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Air quality in San Juan

Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 11 Followers • 15:00, Apr 27 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

4.3 µg/m³

10°

19 km/h

57 %

Hourly forecast

San Juan air quality index (AQI⁺) forecast

Now

10°

km/h

57%

16:00

30%

8°

km/h

66%

17:00

11°

km/h

48%

18:00

10°

km/h

45%

19:00

10°

km/h

47%

20:00

7°

km/h

53%

21:00

7°

km/h

57%

22:00

6°

km/h

67%

23:00

5°

km/h

75%

Tue

00:00

5°

km/h

64%

01:00

4°

km/h

70%

02:00

3°

km/h

72%

03:00

3°

km/h

75%

04:00

2°

km/h

77%

05:00

1°

km/h

79%

06:00

1°

km/h

79%

07:00

1°

km/h

75%

08:00

4°

km/h

69%

09:00

6°

km/h

57%

10:00

8°

km/h

50%

11:00

9°

km/h

46%

12:00

10°

km/h

45%

13:00

10°

km/h

45%

14:00

11°

km/h

39%

15:00

13°

km/h

30%

16:00

13°

km/h

27%

17:00

13°

km/h

28%

18:00

13°

km/h

30%

19:00

12°

km/h

30%

20:00

11°

km/h

35%

21:00

10°

km/h

36%

22:00

9°

km/h

40%

23:00

9°

km/h

40%

Wed

00:00

9°

km/h

36%

01:00

8°

km/h

34%

02:00

8°

km/h

33%

03:00

7°

km/h

36%

04:00

7°

km/h

47%

05:00

6°

km/h

54%

06:00

6°

km/h

46%

07:00

6°

km/h

38%

08:00

8°

km/h

38%

09:00

10°

km/h

35%

10:00

11°

km/h

34%

11:00

13°

km/h

31%

12:00

14°

km/h

29%

13:00

15°

km/h

26%

14:00

16°

km/h

24%

15:00

16°

km/h

21%

16:00

16°

km/h

20%

17:00

16°

km/h

21%

18:00

15°

km/h

23%

19:00

14°

km/h

19%

20:00

12°

km/h

23%

21:00

11°

km/h

25%

22:00

10°

km/h

26%

23:00

10°

km/h

26%

Thu

00:00

9°

km/h

28%

01:00

9°

km/h

33%

02:00

8°

km/h

38%

03:00

8°

km/h

38%

04:00

8°

km/h

38%

05:00

7°

km/h

38%

06:00

7°

km/h

38%

07:00

8°

km/h

36%

08:00

9°

km/h

32%

09:00

11°

km/h

30%

10:00

11°

km/h

28%

11:00

12°

km/h

26%

12:00

13°

km/h

26%

13:00

13°

km/h

31%

14:00

12°

km/h

39%

Daily forecast

San Juan air quality index (AQI⁺) forecast

Today

11°

0°

km/h

70%

Tue

13°

1°

km/h

45%

Wed

16°

6°

km/h

28%

Air pollutants

What is the current air quality in San Juan?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

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 Moderate	50%
Grass None	0%
Weed None	0%

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 Moderate	50%
Grass None	0%
Weed None	0%

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	25
2	Natural Bridges National Monument - Visitor Center	24

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	138
2	Mission, Texas	118
3	Corpus Christi, Texas	106
4	Longview, Texas	100
5	San Antonio, Texas	88
6	West Lake Hills, Texas	88
7	College Station, Texas	86
8	Pflugerville, Texas	84
9	Round Rock, Texas	81
10	Briarcliff, Texas	80

History

Historic air quality graph for San Juan

24 AQI⁺ US

Good

14:00–15:00 Apr 27 Local time

AQI⁺ US

History

Historic air quality graph for San Juan

24 AQI⁺ US

Good

14:00–15:00 Apr 27 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	25
2	Natural Bridges National Monument - Visitor Center	24

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	138
2	Mission, Texas	118
3	Corpus Christi, Texas	106
4	Longview, Texas	100
5	San Antonio, Texas	88
6	West Lake Hills, Texas	88
7	College Station, Texas	86
8	Pflugerville, Texas	84
9	Round Rock, Texas	81
10	Briarcliff, Texas	80