Hamilton County Environmental Services: Air Quality Management Division

1-hr PM2.5 Level at 10:00

18µg/m³ ,Moderate

1-hr PM2.5 Level at 10:00

14µg/m³ ,Good

1-hr PM2.5 Level at 10:00

12µg/m³ ,Good

1-hr PM2.5 Level at 10:00

23µg/m³ ,Moderate

1-hr PM2.5 Level at 10:00

22µg/m³ ,Moderate

1-hr PM2.5 Level at 10:00

21µg/m³ ,Moderate

1-hr average PM_2.5 breakpoints (ug/m³)

150 < PM_2.5 ≤ 250

65 < PM_2.5 ≤ 150

35 < PM_2.5 ≤ 65

15 < PM_2.5 ≤ 35

0 < PM_2.5 ≤ 15

Data Not Available