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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 • 03:00, Jun 18 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

0.4 µg/m³

13°

11 km/h

99 %

Data source: PurpleAir

Hourly forecast

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

Now

13°

km/h

99%

06:00

40%

13°

km/h

99%

07:00

90%

13°

km/h

98%

08:00

13°

km/h

91%

09:00

15°

km/h

83%

10:00

16°

km/h

78%

11:00

18°

km/h

74%

12:00

19°

km/h

71%

13:00

19°

km/h

70%

14:00

19°

km/h

70%

15:00

19°

km/h

72%

16:00

18°

km/h

76%

17:00

17°

km/h

79%

18:00

16°

km/h

85%

19:00

15°

km/h

87%

20:00

90%

14°

km/h

92%

21:00

14°

km/h

96%

22:00

90%

14°

km/h

98%

23:00

90%

14°

km/h

98%

Fri

00:00

14°

km/h

99%

01:00

90%

13°

km/h

98%

02:00

90%

13°

km/h

97%

03:00

13°

km/h

97%

04:00

90%

13°

km/h

98%

05:00

90%

13°

km/h

99%

06:00

13°

km/h

98%

07:00

13°

km/h

93%

08:00

90%

14°

km/h

98%

09:00

14°

km/h

95%

10:00

15°

km/h

87%

11:00

17°

km/h

76%

12:00

18°

km/h

73%

13:00

17°

km/h

74%

14:00

18°

km/h

74%

15:00

17°

km/h

80%

16:00

90%

15°

km/h

88%

17:00

15°

km/h

85%

18:00

14°

km/h

89%

19:00

90%

14°

km/h

91%

20:00

90%

14°

km/h

92%

21:00

13°

km/h

96%

22:00

13°

km/h

95%

23:00

13°

km/h

95%

Sat

00:00

13°

km/h

96%

01:00

90%

13°

km/h

99%

02:00

90%

13°

km/h

99%

03:00

13°

km/h

99%

04:00

13°

km/h

96%

05:00

90%

13°

km/h

96%

06:00

13°

km/h

75%

07:00

15°

km/h

79%

08:00

16°

km/h

79%

09:00

18°

km/h

78%

10:00

19°

km/h

79%

11:00

20°

km/h

82%

12:00

21°

km/h

82%

13:00

20°

km/h

81%

14:00

20°

km/h

82%

15:00

20°

km/h

83%

16:00

20°

km/h

84%

17:00

19°

km/h

84%

18:00

18°

km/h

84%

19:00

17°

km/h

85%

20:00

14°

km/h

91%

21:00

12°

km/h

91%

22:00

12°

km/h

89%

23:00

11°

km/h

87%

Sun

00:00

11°

km/h

86%

01:00

11°

km/h

86%

02:00

11°

km/h

87%

03:00

11°

km/h

86%

04:00

11°

km/h

85%

Daily forecast

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

Today

19°

13°

km/h

84%

Fri

18°

13°

km/h

87%

Sat

21°

12°

km/h

83%

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

2 AQI⁺ US

Good

02:00–03:00 Jun 18 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	9
2	Dirt Alpine	7
3	Experimental Facilities Dept Shops EFD	7
4	265 Old Spanish Trail	2
5	480 Tunitas Creek Road	2
6	920 Bear Gulch Road	2
7	Alberta Glen	2
8	Alexander Avenue	1
9	Alpine Road	1
10	Durham Road	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	178
2	Mission, Texas	100
3	El Paso, Texas	99
4	San Antonio, Texas	93
5	Baytown, Texas	89
6	Palm Desert, California	89
7	Albuquerque, New Mexico	88
8	Pasadena, Texas	84
9	South Valley, New Mexico	83
10	Corpus Christi, Texas	80