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Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 13 Followers • 04:00, May 10 Local time

49*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

8.9 µg/m³

weather condition icon

10°

wind direction icon

6 km/h

weather humid icon

94 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

49

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

6

km/h

Humidity icon

94%

06:00

49

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

7

km/h

Humidity icon

92%

07:00

50

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

6

km/h

Humidity icon

90%

08:00

50

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12°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

6

km/h

Humidity icon

84%

09:00

49

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

7

km/h

Humidity icon

76%

10:00

49

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

8

km/h

Humidity icon

68%

11:00

47

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

9

km/h

Humidity icon

63%

12:00

44

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

10

km/h

Humidity icon

60%

13:00

42

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

9

km/h

Humidity icon

62%

14:00

40

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

9

km/h

Humidity icon

65%

15:00

38

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

9

km/h

Humidity icon

65%

16:00

37

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 31 degree

11

km/h

Humidity icon

66%

17:00

33

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

10

km/h

Humidity icon

72%

18:00

29

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

9

km/h

Humidity icon

88%

19:00

26

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

8

km/h

Humidity icon

93%

20:00

23

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

7

km/h

Humidity icon

96%

21:00

20

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 15 degree

5

km/h

Humidity icon

96%

22:00

18

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

3

km/h

Humidity icon

95%

23:00

25

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

3

km/h

Humidity icon

96%

Mon

00:00

32

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

2

km/h

Humidity icon

95%

01:00

39

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

1

km/h

Humidity icon

94%

02:00

37

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

3

km/h

Humidity icon

96%

03:00

35

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

2

km/h

Humidity icon

96%

04:00

34

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

3

km/h

Humidity icon

95%

05:00

31

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

3

km/h

Humidity icon

93%

06:00

29

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

4

km/h

Humidity icon

92%

07:00

27

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

3

km/h

Humidity icon

88%

08:00

24

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

4

km/h

Humidity icon

83%

09:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

7

km/h

Humidity icon

77%

10:00

18

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

9

km/h

Humidity icon

69%

11:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 26 degree

9

km/h

Humidity icon

62%

12:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

7

km/h

Humidity icon

58%

13:00

19

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

10

km/h

Humidity icon

57%

14:00

20

Weather icon

90%

17°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

10

km/h

Humidity icon

62%

15:00

21

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

6

km/h

Humidity icon

72%

16:00

23

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 1 degree

7

km/h

Humidity icon

79%

17:00

26

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

10

km/h

Humidity icon

88%

18:00

29

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

10

km/h

Humidity icon

95%

19:00

33

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

9

km/h

Humidity icon

97%

20:00

35

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

9

km/h

Humidity icon

94%

21:00

38

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

8

km/h

Humidity icon

93%

22:00

41

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

6

km/h

Humidity icon

92%

23:00

44

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 48 degree

4

km/h

Humidity icon

87%

Tue

00:00

47

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

5

km/h

Humidity icon

89%

01:00

51

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

6

km/h

Humidity icon

91%

02:00

51

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

3

km/h

Humidity icon

96%

03:00

51

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

1

km/h

Humidity icon

95%

04:00

52

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

3

km/h

Humidity icon

93%

05:00

52

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

3

km/h

Humidity icon

90%

06:00

52

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

3

km/h

Humidity icon

87%

07:00

52

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

2

km/h

Humidity icon

81%

08:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

1

km/h

Humidity icon

71%

09:00

54

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

4

km/h

Humidity icon

59%

10:00

55

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

8

km/h

Humidity icon

49%

11:00

54

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

11

km/h

Humidity icon

43%

12:00

53

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

16

km/h

Humidity icon

41%

13:00

52

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 357 degree

13

km/h

Humidity icon

38%

14:00

49

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 354 degree

14

km/h

Humidity icon

35%

15:00

46

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

17

km/h

Humidity icon

37%

16:00

43

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

14

km/h

Humidity icon

43%

17:00

45

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

9

km/h

Humidity icon

48%

18:00

47

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

6

km/h

Humidity icon

68%

19:00

49

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

5

km/h

Humidity icon

77%

20:00

51

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

6

km/h

Humidity icon

83%

21:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

6

km/h

Humidity icon

89%

22:00

56

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

6

km/h

Humidity icon

95%

23:00

57

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

5

km/h

Humidity icon

98%

Wed

00:00

58

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

5

km/h

Humidity icon

98%

01:00

59

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 25 degree

3

km/h

Humidity icon

94%

02:00

59

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

3

km/h

Humidity icon

93%

03:00

59

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

4

km/h

Humidity icon

89%

04:00

59

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

3

km/h

Humidity icon

88%

Daily forecast

|

San Marcos air quality index (AQI⁺) forecast

Today

47

Weather icon

17°

10°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

11

km/h

Humidity icon

78%

Mon

26

Weather icon

18°

10°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

10

km/h

Humidity icon

80%

Tue

48

Weather icon

20°

8°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

17

km/h

Humidity icon

61%

Air pollutants

What is the current air quality in San Marcos?

IQAir exclamation icon

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

air quality map

Real-time San Marcos air pollution map

Health recommendations

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Enjoy outdoor activities

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Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in San Marcos

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Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor
air quality map

Real-time San Marcos air pollution map

Protect yourself from air pollution in San Marcos

SHOP IQAIR PRODUCTS

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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

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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

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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⁺ rankingArrow icon

City ranking

Real-time Peru AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Peru

Pucallpa, Ucayali

69

2
The national flag of Peru

Lima, Lima

63

History

Historic air quality graph for San Marcos

49 AQI⁺ US
Good
04:00–05:00 May 10 Local time
AQI⁺ US

History

Historic air quality graph for San Marcos

49 AQI⁺ US
Good
04:00–05:00 May 10 Local time
AQI⁺ US

Most polluted locations near San Marcos

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Peru AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Peru

Pucallpa, Ucayali

69

2
The national flag of Peru

Lima, Lima

63

Be the first to measure and contribute air quality data to your community

Become a contributor
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Where is the cleanest air quality in San Marcos?

No locations are available.