Hornbrook Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Hornbrook

Siskiyou County, California

2025-03-19 07:00

AQI (China)

Excellent

PM2.5

μg/m³

5

Weather

0℃

86%

7 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Android

7.5

5.8

5.8

4.6

5.0

7.4

7.7

6.3

8.5

4.7

8.0

4.3

5.6

6.8

7.0

2.1

6.6

6.6

6.5

7.0

7.7

6.8

4.6

5.7

7.7

7.8

1.1

9.2

6.8

7.4

9.4

7.2

3.8

3.6

7.4

8.3

5.0

2.4

4.7

2.8

9.2

6.3

4.4

4.5

4.6

7.8

4.7

4.3

9.5

4.4

7.7

7.0

7.6

5.8

6.0

2.6

3.3

4.4

11.8

4.5

5.0

7.1

2.6

7.4

7.4

1.8

4.0

6.1

4.8

5.6

1.6

6.0

3.7

3.2

5.2

7.7

7.5

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