World

San Luis Obispo County

Add

Air quality in San Luis Obispo County

Air quality index (AQI⁺) and PM2.5 air pollution in San Luis Obispo County • 08:00, Jun 18 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

3.5 µg/m³

14°

7 km/h

95 %

Hourly forecast

San Luis Obispo County air quality index (AQI⁺) forecast

Now

14°

km/h

95%

09:00

18°

km/h

61%

10:00

20°

km/h

54%

11:00

22°

km/h

49%

12:00

22°

km/h

48%

13:00

22°

km/h

51%

14:00

22°

km/h

50%

15:00

22°

km/h

50%

16:00

21°

km/h

54%

17:00

20°

km/h

59%

18:00

18°

km/h

65%

19:00

16°

km/h

74%

20:00

13°

km/h

85%

21:00

12°

km/h

93%

22:00

11°

km/h

97%

23:00

10°

km/h

98%

Fri

00:00

10°

km/h

98%

01:00

10°

km/h

99%

02:00

9°

km/h

99%

03:00

9°

km/h

100%

04:00

8°

km/h

98%

05:00

8°

km/h

98%

06:00

8°

km/h

98%

07:00

8°

km/h

97%

08:00

11°

km/h

95%

09:00

15°

km/h

65%

10:00

18°

km/h

53%

11:00

19°

km/h

46%

12:00

21°

km/h

41%

13:00

22°

km/h

38%

14:00

22°

km/h

40%

15:00

21°

km/h

45%

16:00

20°

km/h

50%

17:00

19°

km/h

58%

18:00

17°

km/h

64%

19:00

15°

km/h

72%

20:00

13°

km/h

84%

21:00

11°

km/h

93%

22:00

10°

km/h

94%

23:00

10°

km/h

95%

Sat

00:00

9°

km/h

100%

01:00

9°

km/h

99%

02:00

8°

km/h

98%

03:00

8°

km/h

95%

04:00

10°

km/h

66%

05:00

10°

km/h

58%

06:00

8°

km/h

91%

07:00

10°

km/h

78%

08:00

14°

km/h

60%

09:00

17°

km/h

46%

10:00

20°

km/h

35%

11:00

22°

km/h

29%

12:00

24°

km/h

26%

13:00

25°

km/h

25%

14:00

25°

km/h

26%

15:00

25°

km/h

27%

16:00

24°

km/h

26%

17:00

23°

km/h

28%

18:00

21°

km/h

34%

19:00

19°

km/h

43%

20:00

15°

km/h

60%

21:00

11°

km/h

80%

22:00

10°

km/h

89%

23:00

9°

km/h

91%

Sun

00:00

9°

km/h

90%

01:00

9°

km/h

87%

02:00

9°

km/h

83%

03:00

9°

km/h

81%

04:00

9°

km/h

82%

05:00

9°

km/h

85%

06:00

10°

km/h

88%

07:00

13°

km/h

73%

Daily forecast

San Luis Obispo County air quality index (AQI⁺) forecast

Today

22°

11°

km/h

69%

Fri

22°

8°

km/h

66%

Sat

25°

8°

km/h

47%

Air pollutants

What is the current air quality in San Luis Obispo County?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Real-time San Luis Obispo County air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in San Luis Obispo County

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in San Luis Obispo County today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast in San Luis Obispo County

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Luis Obispo County air pollution map

Pollen

What is the pollen count in San Luis Obispo County today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast in San Luis Obispo County

Protect yourself from air pollution in San Luis Obispo County

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near San Luis Obispo County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in San Luis Obispo County

#	Stations	AQI⁺ US
1	Carrizo	50
2	Mesa 2 /Nipomo	39
3	Oso Flaco	39
4	Carrisa Plains Elementary	28
5	6110 Vista Serrano Way	25
6	California 58	21
7	Red Hills	18
8	6456-6522 Monte Rd	17
9	2687-2401 Hidden Mountain Rd	15
10	Estrella Road	2

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	101
2	South Valley, New Mexico	96
3	Montgomery County, Texas	95
4	San Antonio, Texas	88
5	Harris, Texas	85
6	Anaheim, California	84
7	Travis County, Texas	84
8	Corpus Christi, Texas	82
9	Pflugerville, Texas	80
10	Albany County, Wyoming	78

History

Historic air quality graph for San Luis Obispo County

19 AQI⁺ US

Good

07:00–08:00 Jun 18 Local time

AQI⁺ US

History

Historic air quality graph for San Luis Obispo County

19 AQI⁺ US

Good

07:00–08:00 Jun 18 Local time

AQI⁺ US

Most polluted locations near San Luis Obispo County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in San Luis Obispo County

#	Stations	AQI⁺ US
1	Carrizo	50
2	Mesa 2 /Nipomo	39
3	Oso Flaco	39
4	Carrisa Plains Elementary	28
5	6110 Vista Serrano Way	25
6	California 58	21
7	Red Hills	18
8	6456-6522 Monte Rd	17
9	2687-2401 Hidden Mountain Rd	15
10	Estrella Road	2

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	101
2	South Valley, New Mexico	96
3	Montgomery County, Texas	95
4	San Antonio, Texas	88
5	Harris, Texas	85
6	Anaheim, California	84
7	Travis County, Texas	84
8	Corpus Christi, Texas	82
9	Pflugerville, Texas	80
10	Albany County, Wyoming	78