Date Printed: 5/7/2026 07:01 Daily Summary Report Site: Clemmons Middle 5/7/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .031 2.7 7.3 4.5 01:00 .024 2.9 8.0 5.0 02:00 .026 3.2 8.2 4.9 03:00 .027 B 3.6 8.0 4.4 04:00 .022 4.0 9.6 5.5 05:00 .020 4.4 9.7 5.3 06:00 07:00 08:00 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 3.4 8.4 4.9 Max .031 4.4 9.7 5.5 Max Hour 00:00 05:00 05:00 04:00 Min .020 2.7 7.3 4.4 Count 6 6 6 6 Total Date Printed: 5/7/2026 07:01 Daily Summary Report Site: Hattie Avenue (A) 5/7/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .029 .2 2.7 2.9 M 01:00 .025 .2 3.8 4.0 M 02:00 .026 .2 3.7 3.9 M 03:00 .024 .2 3.3 3.5 M 04:00 .020 .3 3.9 4.2 M 05:00 .019 .3 4.9 5.3 M 06:00 07:00 08:00 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 .2 3.7 3.9 Max .029 .3 4.9 5.3 M Max Hour 00:00 05:00 05:00 05:00 Min .019 .2 2.7 2.9 M Count 6 6 6 6 0 Total Date Printed: 5/7/2026 07:01 Daily Summary Report Site: Hattie Avenue (B) 5/7/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 3.0 10.4 7.2 01:00 3.0 8.4 5.2 02:00 3.5 9.0 5.3 03:00 3.6 9.3 5.6 04:00 4.3 10.6 6.2 05:00 5.4 13.1 7.5 06:00 07:00 08:00 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 3.8 10.1 6.1 Max 5.4 13.1 7.5 Max Hour 05:00 05:00 05:00 Min 3.0 8.4 5.2 Count 6 6 6 Total Date Printed: 5/7/2026 07:01 Daily Summary Report Site: Union Cross 5/7/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .033 733.3 62.6 62.0 01:00 .030 732.3 62.4 62.1 02:00 .027 731.8 62.4 62.3 03:00 .028 731.3 62.3 62.3 04:00 .024 731.6 62.3 62.3 05:00 .022 731.5 62.2 62.2 06:00 07:00 08:00 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 .027 731.9 62.3 62.2 Max .033 733.3 62.6 62.3 Max Hour 00:00 00:00 00:00 04:00 Min .022 731.3 62.2 62.0 Count 6 6 6 6 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