Attainment Status Report
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Air Quality Monitoring

Attainment Status for 2021
Air Resource Management
Data on this page are updated daily when complete data are received. Data marked excluded have been omitted.
It is important to note that the ozone monitoring data less than three months old
viewed on this website have generally not been verified and checked for quality
assurance in accordance with federal requirements.

Winter Park

Ad Hoc Reporting
AQS # L095-2002
Winter Park
 
Ozone
2018, 2019, and 2020 data are needed to determine an area's attainment status with the 8-hr ozone standard. If the average is higher than 70 parts per billion, the area will not meet the ozone standard.
 
Year 4th Highest 8hr Average
(displayed in parts per billion)
Date

2021 60 13-APR
2020 62 03-MAY
2019 65 30-MAY
2018 63 17-MAR
 
  2020 3-Year Attainment Average = 63
  2021 Year-to-Date 3-Year Running Average = 62
 
SO2
1-Hour Standard (75 ppb). The 1-hour standard comparison is based on the three-year average of the annual 99th percentile of the daily maximum 1-hour average concentrations. If the average is higher than 75 parts per billion, the area will not meet the SO2 standard.
 
Year Three-year average Attainment value
(displayed in parts per billion)
 

2021 *  
 
NO2
1-Hour Standard (100 ppb) – The 1-hour standard is violated if it is exceeded by the three-year average of the annual 98th percentile of the daily maximum 1-hour average. If the average is higher than 100 parts per billion, the area will not meet the NO2 standard.
 
Year Three-year average Attainment value
(displayed in parts per billion)
 

2021 *  
 
CO
1-Hour Standard (35 ppm) – The 1-hour standard comparison is based on the number of hourly values higher than 35 ppm (it is violated if exceeded more than once per year.)
8-Hour Standard (9 ppm) – The 8-hour standard comparison is based on the number of 8-hour averages higher than 9 ppm (it is violated if exceeded more than once per year.)
 
Year Highest Hourly value
(displayed in parts per million)
Highest 8-Hourly value
(displayed in parts per million)

2021 1.2  (Met Attainment Standard) 1  (Met Attainment Standard)  
 
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* = Data Not Available