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Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 899 Followers • 15:00, Aug 24 Local time

US AQI⁺

Good

Main pollutant:

O₃

70 µg/m³

38°

11 km/h

25 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

38°

km/h

25%

16:00

39°

km/h

23%

17:00

39°

km/h

23%

18:00

39°

km/h

23%

19:00

37°

km/h

24%

20:00

34°

km/h

33%

21:00

32°

km/h

38%

22:00

31°

km/h

44%

23:00

30°

km/h

57%

Tue

00:00

28°

km/h

59%

01:00

26°

km/h

66%

02:00

25°

km/h

76%

03:00

24°

km/h

82%

04:00

23°

km/h

85%

05:00

23°

km/h

88%

06:00

23°

km/h

89%

07:00

23°

km/h

91%

08:00

24°

km/h

94%

09:00

24°

km/h

91%

10:00

26°

km/h

84%

11:00

30°

km/h

60%

12:00

34°

km/h

37%

13:00

36°

km/h

31%

14:00

38°

km/h

28%

15:00

39°

km/h

25%

16:00

39°

km/h

23%

17:00

39°

km/h

24%

18:00

39°

km/h

22%

19:00

37°

km/h

24%

20:00

34°

km/h

32%

21:00

32°

km/h

39%

22:00

31°

km/h

46%

23:00

30°

km/h

57%

Wed

00:00

28°

km/h

59%

01:00

26°

km/h

61%

02:00

25°

km/h

64%

03:00

24°

km/h

70%

04:00

24°

km/h

74%

05:00

23°

km/h

80%

06:00

22°

km/h

89%

07:00

22°

km/h

95%

08:00

23°

km/h

89%

09:00

26°

km/h

79%

10:00

29°

km/h

65%

11:00

33°

km/h

49%

12:00

35°

km/h

36%

13:00

37°

km/h

30%

14:00

38°

km/h

27%

15:00

39°

km/h

25%

16:00

40°

km/h

24%

17:00

40°

km/h

23%

18:00

40°

km/h

22%

19:00

39°

km/h

23%

20:00

80%

35°

km/h

33%

21:00

80%

33°

km/h

42%

22:00

32°

km/h

48%

23:00

30°

km/h

55%

Thu

00:00

28°

km/h

60%

01:00

27°

km/h

63%

02:00

70%

26°

km/h

71%

03:00

26°

km/h

74%

04:00

25°

km/h

76%

05:00

25°

km/h

78%

06:00

24°

km/h

79%

07:00

24°

km/h

79%

08:00

25°

km/h

74%

09:00

27°

km/h

70%

10:00

28°

km/h

60%

11:00

31°

km/h

49%

12:00

34°

km/h

41%

13:00

36°

km/h

36%

14:00

37°

km/h

33%

Daily forecast

San Marcos air quality index (AQI⁺) forecast

Today

39°

23°

km/h

44%

Tue

39°

23°

km/h

49%

Wed

40°

22°

km/h

47%

Air pollutants

What is the current air quality in San Marcos?

PM2.5 concentration is currently 1.1 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

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 Marcos today?

Index

None

Tree

None

Grass

None

Weed

None

Source:

wetter.com

Pollen forecast in San Marcos

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Marcos air pollution map

Pollen

What is the pollen count in San Marcos today?

Index

None

Tree

None

Grass

None

Weed

None

Source:

wetter.com

Pollen forecast in San Marcos

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

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 Marcos

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in San Marcos

#	Stations	AQI⁺ US
1	CAPCOG San Marcos Staples Road	54
2	Hays County Health Department	31

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	East Wenatchee, Washington	193
2	Douglas, Washington	186
3	Chelan County, Washington	184
4	Wenatchee, Washington	182
5	Leavenworth, Washington	156
6	Kendall, Washington	130
7	Peaceful Valley, Washington	128
8	Pasco, Washington	122
9	Chelan, Washington	117
10	Ellensburg, Washington	109

History

Historic air quality graph for San Marcos

31 AQI⁺ US

Good

14:00–15:00 Aug 24 Local time

AQI⁺ US

History

Historic air quality graph for San Marcos

31 AQI⁺ US

Good

14:00–15:00 Aug 24 Local time

AQI⁺ US

Most polluted locations near San Marcos

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in San Marcos

#	Stations	AQI⁺ US
1	CAPCOG San Marcos Staples Road	54
2	Hays County Health Department	31

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	East Wenatchee, Washington	193
2	Douglas, Washington	186
3	Chelan County, Washington	184
4	Wenatchee, Washington	182
5	Leavenworth, Washington	156
6	Kendall, Washington	130
7	Peaceful Valley, Washington	128
8	Pasco, Washington	122
9	Chelan, Washington	117
10	Ellensburg, Washington	109