

98%

Wed

00:00

13°

km/h

98%

01:00

13°

km/h

99%

02:00

12°

km/h

99%

03:00

12°

km/h

99%

04:00

12°

km/h

99%

05:00

11°

km/h

99%

06:00

11°

km/h

99%

07:00

12°

km/h

98%

08:00

13°

km/h

97%

09:00

15°

km/h

84%

10:00

18°

km/h

78%

11:00

19°

km/h

74%

12:00

20°

km/h

72%

13:00

21°

km/h

70%

14:00

21°

km/h

69%

15:00

20°

km/h

71%

16:00

19°

km/h

73%

17:00

18°

km/h

77%

18:00

17°

km/h

83%

19:00

15°

km/h

90%

20:00

14°

km/h

95%

21:00

13°

km/h

95%

22:00

13°

km/h

97%

23:00

13°

km/h

98%

Thu

00:00

12°

km/h

98%

01:00

12°

km/h

98%

02:00

12°

km/h

98%

03:00

12°

km/h

98%

04:00

12°

km/h

97%

05:00

12°

km/h

97%

06:00

12°

km/h

97%

07:00

12°

km/h

94%

08:00

14°

km/h

86%

09:00

16°

km/h

83%

10:00

17°

km/h

78%

11:00

19°

km/h

74%

12:00

20°

km/h

70%

13:00

20°

km/h

69%

14:00

20°

km/h

67%

15:00

20°

km/h

69%

16:00

19°

km/h

71%

17:00

18°

km/h

76%

18:00

18°

km/h

82%

19:00

17°

km/h

83%

20:00

15°

km/h

81%

21:00

13°

km/h

83%

22:00

13°

km/h

84%

23:00

13°

km/h

83%

Fri

00:00

14°

km/h

79%

01:00

14°

km/h

79%

02:00

14°

km/h

79%

03:00

14°

km/h

83%

04:00

14°

km/h

77%

05:00

14°

km/h

83%

06:00

14°

km/h

85%

07:00

14°

km/h

85%

08:00

15°

km/h

83%

09:00

16°

km/h

82%

10:00

18°

km/h

82%

11:00

20°

km/h

82%

12:00

20°

km/h

83%

13:00

20°

km/h

83%

14:00

20°

km/h

84%

15:00

20°

km/h

84%

16:00

19°

km/h

84%

17:00

18°

km/h

83%

Daily forecast

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

Today

21°

11°

km/h

84%

Wed

20°

12°

km/h

79%

Thu

20°

14°

km/h

81%

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

Low

Tree

Low

25%

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast

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Pollen

What is the pollen count in San Gregorio today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for San Gregorio

19 AQI⁺ US

Good

17:00–18:00 Jun 16 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	23
2	920 Bear Gulch Road	23
3	Dirt Alpine	22
4	Alberta Glen	21
5	Alexander Avenue	21
6	Arlington Way	21
7	Durham Road	20
8	Cerrito Avenue	17
9	480 Tunitas Creek Road	16
10	Alpine Road	16

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Crestline, California	111
2	Memphis, Tennessee	109
3	Glendora, California	106
4	Hesperia, California	106
5	Calexico, California	105
6	Victorville, California	105
7	Santa Clarita, California	104
8	Eddy County, New Mexico	102
9	Gila, Arizona	101
10	Tulare County, California	101