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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 • 13:00, Jun 17 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

4.2 µg/m³

20°

17 km/h

74 %

Data source: PurpleAir

Hourly forecast

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

Now

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%

12:00

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

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

None

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

None

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for San Gregorio

23 AQI⁺ US

Good

12:00–13:00 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	34
2	920 Bear Gulch Road	31
3	265 Old Spanish Trail	30
4	Dirt Alpine	29
5	Alpine Road	28
6	Alberta Glen	26
7	Durham Road	26
8	Experimental Facilities Dept Shops EFD	26
9	Alexander Avenue	24
10	480 Tunitas Creek Road	18

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	111
2	Box Elder County, Utah	95
3	East Hartford, Connecticut	95
4	Greensboro, North Carolina	91
5	Virginia Beach, Virginia	88
6	Prince George's County, Maryland	86
7	Pitt County, North Carolina	85
8	Raleigh, North Carolina	85
9	Stafford, Virginia	83
10	Winston-Salem, North Carolina	83