Table 1: Equipment deployed at each site and frequency of measurements.

EquipmentSiteFrequency

Rawinsondes TUL8, 12, 15, 18 h
Surface meteorologyTUL, JAS, TEP6 min
Minivols (PM2.5, PM10)JAS, TEP24 hrs
DenudersJAS, TEP24 hrs
SMPS + DMAJAS15 min
NephelometerJAS1 min
AethalometerJAS1 min
Criteria pollutants JAS1 min
(CO, O3, NO2, SO2)TEP
MiniDOAS MobileContinuous
Pilot balloons TUL1 hr from 10 to 18 h

SMPS: scanning mobility particle sizer; DMA: differential mobility analyzer.