AirNow-Tech is a password-protected website for air quality data management analysis, and decision support. AirNow-Tech is primarily used by the federal, State, Tribal, and local air quality organizations that provide data and forecasts to the AirNow system, as well as researchers and other air data users. It allows users to:

  • Access monitoring site data, information, and polling status
  • Analyze current and past air quality events and episodes
  • Submit and analyze air quality forecasts
  • Configure EnviroFlash email services for public dissemination of air quality forecasts
  • View meteorological and air quality data
  • Generate data reports
  • Create GIS-based maps with air quality and meteorological conditions
  • Sign up for the AirNow Notifier listserve
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A comprehensive list of EPA air pollution data sources

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Color Legend
Green Current Yellow 2 to 6 hrs old
Red over 6 hrs old Gray Unknown status

August 30, 2014 03:09 (ET) (All times are in ET)
Agency Ozone PM2.5 PM10
AB1 08/30 01:00 08/30 01:00 08/30 01:00
AIR      
AK1 08/30 01:00 08/30 01:00 08/30 01:00
AL1 08/30 01:00 08/30 01:00 10/28 13:00
AL2 08/30 01:00 08/30 01:00 08/30 01:00
AL3      
AL4 08/30 01:00 08/30 01:00  
AR1 08/30 01:00 08/30 01:00  
AZ1 08/30 01:00 08/30 01:00 08/30 01:00
AZ2 08/30 01:00 08/30 01:00 08/30 01:00
AZ3 08/30 02:00 08/30 02:00 08/30 02:00
AZ4 08/30 01:00   04/01 01:00
BC1 08/30 01:00 08/30 01:00 08/30 01:00
BC2 08/30 02:00 08/30 02:00 08/30 02:00
BLW 08/30 01:00 04/01 01:00  
CA0 08/30 01:00   08/30 01:00
CA1 08/30 02:00 08/30 02:00 08/30 01:00
CA2 08/30 01:00 08/30 01:00  
CA3 08/30 02:00 08/30 00:00 08/30 00:00
CA4 08/30 01:00 08/30 01:00  
CA5 08/30 02:00 08/30 02:00  
CA6 08/26 08:00 08/26 08:00 08/26 07:00
CA7 08/30 01:00   08/30 01:00
CA8 08/30 01:00 08/30 02:00 08/30 01:00
CA9 08/30 02:00 08/30 02:00 08/30 02:00
CHO      
CK1 08/30 01:00 08/30 01:00 08/30 02:00
CN1 08/30 01:00 08/30 01:00  
CN2 08/30 02:00 08/30 01:00  
CN3 08/30 01:00 08/30 01:00 08/30 01:00
CN4 08/30 01:00 08/30 01:00  
CO1 08/30 01:00 08/30 01:00 08/30 01:00
CT1 08/30 01:00 08/30 01:00 08/30 01:00
DC1 08/30 01:00 08/30 01:00 08/30 01:00
DE1 08/30 01:00 08/30 01:00  
DN1 08/30 02:00    
EP1      
EPA   08/21 12:00  
FL1 08/29 21:00 08/29 21:00 08/29 21:00
FL2 08/29 15:00 08/29 15:00  
FL3 08/30 01:00 08/30 01:00  
FL4 08/30 01:00 08/30 01:00 08/30 01:00
FS1   08/30 02:00 08/04 20:00
GA1 08/29 17:00 08/29 17:00 08/29 17:00
GBU   08/30 02:00 08/30 02:00
GOL      
HI1 08/30 01:00 08/30 01:00 08/30 01:00
IA1 08/30 02:00 08/30 02:00 08/30 02:00
IA2 08/30 02:00 08/30 02:00  
IA3 08/30 01:00 08/30 01:00  
ID1 08/30 01:00 08/30 01:00 08/30 01:00
IL1 08/30 02:00 08/30 02:00 01/06 11:12
IN4 08/30 01:00 08/30 01:00 08/30 01:00
JP1 12/30 02:00 12/30 02:00 12/30 02:00
KS1 08/30 01:00 08/30 01:00 08/30 01:00
KY1 08/30 02:00 08/30 02:00  
KY2 08/30 01:00 08/30 01:00 08/30 01:00
LA1 08/30 01:00 08/30 01:00 07/01 00:00
LC1      
MA1 08/30 00:00 08/30 00:00  
MD1 08/30 01:00 08/30 01:00 11/24 15:50
ME1 08/30 01:00 08/30 01:00 08/30 01:00
MEN 08/30 02:00 08/30 02:00 08/30 02:00
MI1 08/30 02:00 08/30 02:00 08/30 02:00
MM1 08/30 02:00 08/30 02:00  
MN1 08/30 02:00 08/30 02:00 08/08 14:00
MO1 08/30 00:00 08/30 00:00 08/30 00:00
MON 08/30 02:00 08/30 02:00 08/30 02:00
MS1 08/30 01:00 08/30 01:00  
MT1   08/30 01:00 03/01 01:00
MX1 08/30 00:00 08/29 03:00 05/20 01:00
MXC 08/30 02:00 08/30 02:00 08/30 02:00
NC1 08/30 01:00 08/30 01:00 04/29 00:00
NC2 08/30 01:00 08/30 01:00  
NC3 08/30 01:00 08/30 01:00 06/30 23:00
NCA 08/30 01:00 08/30 01:00  
ND1 08/30 02:00 08/30 02:00 08/30 02:00
NE1 08/30 01:00 08/30 02:00  
NE2 08/30 02:00 08/30 02:00 08/30 02:00
NH1 08/30 01:00 08/30 01:00  
NJ1 08/30 01:00 08/30 01:00  
NL1 08/30 01:00 08/30 01:00  
NM1 08/30 02:00 08/30 02:00 08/30 02:00
NM2 08/30 01:00 08/30 01:00 08/30 01:00
NOS 08/30 02:00 08/30 01:00  
NPS 08/30 01:00 08/30 01:00  
NV1 08/30 01:00 08/30 01:00 08/30 01:00
NV2 08/30 00:00 08/30 00:00 08/30 00:00
NY1 08/30 01:00 08/30 01:00 01/07 13:00
OAP 08/30 01:00    
OAQ 08/30 02:00 08/30 02:00 08/30 02:00
OH1 08/30 01:00 08/30 01:00 08/30 01:00
OK1 08/30 02:00 08/30 02:00 08/30 02:00
ON1 08/30 01:00 08/30 01:00  
OR1 08/30 01:00 08/30 01:00  
OR2 08/30 01:00 08/30 01:00  
PA1 08/30 02:00 08/30 02:00 04/30 23:00
PA2 08/30 02:00 08/30 02:00  
PA3 08/30 01:00 08/30 01:00  
PIN 07/25 15:00    
PR1 08/30 01:00   08/30 01:00
QT1 08/30 01:00 08/30 01:00  
RI1 08/30 02:00 08/30 02:00  
SC1 08/29 22:00 08/29 22:00 08/29 22:00
SD1 08/30 01:00 08/30 01:00 07/01 01:00
SFN 03/05 07:00    
SHA 08/30 01:00 08/30 01:00  
SK1 08/30 01:00 08/30 01:00 03/06 10:00
SLO 08/30 02:00 08/30 02:00 08/30 02:00
SR1 08/30 00:00   08/30 00:00
THM 08/30 01:00 08/30 01:00  
TN1 08/30 01:00 08/30 01:00  
TN2 08/30 01:00 08/30 01:00  
TN3 08/30 01:00 08/30 01:00  
TN4 08/30 01:00 08/30 01:00  
TRX 08/30 01:00 08/30 01:00 08/30 01:00
TX1 08/30 01:00 08/30 01:00 08/30 01:00
UDA      
UT1 08/30 01:00 08/30 01:00 08/30 01:00
VA1 08/30 01:00 08/30 01:00  
VT1 08/30 02:00 08/30 02:00  
WA1 08/30 00:00 08/30 00:00 08/30 00:00
WI1 08/30 01:00 08/30 01:00 08/30 01:00
WT1 08/30 01:00    
WV1      
WV2 08/29 20:00 08/29 20:00  
WY1 08/30 01:00 08/30 01:00 08/29 08:00