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Air quality in Honolulu County

Air quality index (AQI⁺) and PM2.5 air pollution in Honolulu County • 168.7K Followers • 20:00, Sep 22 Local time

21*

US AQI⁺

Good

Main pollutant:

PM2.5

3.8 µg/m³

28°

32 km/h

84 %

Hourly forecast

Honolulu County air quality index (AQI⁺) forecast

Now

28°

km/h

84%

22:00

27°

km/h

83%

23:00

27°

km/h

82%

Wed

00:00

27°

km/h

80%

01:00

27°

km/h

80%

02:00

26°

km/h

82%

03:00

26°

km/h

82%

04:00

26°

km/h

81%

05:00

26°

km/h

81%

06:00

26°

km/h

82%

07:00

26°

km/h

79%

08:00

27°

km/h

75%

09:00

27°

km/h

72%

10:00

27°

km/h

70%

11:00

28°

km/h

68%

12:00

28°

km/h

67%

13:00

28°

km/h

67%

14:00

28°

km/h

65%

15:00

28°

km/h

67%

16:00

27°

km/h

70%

17:00

27°

km/h

72%

18:00

26°

km/h

76%

19:00

26°

km/h

78%

20:00

26°

km/h

79%

21:00

26°

km/h

80%

22:00

26°

km/h

81%

23:00

26°

km/h

81%

Thu

00:00

26°

km/h

81%

01:00

26°

km/h

81%

02:00

26°

km/h

81%

03:00

26°

km/h

81%

04:00

26°

km/h

81%

05:00

26°

km/h

81%

06:00

25°

km/h

82%

07:00

26°

km/h

81%

08:00

26°

km/h

79%

09:00

26°

km/h

79%

10:00

27°

km/h

74%

11:00

27°

km/h

72%

12:00

27°

km/h

72%

13:00

27°

km/h

72%

14:00

27°

km/h

71%

15:00

27°

km/h

71%

16:00

26°

km/h

74%

17:00

26°

km/h

75%

18:00

26°

km/h

77%

19:00

26°

km/h

77%

20:00

26°

km/h

77%

21:00

26°

km/h

77%

22:00

26°

km/h

77%

23:00

26°

km/h

78%

Fri

00:00

26°

km/h

79%

01:00

25°

km/h

83%

02:00

25°

km/h

83%

03:00

25°

km/h

83%

04:00

25°

km/h

81%

05:00

25°

km/h

80%

06:00

25°

km/h

79%

07:00

25°

km/h

79%

08:00

26°

km/h

77%

09:00

26°

km/h

74%

10:00

26°

km/h

74%

11:00

27°

km/h

74%

12:00

27°

km/h

74%

13:00

27°

km/h

71%

14:00

27°

km/h

71%

15:00

27°

km/h

72%

16:00

27°

km/h

73%

17:00

26°

km/h

77%

18:00

26°

km/h

79%

19:00

26°

km/h

79%

20:00

26°

km/h

78%

Daily forecast

Honolulu County air quality index (AQI⁺) forecast

Today

28°

26°

km/h

73%

Wed

27°

25°

km/h

76%

Thu

27°

25°

km/h

76%

Air pollutants

What is the current air quality in Honolulu County?

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

Real-time Honolulu County 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 Honolulu County

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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

Medical grade air purifiers

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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.

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Pollen

What is the pollen count in Honolulu County today?

Index

Low

Tree

None

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast in Honolulu County

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Honolulu County air pollution map

Pollen

What is the pollen count in Honolulu County today?

Index

Low

Tree

None

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast in Honolulu County

Protect yourself from air pollution in Honolulu County

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 Honolulu County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Honolulu County

#	Stations	AQI⁺ US
1	Kapolei - lauwiliwili Street	21

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Fresno County, California	88
2	Nez Perce County, Idaho	87
3	Centerville, Shasta County, California	77
4	Avenal, California	76
5	Chelan, Washington	76
6	Bakersfield, California	74
7	Madera, California	73
8	Galveston, Texas	71
9	Merced, California	70
10	Beaumont, California	69

History

Historic air quality graph for Honolulu County

21 AQI⁺ US

Good

20:00–21:00 Sep 22 Local time

AQI⁺ US

History

Historic air quality graph for Honolulu County

21 AQI⁺ US

Good

20:00–21:00 Sep 22 Local time

AQI⁺ US

Most polluted locations near Honolulu County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Honolulu County

#	Stations	AQI⁺ US
1	Kapolei - lauwiliwili Street	21

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Fresno County, California	88
2	Nez Perce County, Idaho	87
3	Centerville, Shasta County, California	77
4	Avenal, California	76
5	Chelan, Washington	76
6	Bakersfield, California	74
7	Madera, California	73
8	Galveston, Texas	71
9	Merced, California	70
10	Beaumont, California	69