OSU Extension Service Columbia County

Add

Air quality near OSU Extension Service Columbia County, St. Helens

Air quality index (AQI⁺) and PM2.5 air pollution near OSU Extension Service Columbia County, St. Helens • 1 Follower • 00:00, Oct 09

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

1.4 µg/m³

15°

13 km/h

83 %

Data source: PurpleAir

Hourly forecast

OSU Extension Service Columbia County, St. Helens air quality index (AQI⁺) forecast

Now

15°

km/h

83%

01:00

14°

km/h

82%

02:00

13°

km/h

82%

03:00

13°

km/h

83%

04:00

13°

km/h

86%

05:00

12°

km/h

90%

06:00

12°

km/h

94%

07:00

70%

12°

km/h

95%

08:00

12°

km/h

94%

09:00

13°

km/h

92%

10:00

14°

km/h

88%

11:00

15°

km/h

86%

12:00

15°

km/h

76%

13:00

15°

km/h

66%

14:00

15°

km/h

64%

15:00

15°

km/h

54%

16:00

15°

km/h

53%

17:00

14°

km/h

54%

18:00

12°

km/h

67%

19:00

11°

km/h

75%

20:00

10°

km/h

78%

21:00

10°

km/h

73%

22:00

10°

km/h

81%

23:00

10°

km/h

85%

Sat

00:00

10°

km/h

87%

01:00

9°

km/h

88%

02:00

9°

km/h

87%

03:00

9°

km/h

86%

04:00

9°

km/h

83%

05:00

9°

km/h

84%

06:00

9°

km/h

87%

07:00

9°

km/h

83%

08:00

8°

km/h

87%

09:00

10°

km/h

83%

10:00

11°

km/h

76%

11:00

12°

km/h

68%

12:00

13°

km/h

61%

13:00

14°

km/h

58%

14:00

13°

km/h

61%

15:00

13°

km/h

64%

16:00

13°

km/h

63%

17:00

13°

km/h

63%

18:00

12°

km/h

72%

19:00

11°

km/h

73%

20:00

10°

km/h

73%

21:00

10°

km/h

77%

22:00

9°

km/h

80%

23:00

9°

km/h

80%

Sun

00:00

9°

km/h

79%

01:00

8°

km/h

79%

02:00

8°

km/h

79%

03:00

8°

km/h

81%

04:00

7°

km/h

82%

05:00

7°

km/h

83%

06:00

4°

km/h

98%

07:00

4°

km/h

98%

08:00

4°

km/h

97%

09:00

7°

km/h

88%

10:00

10°

km/h

76%

11:00

13°

km/h

61%

12:00

15°

km/h

50%

13:00

16°

km/h

44%

14:00

17°

km/h

40%

15:00

18°

km/h

40%

16:00

17°

km/h

42%

17:00

17°

km/h

44%

18:00

14°

km/h

49%

19:00

11°

km/h

61%

20:00

9°

km/h

67%

21:00

8°

km/h

70%

22:00

8°

km/h

72%

23:00

7°

km/h

74%

Daily forecast

OSU Extension Service Columbia County, St. Helens air quality index (AQI⁺) forecast

Today

15°

10°

km/h

76%

Sat

14°

8°

km/h

72%

Sun

18°

4°

km/h

65%

Air pollutants

What is the current air quality near OSU Extension Service Columbia County?

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

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time OSU Extension Service Columbia County, St. Helens air pollution map

Pollen

What is the pollen count in OSU Extension Service Columbia County today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in OSU Extension Service Columbia County today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for OSU Extension Service Columbia County

8 AQI⁺ US

Good

23:00–00:00 Oct 08

AQI⁺ US

Measure your own air quality

Get a monitor and contribute air quality data in your city.

Get a monitor How to contribute

Most polluted locations near OSU Extension Service Columbia County, St. Helens

Worldwide AQI⁺ ranking

Station ranking

Real-time OSU Extension Service Columbia County AQI⁺ station ranking

#	Stations	AQI⁺ US
1	OSU Extension Service Columbia County	8

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Hamilton, Montana	112
2	Merced, California	88
3	Little Rock, Arkansas	86
4	Mariposa County, California	83
5	West University Place, Texas	82
6	Bakersfield, California	81
7	Fresno County, California	81
8	Lincoln County, Montana	80
9	Fresno, California	75
10	Madera, California	75