Date Printed: 6/30/2026 10:01 Daily Summary Report Site: Clemmons Middle 6/30/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .006 8.4 15.2 6.8 01:00 .004 B 7.1 13.5 6.4 02:00 .003 6.4 13.0 6.5 03:00 .002 6.7 12.6 5.8 04:00 .003 7.1 12.7 5.6 05:00 .006 7.3 12.3 4.9 06:00 .017 8.6 14.9 6.3 07:00 .024 9.2 14.8 5.6 08:00 .033 8.9 14.3 5.3 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 .010 7.7 13.7 5.9 Max .033 9.2 15.2 6.8 Max Hour 08:00 07:00 00:00 00:00 Min .002 6.4 12.3 4.9 Count 9 9 9 9 Total Date Printed: 6/30/2026 10:01 Daily Summary Report Site: Hattie Avenue (A) 6/30/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .023 .3 4.4 4.8 -.5 01:00 .021 .2 4.1 4.4 -.4 02:00 .018 .4 4.8 5.2 -.4 03:00 .017 .4 5.4 5.8 -.5 04:00 .016 .6 6.0 6.6 -.5 05:00 .015 .7 6.3 7.0 -.5 06:00 .020 1.0 5.9 7.0 -.5 07:00 .032 .7 4.6 5.4 -.5 08:00 .038 .8 3.7 4.5 -.5 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 .5 5.0 5.6 -.4 Max .038 1.0 6.3 7.0 -.4 Max Hour 08:00 06:00 05:00 06:00 02:00 Min .015 .2 3.7 4.4 -.5 Count 9 9 9 9 9 Total Date Printed: 6/30/2026 10:01 Daily Summary Report Site: Hattie Avenue (B) 6/30/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 8.5 13.0 4.2 01:00 9.1 14.1 4.6 02:00 9.5 15.2 5.3 03:00 9.7 14.5 4.4 04:00 9.9 15.8 5.6 05:00 10.3 15.7 5.0 06:00 9.9 16.6 6.3 07:00 9.3 15.5 5.7 08:00 9.4 15.3 5.3 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 9.5 15.0 5.1 Max 10.3 16.6 6.3 Max Hour 05:00 06:00 06:00 Min 8.5 13.0 4.2 Count 9 9 9 Total Date Printed: 6/30/2026 10:01 Daily Summary Report Site: Union Cross 6/30/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .020 739.3 75.2 68.9 01:00 .021 739.1 74.6 68.9 02:00 .018 739.1 73.9 69.0 03:00 .019 739.1 73.8 69.4 04:00 .019 739.4 73.6 69.6 05:00 .018 739.8 73.4 69.8 06:00 .023 740.2 74.4 69.8 07:00 .032 740.6 77.5 69.6 08:00 .038 740.7 79.0 70.0 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 .023 739.7 75.0 69.4 Max .038 740.7 79.0 70.0 Max Hour 08:00 08:00 08:00 08:00 Min .018 739.1 73.4 68.9 Count 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