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Air quality in San Juan

Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 12 Followers • 12:00, Sep 18 Local time

US AQI⁺

Good

Main pollutant:

O₃

72 µg/m³

16°

14 km/h

98 %

Hourly forecast

San Juan air quality index (AQI⁺) forecast

Now

16°

km/h

98%

13:00

17°

km/h

90%

14:00

18°

km/h

78%

15:00

19°

km/h

77%

16:00

19°

km/h

86%

17:00

19°

km/h

77%

18:00

19°

km/h

74%

19:00

17°

km/h

82%

20:00

16°

km/h

91%

21:00

15°

km/h

90%

22:00

14°

km/h

93%

23:00

13°

km/h

99%

Sat

00:00

13°

km/h

99%

01:00

13°

km/h

99%

02:00

13°

km/h

97%

03:00

12°

km/h

92%

04:00

13°

km/h

84%

05:00

13°

km/h

84%

06:00

12°

km/h

85%

07:00

12°

km/h

87%

08:00

13°

km/h

90%

09:00

14°

km/h

86%

10:00

16°

km/h

79%

11:00

17°

km/h

68%

12:00

19°

km/h

59%

13:00

20°

km/h

54%

14:00

20°

km/h

47%

15:00

21°

km/h

38%

16:00

22°

km/h

38%

17:00

21°

km/h

39%

18:00

21°

km/h

35%

19:00

18°

km/h

45%

20:00

17°

km/h

42%

21:00

17°

km/h

37%

22:00

17°

km/h

39%

23:00

16°

km/h

39%

Sun

00:00

16°

km/h

41%

01:00

15°

km/h

46%

02:00

15°

km/h

47%

03:00

14°

km/h

50%

04:00

14°

km/h

53%

05:00

14°

km/h

53%

06:00

13°

km/h

57%

07:00

13°

km/h

59%

08:00

14°

km/h

52%

09:00

16°

km/h

47%

10:00

18°

km/h

35%

11:00

19°

km/h

33%

12:00

20°

km/h

35%

13:00

20°

km/h

31%

14:00

21°

km/h

29%

15:00

21°

km/h

26%

16:00

21°

km/h

25%

17:00

21°

km/h

23%

18:00

20°

km/h

22%

19:00

18°

km/h

21%

20:00

17°

km/h

23%

21:00

16°

km/h

24%

22:00

15°

km/h

26%

23:00

15°

km/h

27%

Mon

00:00

15°

km/h

28%

01:00

15°

km/h

28%

02:00

14°

km/h

29%

03:00

14°

km/h

30%

04:00

14°

km/h

30%

05:00

13°

km/h

31%

06:00

13°

km/h

32%

07:00

12°

km/h

33%

08:00

14°

km/h

33%

09:00

17°

km/h

25%

10:00

18°

km/h

24%

11:00

19°

km/h

22%

Daily forecast

San Juan air quality index (AQI⁺) forecast

Today

19°

12°

km/h

89%

Sat

22°

12°

km/h

57%

Sun

21°

13°

km/h

33%

Air pollutants

What is the current air quality in San Juan?

PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.

Real-time San Juan 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 Juan

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 Juan today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast in San Juan

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Juan air pollution map

Pollen

What is the pollen count in San Juan today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast in San Juan

Protect yourself from air pollution in San Juan

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 Juan

Worldwide AQI⁺ ranking

Station ranking

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

#	Stations	AQI⁺ US
1	San Juan County	33
2	Canyonlands NP	29
3	ISKY Air Quality Station, CANY	27
4	Canyonlands National Park - Island in the Sky	26
5	Grand Gulch Wilderness Study Area	26
6	Natural Bridges National Monument - Visitor Center	22

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Bear Valley, Alpine County, California	146
2	Mono, California	106
3	Mariposa County, California	87
4	El Portal, California	80
5	Pine Mountain Lake, California	80
6	Willow Creek, California	73
7	Crestline, California	71
8	Gardnerville Ranchos, Nevada	71
9	Atlanta, Georgia	70
10	Huntsville, Alabama	69

History

Historic air quality graph for San Juan

33 AQI⁺ US

Good

11:00–12:00 Sep 18 Local time

AQI⁺ US

History

Historic air quality graph for San Juan

33 AQI⁺ US

Good

11:00–12:00 Sep 18 Local time

AQI⁺ US

Most polluted locations near San Juan

Worldwide AQI⁺ ranking

Station ranking

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

#	Stations	AQI⁺ US
1	San Juan County	33
2	Canyonlands NP	29
3	ISKY Air Quality Station, CANY	27
4	Canyonlands National Park - Island in the Sky	26
5	Grand Gulch Wilderness Study Area	26
6	Natural Bridges National Monument - Visitor Center	22

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Bear Valley, Alpine County, California	146
2	Mono, California	106
3	Mariposa County, California	87
4	El Portal, California	80
5	Pine Mountain Lake, California	80
6	Willow Creek, California	73
7	Crestline, California	71
8	Gardnerville Ranchos, Nevada	71
9	Atlanta, Georgia	70
10	Huntsville, Alabama	69