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Table 1

Percentile statistics for maximum daily average 8-hour (MDA8) O3, MDA8 Ox, and the number of days with at least one monitor in exceedance (MDA8 O3 > 60 ppbv) for AirKorea monitors in Seoul, Incheon, and Gyeonggi provinces during the KORUS-AQ study period, May 2–June 11, 2016. DOI: https://doi.org/10.1525/elementa.400.t1

Location (color in Fig. 1)Urban Seoul (red)Incheon (yellow)Gyeonggi (blue)

 
Percentile Statistics for MDA8 O3 at AirKorea monitors (units: ppbv) 

 
95th 82.0 83.0 90.6 
75th 62.5 63.6 72.6 
Median 49.5 50.9 60.0 
25th 36.3 41.5 48.7 
5th 21.1 29.5 35.5 
Percentile Statistics for MDA8 Ox (O3 + NO2) at AirKorea monitors (units: ppbv) 

 
95th 120.7 110.3 115.8 
75th 99.3 87.5 95.9 
Median 83.8 73.3 80.0 
25th 69.4 61.8 66.7 
5th 53.6 48.0 52.7 
Number of Exceedance Days (at least one monitor with MDA8 O3 > 60 ppbv) 

 
# Days 33 26 39 
Location (color in Fig. 1)Urban Seoul (red)Incheon (yellow)Gyeonggi (blue)

 
Percentile Statistics for MDA8 O3 at AirKorea monitors (units: ppbv) 

 
95th 82.0 83.0 90.6 
75th 62.5 63.6 72.6 
Median 49.5 50.9 60.0 
25th 36.3 41.5 48.7 
5th 21.1 29.5 35.5 
Percentile Statistics for MDA8 Ox (O3 + NO2) at AirKorea monitors (units: ppbv) 

 
95th 120.7 110.3 115.8 
75th 99.3 87.5 95.9 
Median 83.8 73.3 80.0 
25th 69.4 61.8 66.7 
5th 53.6 48.0 52.7 
Number of Exceedance Days (at least one monitor with MDA8 O3 > 60 ppbv) 

 
# Days 33 26 39 
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