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Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 4 Followers • 07:00, Sep 12 Local time

45*

US AQI⁺

Good

Main pollutant:

PM2.5

8.1 µg/m³

20°

12 km/h

53 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

20°

km/h

53%

10:00

22°

km/h

42%

11:00

24°

km/h

35%

12:00

25°

km/h

31%

13:00

26°

km/h

28%

14:00

27°

km/h

26%

15:00

27°

km/h

27%

16:00

25°

km/h

33%

17:00

24°

km/h

39%

18:00

23°

km/h

42%

19:00

21°

km/h

49%

20:00

20°

km/h

55%

21:00

19°

km/h

61%

22:00

18°

km/h

66%

23:00

18°

km/h

70%

Sun

00:00

17°

km/h

71%

01:00

17°

km/h

73%

02:00

16°

km/h

75%

03:00

16°

km/h

79%

04:00

15°

km/h

82%

05:00

14°

km/h

85%

06:00

14°

km/h

87%

07:00

16°

km/h

78%

08:00

18°

km/h

67%

09:00

20°

km/h

56%

10:00

22°

km/h

47%

11:00

24°

km/h

40%

12:00

25°

km/h

35%

13:00

25°

km/h

35%

14:00

24°

km/h

39%

15:00

22°

km/h

46%

16:00

22°

km/h

49%

17:00

21°

km/h

49%

18:00

21°

km/h

53%

19:00

19°

km/h

58%

20:00

19°

km/h

60%

21:00

18°

km/h

63%

22:00

18°

km/h

65%

23:00

17°

km/h

72%

Mon

00:00

16°

km/h

77%

01:00

16°

km/h

80%

02:00

70%

15°

km/h

82%

03:00

15°

km/h

85%

04:00

14°

km/h

87%

05:00

14°

km/h

89%

06:00

13°

km/h

89%

07:00

15°

km/h

80%

08:00

18°

km/h

65%

09:00

20°

km/h

54%

10:00

22°

km/h

46%

11:00

23°

km/h

41%

12:00

24°

km/h

38%

13:00

24°

km/h

39%

14:00

23°

km/h

43%

15:00

22°

km/h

48%

16:00

21°

km/h

52%

17:00

21°

km/h

52%

18:00

21°

km/h

54%

19:00

20°

km/h

60%

20:00

70%

18°

km/h

66%

21:00

18°

km/h

67%

22:00

18°

km/h

68%

23:00

17°

km/h

70%

Tue

00:00

17°

km/h

73%

01:00

17°

km/h

72%

02:00

16°

km/h

74%

03:00

17°

km/h

73%

04:00

17°

km/h

72%

05:00

16°

km/h

73%

06:00

16°

km/h

77%

07:00

16°

km/h

72%

08:00

17°

km/h

67%

Daily forecast

San Marcos air quality index (AQI⁺) forecast

Today

27°

14°

km/h

48%

Sun

25°

14°

km/h

55%

Mon

24°

13°

km/h

57%

Air pollutants

What is the current air quality in San Marcos?

PM2.5 concentration is currently 1.6 times the World Health Organization annual PM2.5 guideline value.

Real-time San Marcos 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 Marcos

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

Filtration for air conditioners

A cut-to-fit filtration for air conditioning systems, LifeShield Lite helps reduce dust in the air conditioner while capturing indoor air pollutants.

Lifeshield Lite

Sustainable, smart air purifiers

Elegantly designed using sustainably sourced beech wood, the Atem Earth delivers medical-grade filtration by capturing ultrafine particles with HyperHEPA technology.

Atem Series

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Marcos air pollution map

Protect yourself from air pollution in San Marcos

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

Filtration for air conditioners

A cut-to-fit filtration for air conditioning systems, LifeShield Lite helps reduce dust in the air conditioner while capturing indoor air pollutants.

Lifeshield Lite

Sustainable, smart air purifiers

Elegantly designed using sustainably sourced beech wood, the Atem Earth delivers medical-grade filtration by capturing ultrafine particles with HyperHEPA technology.

Atem Series