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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 • 16:00, Jun 01

Data source: PurpleAir

US AQI⁺

Moderate

Main pollutant:

PM2.5

9.2 µg/m³

17°

9 km/h

72 %

Data source: PurpleAir

Hourly forecast

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

Now

17°

km/h

72%

17:00

17°

km/h

73%

18:00

16°

km/h

79%

19:00

15°

km/h

84%

20:00

13°

km/h

93%

21:00

12°

km/h

96%

22:00

12°

km/h

95%

23:00

10°

km/h

99%

Tue

00:00

9°

km/h

100%

01:00

9°

km/h

98%

02:00

9°

km/h

98%

03:00

10°

km/h

98%

04:00

9°

km/h

98%

05:00

9°

km/h

98%

06:00

10°

km/h

98%

07:00

10°

km/h

98%

08:00

10°

km/h

96%

09:00

11°

km/h

96%

10:00

12°

km/h

96%

11:00

14°

km/h

95%

12:00

17°

km/h

75%

13:00

19°

km/h

74%

14:00

17°

km/h

75%

15:00

16°

km/h

75%

16:00

15°

km/h

77%

17:00

14°

km/h

78%

18:00

14°

km/h

83%

19:00

12°

km/h

88%

20:00

11°

km/h

97%

21:00

11°

km/h

98%

22:00

11°

km/h

98%

23:00

11°

km/h

98%

Wed

00:00

11°

km/h

98%

01:00

90%

10°

km/h

98%

02:00

90%

10°

km/h

98%

03:00

10°

km/h

98%

04:00

90%

10°

km/h

99%

05:00

90%

10°

km/h

99%

06:00

10°

km/h

99%

07:00

90%

10°

km/h

98%

08:00

90%

10°

km/h

98%

09:00

11°

km/h

97%

10:00

90%

12°

km/h

97%

11:00

90%

12°

km/h

94%

12:00

14°

km/h

84%

13:00

14°

km/h

80%

14:00

15°

km/h

73%

15:00

16°

km/h

67%

16:00

16°

km/h

65%

17:00

15°

km/h

66%

18:00

17°

km/h

88%

19:00

16°

km/h

90%

20:00

14°

km/h

91%

21:00

13°

km/h

93%

22:00

13°

km/h

91%

23:00

13°

km/h

91%

Thu

00:00

13°

km/h

93%

01:00

13°

km/h

91%

02:00

12°

km/h

89%

03:00

12°

km/h

87%

04:00

12°

km/h

86%

05:00

11°

km/h

88%

06:00

11°

km/h

89%

07:00

12°

km/h

88%

08:00

16°

km/h

86%

09:00

19°

km/h

90%

10:00

22°

km/h

96%

11:00

22°

km/h

97%

12:00

21°

km/h

97%

13:00

21°

km/h

97%

14:00

20°

km/h

97%

15:00

18°

km/h

96%

Daily forecast

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

Today

18°

10°

km/h

80%

Mon

19°

10°

km/h

88%

Tue

17°

10°

km/h

87%

Air pollutants

What is the current air quality near San Gregorio?

PM2.5 concentration is currently 1.8 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Sensitive groups should reduce outdoor exercise

Close your windows to avoid dirty outdoor air

Get a monitor

Sensitive groups should wear a mask outdoors

Get a mask

Sensitive groups should run an air purifier

Get an air purifier

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

Pollen

What is the pollen count in San Gregorio today?

Index

Moderate

Tree

Low

25%

Grass

Low

25%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in San Gregorio today?

Index

Moderate

Tree

Low

25%

Grass

Low

25%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for San Gregorio

51 AQI⁺ US

Moderate

15:00–16:00 Jun 01

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	Alberta Glen	41
2	Durham Road	41
3	Arlington Way	40
4	480 Tunitas Creek Road	39
5	920 Bear Gulch Road	38
6	Alexander Avenue	38
7	Belle Roche Court	37
8	265 Old Spanish Trail	35
9	Dirt Alpine	33
10	Alpine Road	28

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Riverside, California	178
2	Las Vegas, Nevada	136
3	Avenal, California	97
4	Gardena, California	84
5	Mission, Texas	69
6	Austin, Texas	63
7	Coconino, Arizona	63
8	Jurupa Valley, California	62
9	La Crescenta-Montrose, California	61
10	Memphis, Tennessee	61