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Air quality in Castle Rock

Air quality index (AQI⁺) and PM2.5 air pollution in Castle Rock • 29K Followers • 15:00, Nov 11 Local time

Florissant AQI Alert nearby

View alert

US AQI⁺

Good

Main pollutant:

PM2.5

4.5 µg/m³

14°

13 km/h

24 %

Hourly forecast

Castle Rock air quality index (AQI⁺) forecast

Now

14°

km/h

24%

17:00

10°

km/h

34%

18:00

8°

km/h

40%

19:00

8°

km/h

45%

20:00

7°

km/h

46%

21:00

7°

km/h

46%

22:00

7°

km/h

44%

23:00

6°

km/h

43%

Thu

00:00

6°

km/h

43%

01:00

6°

km/h

44%

02:00

5°

km/h

44%

03:00

5°

km/h

43%

04:00

5°

km/h

43%

05:00

5°

km/h

43%

06:00

5°

km/h

42%

07:00

5°

km/h

41%

08:00

8°

km/h

34%

09:00

12°

km/h

25%

10:00

15°

km/h

21%

11:00

17°

km/h

19%

12:00

18°

km/h

17%

13:00

19°

km/h

16%

14:00

19°

km/h

16%

15:00

18°

km/h

18%

16:00

15°

km/h

23%

17:00

11°

km/h

33%

18:00

9°

km/h

37%

19:00

9°

km/h

39%

20:00

8°

km/h

40%

21:00

8°

km/h

40%

22:00

8°

km/h

40%

23:00

7°

km/h

41%

Fri

00:00

7°

km/h

42%

01:00

6°

km/h

43%

02:00

6°

km/h

44%

03:00

6°

km/h

45%

04:00

5°

km/h

45%

05:00

5°

km/h

46%

06:00

5°

km/h

46%

07:00

5°

km/h

45%

08:00

8°

km/h

36%

09:00

11°

km/h

28%

10:00

13°

km/h

24%

11:00

14°

km/h

21%

12:00

15°

km/h

20%

13:00

16°

km/h

20%

14:00

16°

km/h

20%

15:00

16°

km/h

20%

16:00

13°

km/h

28%

17:00

9°

km/h

37%

18:00

8°

km/h

40%

19:00

7°

km/h

43%

20:00

7°

km/h

46%

21:00

7°

km/h

46%

22:00

7°

km/h

45%

23:00

6°

km/h

47%

Sat

00:00

6°

km/h

50%

01:00

5°

km/h

51%

02:00

5°

km/h

53%

03:00

4°

km/h

55%

04:00

4°

km/h

56%

05:00

3°

km/h

56%

06:00

3°

km/h

57%

07:00

3°

km/h

55%

08:00

6°

km/h

44%

09:00

8°

km/h

37%

10:00

11°

km/h

30%

11:00

12°

km/h

26%

12:00

13°

km/h

22%

13:00

14°

km/h

20%

14:00

14°

km/h

21%

15:00

13°

km/h

23%

Daily forecast

Castle Rock air quality index (AQI⁺) forecast

Today

16°

3°

km/h

33%

Wed

19°

5°

km/h

29%

Thu

16°

5°

km/h

33%

Air pollutants

What is the current air quality in Castle Rock?

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

Real-time Castle Rock 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 Castle Rock

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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

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

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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 Castle Rock today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in Castle Rock

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Castle Rock air pollution map

Pollen

What is the pollen count in Castle Rock today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in Castle Rock

Protect yourself from air pollution in Castle Rock

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 Castle Rock

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Castle Rock

#	Stations	AQI⁺ US
1	Ditmars Trail	29
2	2848-3010 Merry Rest Way	24
3	Oakridge	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Pixley, California	108
2	Mission Viejo, California	102
3	Franklin, Merced County, California	98
4	Anaheim, California	89
5	Delano, California	89
6	Kootenai County, Idaho	89
7	Matheny, California	89
8	Pasadena, California	85
9	Bakersfield, California	82
10	Kern, California	81

History

Historic air quality graph for Castle Rock

24 AQI⁺ US

Good

14:00–15:00 Nov 11 Local time

AQI⁺ US

History

Historic air quality graph for Castle Rock

24 AQI⁺ US

Good

14:00–15:00 Nov 11 Local time

AQI⁺ US

Most polluted locations near Castle Rock

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Castle Rock

#	Stations	AQI⁺ US
1	Ditmars Trail	29
2	2848-3010 Merry Rest Way	24
3	Oakridge	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Pixley, California	108
2	Mission Viejo, California	102
3	Franklin, Merced County, California	98
4	Anaheim, California	89
5	Delano, California	89
6	Kootenai County, Idaho	89
7	Matheny, California	89
8	Pasadena, California	85
9	Bakersfield, California	82
10	Kern, California	81