Date Printed: 5/18/2026 08:01 Daily Summary Report Site: Clemmons Middle 5/18/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .032 14.8 21.5 6.7 01:00 .025 14.5 20.7 6.1 02:00 .026 14.3 21.4 7.0 03:00 .028 B 15.6 23.4 7.7 04:00 .024 15.3 22.6 7.3 05:00 .021 14.9 21.7 6.7 06:00 .024 15.3 47.6 32.2 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 14.9 25.5 10.5 Max .032 15.6 47.6 32.2 Max Hour 00:00 03:00 06:00 06:00 Min .021 14.3 20.7 6.1 Count 7 7 7 7 Total Date Printed: 5/18/2026 08:01 Daily Summary Report Site: Hattie Avenue (A) 5/18/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .028 .3 9.2 9.6 -.2 01:00 .027 .4 8.6 9.0 -.2 02:00 .032 .2 7.0 7.3 .0 03:00 .032 .2 5.4 5.7 .0 04:00 .029 .3 5.8 6.1 -.1 05:00 .028 .4 6.8 7.3 -.2 06:00 .030 .8 6.8 7.6 .0 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 .029 .3 7.0 7.5 -.1 Max .032 .8 9.2 9.6 .0 Max Hour 03:00 06:00 00:00 00:00 06:00 Min .027 .2 5.4 5.7 -.2 Count 7 7 7 7 7 Total Date Printed: 5/18/2026 08:01 Daily Summary Report Site: Hattie Avenue (B) 5/18/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 15.9 23.4 7.2 01:00 16.3 24.8 8.2 02:00 17.5 27.5 9.7 03:00 15.3 22.9 7.3 04:00 15.0 22.1 6.9 05:00 14.2 20.9 6.5 06:00 13.5 19.9 6.0 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 15.3 23.0 7.4 Max 17.5 27.5 9.7 Max Hour 02:00 02:00 02:00 Min 13.5 19.9 6.0 Count 7 7 7 Total Date Printed: 5/18/2026 08:01 Daily Summary Report Site: Union Cross 5/18/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .035 740.7 70.7 60.1 01:00 .036 740.7 70.8 60.5 02:00 .038 740.9 69.7 60.9 03:00 .032 740.9 68.1 61.1 04:00 .029 741.0 67.1 61.4 05:00 .028 741.4 67.1 61.5 06:00 .030 742.0 69.2 61.9 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 .032 741.0 68.9 61.0 Max .038 742.0 70.8 61.9 Max Hour 02:00 06:00 01:00 06:00 Min .028 740.7 67.1 60.1 Count 7 7 7 7 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