Date Printed: 4/26/2025 10:03 Daily Summary Report Site: Clemmons Middle 4/26/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm µg/m3 µg/m3 µg/m3 00:00 .018 11.3 19.3 7.9 01:00 .015 11.5 19.2 7.7 02:00 .018 12.1 20.3 8.2 03:00 .021 12.1 20.3 8.2 04:00 .028 8.3 14.2 5.9 05:00 .021 9.0 15.3 6.3 06:00 .025 6.9 12.9 5.9 07:00 .028 5.2 10.5 5.3 08:00 .031 4.9 9.7 4.7 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .022 9.0 15.7 6.6 Max .031 12.1 20.3 8.2 Max Hour 08:00 03:00 03:00 03:00 Min .015 4.9 9.7 4.7 Count 9 9 9 9 Total Date Printed: 4/26/2025 10:03 Daily Summary Report Site: Hattie Avenue (A) 4/26/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .025 .0 5.0 5.1 .2 01:00 .023 .0 5.2 5.2 .1 02:00 .021 .0 5.4 5.5 .1 03:00 .023 .0 3.7 3.7 .1 04:00 .026 .0 3.2 3.2 .1 05:00 .028 .0 3.1 3.1 .1 06:00 .024 .1 3.2 3.3 .1 07:00 .027 .1 2.7 2.9 .1 08:00 .030 .2 2.3 2.5 .1 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .025 .0 3.7 3.8 .1 Max .030 .2 5.4 5.5 .2 Max Hour 08:00 08:00 02:00 02:00 00:00 Min .021 .0 2.3 2.5 .1 Count 9 9 9 9 9 Total Date Printed: 4/26/2025 10:03 Daily Summary Report Site: Hattie Avenue (B) 4/26/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time µg/m3 µg/m3 µg/m3 00:00 11.8 20.9 8.8 01:00 12.2 20.8 8.4 02:00 12.5 20.6 7.8 03:00 12.2 20.5 8.1 04:00 9.9 16.6 6.5 05:00 7.2 13.3 5.9 06:00 7.9 14.0 5.9 07:00 5.7 12.3 6.4 08:00 5.2 11.7 6.3 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 9.4 16.7 7.1 Max 12.5 20.9 8.8 Max Hour 02:00 00:00 00:00 Min 5.2 11.7 5.9 Count 9 9 9 Total Date Printed: 4/26/2025 10:03 Daily Summary Report Site: Union Cross 4/26/2025 Interval: 001h Ozone Temperature Dew Point Wind Speed Wind Direction Relative Humidity Barometric Pres. Time ppm DegC DegC MPH DEG PERCENT mmHg 00:00 .025 18.5 15.8 2.6 220 85.9 737.1 01:00 .022 17.9 15.9 2.6 214 89.5 736.5 02:00 .024 18.0 16.2 4.9 220 90.6 736.3 03:00 .025 18.6 16.1 7.5 228 87.3 736.3 04:00 .026 18.3 15.8 5.4 231 87.2 735.8 05:00 .029 17.7 15.5 4.6 232 88.9 735.8 06:00 .030 17.4 15.7 5.3 227 91.1 736.3 07:00 .033 17.3 15.7 6.2 234 92.0 736.4 08:00 .034 17.8 15.6 7.0 237 88.4 736.6 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .027 17.9 15.8 5.0 228 88.9 736.3 Max .034 18.6 16.2 7.5 237 92.0 737.1 Max Hour 08:00 03:00 02:00 03:00 08:00 07:00 00:00 Min .022 17.3 15.5 2.6 214 85.9 735.8 Count 9 9 9 9 9 9 9 Total Flags T Out of Control A Arithmetic Error (math calculation error) t Out of Control (Partial) S Site Visit s Site Activity > Some Data Missing + Max Exceeded - Min Exceeded < Logger Invalid ? Suspect a Audit B Bad Status C Calibration c Ceiling Limit D Channel Disabled E Edited e Site Malfunction f Floor Limit H High-High Alarm h High Alarm I Invalidated By Edit J High Rate of Change Exceeded L Low-Low Alarm l Low Alarm M Maintenance m Marked Maint by edit O Overrange o Other P Power Failure p Precision Check Q Quality Assured R Rate of Change Exceeded V Dig Info#1 W Dig Info#2 X Dig Info#3 Y Dig Info#4 Z Dig Info#5 z Zero Adjusted F Boiler Offline j Low Rate of Change Exceeded