Canton City Health Department
                            James M. Adams, R.S., M.P.H., Health Commissioner

                          Promoting and Protecting Health Since 1849
 

420 Market Ave. North
Canton, Ohio 44702
(330) 489-3231
(330) 489-3335 (fax)
 Info@cantonhealth.org

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    Outdoor Mold Count Information       Pollen Count Information

Air Quality Index (AQI)

The AQI is an index for reporting daily air quality.  It tells you how clean or polluted your air is, and what associated health effects might be a concern.  The higher the AQI value, the greater the level of air pollution and the greater the health concern.

The AQI is derived by comparison to EPA standards from the following readings:  Particulate Matter 2.5 continuous on CCHD 2nd floor roof top and ozone monitors in Canton, Brewster, and Alliance.

The daily air quality index is available from the Canton Repository and WHBC (noon and drive time), or by calling the Canton City Health Department at (330) 489-3231.

For more information on the air quality index, please visit U.S. Environmental Protection Agency.

Air Quality Guide

Level of Concern Index Value (AQI) Cautionary Statements
   Good

0 to 50

 No health impacts are expected when air quality is in this range.
   Moderate 51 to 100 Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
   Unhealthy for Sensitive Groups 101 to 150 Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy exertion outdoors.
   Unhealthy 151 to 200 Active children and adults, and people with lung disease, such as asthma, should avoid prolonged or heavy exertion outdoors.  Everyone else, especially children, should reduce prolonged or heavy exertion outdoors.
   Very Unhealthy 201 to 300 Active children and adults, and people with lung disease, such as asthma, should avoid all outdoor exertion.  Everyone else, especially children, should avoid prolonged or heavy exertion outdoors.
   Hazardous 301 to 500 Everyone should avoid all physical activity outdoors.

 

2007 Air Quality Index (AQI) 
Month AQI reporting days Highest AQI Value   Days in each category:
Good Moderate Unhealthy for Sensitive Groups Unhealthy
January 21 32 21 0 0 0
February 15 50 15 0 0 0
March 21 57 19 2 0 0
April 20 66 19 1 0 0
May 22 90 14 8 0 0
June 21 89 13 8 0 0
July 21 77 15 6 0 0
August 23 93 16 7 0 0
September 19 101 11 7 1 0
October 23 65 19 4 0 0
November 19 47 19 0 0 0
December 19 42 19 0 0 0

 

2006 Air Quality Index (AQI) 
Month AQI reporting days Highest AQI Value   Days in each category:
Good Moderate Unhealthy for Sensitive Groups Unhealthy
January 20 36 20 0 0 0
February 19 39 19 0 0 0
March 23 53 21 2 0 0
April 19 54 16 3 0 0
May 22 93 18 4 0 0
June 22 77 13 9 0 0
July 20 95 11 9 0 0
August 23 82 11 12 0 0
September 20 81 14 6 0 0
October 22 52 21 1 0 0
November 17 61 15 2 0 0
December 20 45 20 0 0 0

 

2005 Air Quality Index (AQI) 
Month AQI reporting days Highest AQI Value   Days in each category:
Good Moderate Unhealthy for Sensitive Groups Unhealthy
January 20 38 20 0 0 0
February 19 82 15 4 0 0
March 22 115 14 7 1 0
April 21 88 13 8 0 0
May 21 61 18 3 0 0
June 22 119 11 10 1 0
July 20 72 9 11 0 0
August 23 78 12 11 0 0
September 21 108 10 10 1 0
October 21 111 18 2 1 0
November 19 72 18 1 0 0
December 18 60 16 2 0 0

 

2004 Air Quality Index (AQI) 
Month AQI reporting days Highest AQI Value   Days in each category:
Good Moderate Unhealthy for Sensitive Groups Unhealthy
January 20 30 20 0 0 0
February 19 53