Date Printed: 1/6/2026 01:30 Daily Summary Report Site: Clemmons Middle 1/5/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 9.5 15.0 5.4 01:00 B 9.2 14.4 5.1 02:00 B 8.7 13.7 5.0 03:00 B 9.2 14.2 5.0 04:00 B 10.3 15.7 5.4 05:00 B 12.0 17.0 4.9 06:00 B 11.1 18.1 7.0 07:00 B 14.0 21.9 7.8 08:00 B 15.8 23.8 8.0 09:00 B 17.1 26.4 9.2 10:00 B 18.7 28.0 9.2 11:00 B B B B 12:00 B 25.7 35.9 10.2 13:00 B 27.5 40.6 13.1 14:00 B 30.7 46.3 15.6 15:00 B 29.8 43.7 13.9 16:00 B 29.3 43.9 14.6 17:00 B 30.4 46.3 15.9 18:00 B 32.3 47.5 15.2 19:00 B 34.1 52.2 18.1 20:00 B 39.0 56.5 17.5 21:00 B 47.9 69.0 20.9 22:00 B 42.6 54.1 11.5 23:00 B 30.0 39.3 9.3 Average 23.2 34.0 10.7 Max B 47.9 69.0 20.9 Max Hour 21:00 21:00 21:00 Min B 8.7 13.7 4.9 Count 0 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 1/6/2026 01:30 Daily Summary Report Site: Hattie Avenue (A) 1/5/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 4.0 4.3 .1 01:00 B .2 3.7 3.9 .2 02:00 B .5 4.5 5.0 .2 03:00 B .4 5.5 5.9 .1 04:00 B .2 5.5 5.8 .1 05:00 B .4 8.1 8.6 .1 06:00 B .6 11.0 11.6 .1 07:00 B .7 9.5 10.3 .1 08:00 B 1.0 10.3 11.4 .0 09:00 B 1.4 10.7 12.2 .0 10:00 B 2.5 12.4 15.0 .0 11:00 B 6.0 14.5 20.6 .0 12:00 B 6.1 13.5 19.7 .0 13:00 B 3.2 9.2 12.4 .0 14:00 B 2.3 9.0 11.3 .0 15:00 B 2.3 C 10.7 C 13.1 C .0 16:00 B C C C .0 17:00 B 3.0 C 16.4 C 19.5 C .0 18:00 B 2.7 16.7 19.5 .0 19:00 B 2.3 16.9 19.3 .0 C 20:00 B 1.2 14.7 16.0 C 21:00 B 1.0 13.1 14.2 .0 C 22:00 B 1.1 12.3 13.4 .0 23:00 B .8 9.8 10.7 .0 Average 1.7 10.5 12.3 .0 Max B 6.1 16.9 20.6 .2 Max Hour 12:00 19:00 11:00 02:00 Min B .2 3.7 3.9 .0 Count 0 23 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 05-Jan-2026 15:46:00 16:11:00 66.9 70 -4.36% GPT-PS 05-Jan-2026 15:46:00 16:18:00 0.5 0.0 .51 GPTZ 05-Jan-2026 15:46:00 16:38:00 215.7 225 -4.13% GPT-PREC 05-Jan-2026 15:46:00 17:08:00 150.8 155 -2.68% NO2 GPT-PREC 05-Jan-2026 15:46:00 17:08:00 65.4 70 -6.5% NO2 Precision NO2_Diff PRECDIFF 05-Jan-2026 17:15:00 17:15:05 64.8 65.449 -.89% NOx NOx_Auto NO-PREC 05-Jan-2026 15:46:00 16:11:00 66.9 70 -4.33% SO2 SO2_Auto ZERO 05-Jan-2026 19:46:00 20:11:00 -0.1 0.0 -.13 SPAN 05-Jan-2026 19:46:00 20:36:00 85.3 90 -5.14% PREC 05-Jan-2026 19:46:00 21:01:00 38 40 -4.76% Date Printed: 1/6/2026 01:30 Daily Summary Report Site: Hattie Avenue (B) 1/5/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 5.5 8.9 3.7 01:00 5.4 8.2 3.0 02:00 5.2 8.3 3.4 03:00 6.9 10.8 4.4 04:00 7.6 11.7 4.6 05:00 8.7 13.0 4.9 06:00 8.6 13.4 5.4 07:00 7.5 11.3 4.3 08:00 9.4 14.1 5.4 09:00 11.1 16.9 6.6 10:00 14.2 21.6 8.4 11:00 20.5 31.1 11.9 12:00 24.8 37.4 13.9 13:00 24.5 34.2 10.7 14:00 26.2 39.1 14.0 15:00 27.6 39.3 12.7 16:00 30.6 43.7 14.2 17:00 29.7 43.5 14.9 18:00 31.5 47.4 17.0 19:00 33.6 48.3 15.9 20:00 36.1 52.1 17.4 21:00 35.9 51.1 16.7 22:00 35.6 49.1 15.0 23:00 34.6 46.8 13.6 Average 20.0 29.2 10.0 Max 36.1 52.1 17.4 Max Hour 20:00 20:00 20:00 Min 5.2 8.2 3.0 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -4.76% Date Printed: 1/6/2026 01:30 Daily Summary Report Site: Union Cross 1/5/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 739.2 42.7 26.6 01:00 B 739.5 41.1 27.2 02:00 B 739.6 39.8 28.5 03:00 B 739.4 38.4 30.1 04:00 B 739.5 36.7 30.6 05:00 B 739.8 36.3 30.7 06:00 B 739.9 37.0 31.2 07:00 B 739.9 37.7 31.5 08:00 B 740.1 37.9 31.3 09:00 B 740.3 38.4 32.7 10:00 B 740.5 38.4 35.6 11:00 B 739.9 39.2 38.1 12:00 B 739.1 40.7 40.3 13:00 B 738.4 42.5 41.5 14:00 B 738.0 44.7 41.7 15:00 B 737.7 46.5 42.2 16:00 B 737.8 47.5 42.3 17:00 B 737.8 47.4 42.5 18:00 B 737.5 46.7 42.3 19:00 B 737.5 45.2 42.5 20:00 B 737.5 44.5 42.9 21:00 B 737.4 43.9 43.2 22:00 B 737.3 43.7 43.6 23:00 B 736.9 43.8 43.8 Average 738.7 41.6 36.7 Max B 740.5 47.5 43.8 Max Hour 10:00 16:00 23:00 Min B 736.9 36.3 26.6 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 05-Jan-2026 22:50:00 23:20:00 0 0.0 0.00 PREC 05-Jan-2026 22:50:00 23:50:00 0 0.0 0.00 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