WorldArrow icon
Arrow iconCentennial

Air quality in Centennial

Air quality index (AQI⁺) and PM2.5 air pollution in Centennial • 17.3K Followers • 15:00, Sep 09 Local time

Colorado Department of Public Health & Environment (CDPHE)Anonymous contributor

39

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

84 µg/m³

weather condition icon

27°

wind direction icon

10 km/h

weather humid icon

18 %

Colorado Department of Public Health & Environment (CDPHE)Anonymous contributor

Hourly forecast

Centennial air quality index (AQI⁺) forecast

Now

39

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

10

km/h

Humidity icon

18%

16:00

37

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

11

km/h

Humidity icon

19%

17:00

35

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

13

km/h

Humidity icon

20%

18:00

32

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

14

km/h

Humidity icon

21%

19:00

30

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

13

km/h

Humidity icon

27%

20:00

28

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

11

km/h

Humidity icon

34%

21:00

26

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

12

km/h

Humidity icon

37%

22:00

24

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

11

km/h

Humidity icon

42%

23:00

22

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

11

km/h

Humidity icon

47%

Thu

00:00

21

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

13

km/h

Humidity icon

56%

01:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

11

km/h

Humidity icon

63%

02:00

16

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

7

km/h

Humidity icon

70%

03:00

14

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 196 degree

6

km/h

Humidity icon

76%

04:00

14

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

6

km/h

Humidity icon

75%

05:00

14

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 164 degree

8

km/h

Humidity icon

73%

06:00

14

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

9

km/h

Humidity icon

76%

07:00

16

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

9

km/h

Humidity icon

78%

08:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

5

km/h

Humidity icon

70%

09:00

22

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

7

km/h

Humidity icon

38%

10:00

20

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

5

km/h

Humidity icon

29%

11:00

19

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 78 degree

4

km/h

Humidity icon

19%

12:00

18

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

8

km/h

Humidity icon

16%

13:00

16

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

8

km/h

Humidity icon

17%

14:00

15

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

6

km/h

Humidity icon

18%

15:00

14

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

5

km/h

Humidity icon

16%

16:00

13

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

6

km/h

Humidity icon

16%

17:00

12

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

8

km/h

Humidity icon

20%

18:00

12

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

8

km/h

Humidity icon

25%

19:00

12

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

8

km/h

Humidity icon

34%

20:00

12

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

12

km/h

Humidity icon

48%

21:00

13

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

18

km/h

Humidity icon

55%

22:00

15

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

25

km/h

Humidity icon

66%

23:00

17

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 177 degree

29

km/h

Humidity icon

72%

Fri

00:00

20

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

25

km/h

Humidity icon

78%

01:00

19

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

17

km/h

Humidity icon

80%

02:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

15

km/h

Humidity icon

81%

03:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

13

km/h

Humidity icon

81%

04:00

17

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

13

km/h

Humidity icon

79%

05:00

16

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

12

km/h

Humidity icon

72%

06:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

12

km/h

Humidity icon

68%

07:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

12

km/h

Humidity icon

59%

08:00

19

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

9

km/h

Humidity icon

39%

09:00

21

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

9

km/h

Humidity icon

22%

10:00

21

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

5

km/h

Humidity icon

15%

11:00

21

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

9

km/h

Humidity icon

9%

12:00

21

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

5

km/h

Humidity icon

10%

13:00

18

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

2

km/h

Humidity icon

10%

14:00

16

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

6

km/h

Humidity icon

10%

15:00

14

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

6

km/h

Humidity icon

10%

16:00

13

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

6

km/h

Humidity icon

10%

17:00

12

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 133 degree

7

km/h

Humidity icon

11%

18:00

12

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

8

km/h

Humidity icon

12%

19:00

14

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

11

km/h

Humidity icon

19%

20:00

16

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

11

km/h

Humidity icon

22%

21:00

18

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

10

km/h

Humidity icon

25%

22:00

19

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

10

km/h

Humidity icon

27%

23:00

21

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

9

km/h

Humidity icon

28%

Sat

00:00

23

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

9

km/h

Humidity icon

27%

01:00

22

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

6

km/h

Humidity icon

28%

02:00

22

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

8

km/h

Humidity icon

29%

03:00

22

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

9

km/h

Humidity icon

31%

04:00

20

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 337 degree

6

km/h

Humidity icon

34%

05:00

19

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

4

km/h

Humidity icon

35%

06:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

9

km/h

Humidity icon

37%

07:00

18

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

12

km/h

Humidity icon

42%

08:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

10

km/h

Humidity icon

43%

09:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

8

km/h

Humidity icon

40%

10:00

18

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

6

km/h

Humidity icon

36%

11:00

18

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 13 degree

6

km/h

Humidity icon

32%

12:00

19

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 86 degree

7

km/h

Humidity icon

28%

13:00

18

Weather icon

80%

26°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

12

km/h

Humidity icon

28%

14:00

17

Weather icon

90%

26°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

5

km/h

Humidity icon

30%

Daily forecast

|

Centennial air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Centennial?

IQAir Check icon

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

air quality map

Real-time Centennial air pollution map

Health recommendations

Protect yourself from air pollution in Centennial

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Centennial today?

Index

Pollen global icon

High

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

High

75%

Source:

wetter.com
Pollen forecast in Centennial

Health recommendations

air quality map

Real-time Centennial air pollution map

Pollen

What is the pollen count in Centennial today?

Index

Pollen global icon

High

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

High

75%

Source:

wetter.com
Pollen forecast in Centennial

Protect yourself from air pollution in Centennial

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near Centennial

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Centennial

#StationsAQI⁺ US
1
The national flag of USA

Highland Reservoir

34

2
The national flag of USA

Huffman house 3

26

3
The national flag of USA

South Tamarac Street

26

4
The national flag of USA

East Dry Creek Road

24

5
The national flag of USA

Huffman House- 6 Flex

24

6
The national flag of USA

Huffman house 4

24

7
The national flag of USA

1100-1198 E Irwin Pl

23

8
The national flag of USA

21399 E Weaver Pl

23

9
The national flag of USA

Huffman Home- 2 Flex

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

New Canaan, Connecticut

149

2
The national flag of USA

Chelan, Washington

112

3
The national flag of USA

Sitka, Alaska

99

4
The national flag of USA

San Luis Obispo County, California

87

5
The national flag of USA

Fresno County, California

83

6
The national flag of USA

San Diego, California

76

7
The national flag of USA

Santa Maria, California

76

8
The national flag of USA

Charlotte, North Carolina

75

9
The national flag of USA

Cobb County, Georgia

75

10
The national flag of USA

Clovis, California

74

History

Historic air quality graph for Centennial

24 AQI⁺ US
Good
14:00–15:00 Sep 09 Local time
AQI⁺ US

History

Historic air quality graph for Centennial

24 AQI⁺ US
Good
14:00–15:00 Sep 09 Local time
AQI⁺ US

Most polluted locations near Centennial

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Centennial

#StationsAQI⁺ US
1
The national flag of USA

Highland Reservoir

34

2
The national flag of USA

Huffman house 3

26

3
The national flag of USA

South Tamarac Street

26

4
The national flag of USA

East Dry Creek Road

24

5
The national flag of USA

Huffman House- 6 Flex

24

6
The national flag of USA

Huffman house 4

24

7
The national flag of USA

1100-1198 E Irwin Pl

23

8
The national flag of USA

21399 E Weaver Pl

23

9
The national flag of USA

Huffman Home- 2 Flex

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

New Canaan, Connecticut

149

2
The national flag of USA

Chelan, Washington

112

3
The national flag of USA

Sitka, Alaska

99

4
The national flag of USA

San Luis Obispo County, California

87

5
The national flag of USA

Fresno County, California

83

6
The national flag of USA

San Diego, California

76

7
The national flag of USA

Santa Maria, California

76

8
The national flag of USA

Charlotte, North Carolina

75

9
The national flag of USA

Cobb County, Georgia

75

10
The national flag of USA

Clovis, California

74

Measure your own air quality

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

Get a monitorHow to contribute
Polluted skies over Sarajevo.
external link icon

September 9, 2026: Sarajevo among top 10 most polluted cities in the world

external link icon

Wildfire Map Spotlight: Antalya Fires, Turkey

external link icon

Wildfire Map Spotlight: Timber and Plaskett Fires, California

Where is the cleanest air quality in Centennial?