WorldArrow icon
Arrow iconSan Marcos

Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 13 Followers • 13:00, May 07 Local time

39*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

7.1 µg/m³

weather condition icon

20°

wind direction icon

10 km/h

weather humid icon

51 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

39

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

10

km/h

Humidity icon

51%

17:00

40

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

10

km/h

Humidity icon

53%

18:00

41

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 58 degree

7

km/h

Humidity icon

67%

19:00

44

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 52 degree

6

km/h

Humidity icon

75%

20:00

44

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

5

km/h

Humidity icon

82%

21:00

45

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 25 degree

4

km/h

Humidity icon

86%

22:00

50

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

0

km/h

Humidity icon

88%

23:00

52

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

2

km/h

Humidity icon

89%

Fri

00:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

1

km/h

Humidity icon

89%

01:00

60

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

1

km/h

Humidity icon

90%

02:00

60

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

3

km/h

Humidity icon

91%

03:00

60

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

3

km/h

Humidity icon

93%

04:00

61

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

3

km/h

Humidity icon

93%

05:00

61

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

3

km/h

Humidity icon

93%

06:00

61

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

2

km/h

Humidity icon

93%

07:00

56

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

1

km/h

Humidity icon

87%

08:00

56

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

4

km/h

Humidity icon

79%

09:00

56

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

9

km/h

Humidity icon

72%

10:00

53

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 25 degree

12

km/h

Humidity icon

64%

11:00

53

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 18 degree

13

km/h

Humidity icon

58%

12:00

53

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

12

km/h

Humidity icon

54%

13:00

48

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

11

km/h

Humidity icon

50%

14:00

48

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 31 degree

9

km/h

Humidity icon

47%

15:00

48

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

10

km/h

Humidity icon

45%

16:00

42

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

13

km/h

Humidity icon

47%

17:00

42

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

12

km/h

Humidity icon

53%

18:00

42

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

4

km/h

Humidity icon

74%

19:00

23

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

5

km/h

Humidity icon

81%

20:00

23

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

6

km/h

Humidity icon

84%

21:00

23

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

4

km/h

Humidity icon

83%

22:00

42

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

2

km/h

Humidity icon

83%

23:00

42

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

3

km/h

Humidity icon

84%

Sat

00:00

42

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

5

km/h

Humidity icon

86%

01:00

52

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

5

km/h

Humidity icon

91%

02:00

52

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 58 degree

6

km/h

Humidity icon

95%

03:00

52

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 95 degree

5

km/h

Humidity icon

96%

04:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

4

km/h

Humidity icon

94%

05:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

3

km/h

Humidity icon

93%

06:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

3

km/h

Humidity icon

92%

07:00

52

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

4

km/h

Humidity icon

89%

08:00

52

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

5

km/h

Humidity icon

86%

09:00

52

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

9

km/h

Humidity icon

80%

10:00

49

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

10

km/h

Humidity icon

72%

11:00

49

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

11

km/h

Humidity icon

65%

12:00

49

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

13

km/h

Humidity icon

60%

13:00

42

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

13

km/h

Humidity icon

57%

14:00

42

Weather icon

80%

19°

IQAir AirVisual Air Quality Map Wind rotating 38 degree

12

km/h

Humidity icon

56%

15:00

42

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

12

km/h

Humidity icon

55%

16:00

41

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

10

km/h

Humidity icon

57%

17:00

41

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

9

km/h

Humidity icon

61%

18:00

41

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 48 degree

6

km/h

Humidity icon

68%

19:00

30

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

5

km/h

Humidity icon

77%

20:00

30

Weather icon

80%

14°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

4

km/h

Humidity icon

80%

21:00

30

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

4

km/h

Humidity icon

80%

22:00

44

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

3

km/h

Humidity icon

80%

23:00

44

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

5

km/h

Humidity icon

85%

Sun

00:00

44

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

6

km/h

Humidity icon

89%

01:00

52

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

4

km/h

Humidity icon

93%

02:00

52

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

4

km/h

Humidity icon

95%

03:00

52

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 89 degree

4

km/h

Humidity icon

95%

04:00

52

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

5

km/h

Humidity icon

96%

05:00

52

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

4

km/h

Humidity icon

96%

06:00

52

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

8

km/h

Humidity icon

94%

07:00

53

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

7

km/h

Humidity icon

91%

08:00

53

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

6

km/h

Humidity icon

83%

09:00

53

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

7

km/h

Humidity icon

74%

10:00

52

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

8

km/h

Humidity icon

64%

11:00

52

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

11

km/h

Humidity icon

58%

12:00

52

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

13

km/h

Humidity icon

56%

13:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

12

km/h

Humidity icon

57%

14:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 52 degree

11

km/h

Humidity icon

63%

15:00

28

Weather icon

80%

17°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

10

km/h

Humidity icon

67%

Daily forecast

|

San Marcos air quality index (AQI⁺) forecast

Today

39

Weather icon

20°

10°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

13

km/h

Humidity icon

66%

Fri

53

Weather icon

21°

9°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

13

km/h

Humidity icon

68%

Sat

45

Weather icon

19°

11°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

13

km/h

Humidity icon

71%

Air pollutants

What is the current air quality in San Marcos?

IQAir exclamation icon

PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.

air quality map

Real-time San Marcos air pollution map

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

Protect yourself from air pollution in San Marcos

SHOP IQAIR PRODUCTS

Atem_X.png

Air Purifiers

FaceMasks.png

Face Masks

Air_Monitors.png

Air Quality Monitors

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

Atem_X.png

Air Purifiers

FaceMasks.png

Face Masks

Air_Monitors.png

Air Quality Monitors

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

Lima, Lima

55

2
The national flag of Peru

Huancayo, Junin

39

3
The national flag of Peru

La Oroya, Junin

23

4
The national flag of Peru

Pucallpa, Ucayali

18

History

Historic air quality graph for San Marcos

39 AQI⁺ US
Good
13:00–14:00 May 07 Local time
AQI⁺ US

History

Historic air quality graph for San Marcos

39 AQI⁺ US
Good
13:00–14:00 May 07 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

Lima, Lima

55

2
The national flag of Peru

Huancayo, Junin

39

3
The national flag of Peru

La Oroya, Junin

23

4
The national flag of Peru

Pucallpa, Ucayali

18

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

Become a contributor
Volcano erupting
external link icon

Volcanic Eruption Map Spotlight: Mayon Volcano, Philippines

Smoke rises from a wildfire burning through forest vegetation.
external link icon

Wildfire Map Spotlight: Hummingbird Fire, New Mexico

external link icon

May 7, 2026: Dhaka among top 10 most polluted cities in the world

Where is the cleanest air quality in San Marcos?

No locations are available.