Monthly System Maintenance 7:30 pm EDT to 2:30 am EDT Tuesday, March 28 into Wednesday, March 29, 2017

The AirNow Data Management Center will be performing routine system maintenance from 7:30 pm EDT to 2:30 am EDT on Tuesday, March 28 into Wednesday, March 29. During this time, AirNow-Tech will not be accessible. Data feeds and products will not update or be delayed until maintenance is completed.

Thank you,

EPA and the AirNow Data Management Center

Posted March 21, 2017, 08:33 (PT)

AirNow API FTP To Be Discontinued March 31, 2017

The AirNow Data Management Center (DMC) will be moving all files currently located on the FTP server (ftp://ftp.airnowapi.org/ ) to our new location:

https://files.airnowtech.org/

Please make appropriate changes to any processes that utilize AirNow API file products and direct them to the new location.

This change will not affect the file transfer process into AirNow, ftp.airnowdata.org will remain intact

If you have any questions, please send them to AirNowInfo@sonomatech.com.

Thank you for your attention.

AirNow DMC and EPA

Posted March 7, 2017, 09:24 (PT)

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
Register for an AirNow-Tech Account

A comprehensive list of EPA air pollution data sources

Register with AirNow API for an automatic feed of AirNow air quality data

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

March 26, 2017 13:43 (ET) (All times are in ET)
Agency Ozone PM2.5 PM10
AB1 03/26 12:00 03/26 12:00 02/25 09:00
AIR      
AK1 03/26 12:00 03/26 12:00 03/26 12:00
AL1 03/26 12:00 03/26 11:00 10/28 13:00
AL2 03/26 12:00 03/26 12:00 03/26 12:00
AL3      
AL4 03/26 12:00 03/26 12:00  
AR1 03/26 12:00 03/26 12:00  
AZ1 03/26 12:00 03/26 12:00 03/26 12:00
AZ2 03/26 12:00 03/26 12:00 03/26 12:00
AZ3 03/24 16:00 03/24 16:00 03/24 16:00
AZ4 03/26 12:00   03/26 12:00
BC1 03/26 12:00 03/26 12:00 03/26 12:00
BC2 03/26 12:00 03/26 12:00 03/26 12:00
BLW 03/26 12:00 10/01 01:00  
CA0 03/26 12:00 03/26 12:00 03/26 12:00
CA1 03/26 12:00 03/26 12:00 03/26 12:00
CA2 03/26 12:00 03/26 12:00  
CA3 03/26 12:00 03/26 12:00 03/26 12:00
CA4 03/26 12:00 03/26 12:00  
CA5 03/26 12:00 03/26 12:00 03/26 12:00
CA6 03/26 12:00 03/26 12:00 03/26 12:00
CA7 03/26 12:00 03/26 12:00 03/26 11:00
CA8 03/26 12:00 03/26 13:00 03/26 12:00
CA9 03/26 12:00 03/26 12:00 03/26 12:00
CHO 03/26 13:00    
CK1 03/26 12:00 03/26 12:00 03/26 12:00
CMB      
CN1 03/26 12:00 03/26 12:00  
CN2 03/26 12:00    
CN3 03/01 12:00 03/01 12:00 03/01 12:00
CN4 03/26 12:00 03/26 12:00  
CO1 03/26 12:00 03/26 12:00 03/26 12:00
CO4      
CT1 03/26 12:00 03/26 13:41 03/26 12:00
DC1 03/26 12:00 03/26 13:42 03/26 10:00
DE1 03/26 12:00 03/26 12:00  
DN1 03/26 12:00    
EP1      
EPA   08/21 12:00  
FL2 03/26 12:00 03/26 12:00  
FL3 03/26 12:00 03/26 12:00 03/26 11:00
FL4 03/26 12:00 03/26 12:00 03/26 12:00
FS1   03/26 13:00 08/04 20:00
GBU 01/19 13:00 03/26 12:00 03/26 12:00
GOL      
HI1 03/26 12:00 03/26 12:00 03/26 12:00
IA1 03/26 12:00 03/26 12:00 03/26 12:00
IA2 03/26 12:00 03/26 12:00  
IA3 03/26 12:00 03/26 12:00  
ID1 03/26 12:00 03/26 12:00 03/26 12:00
IEG 03/26 13:00 03/26 13:00 03/26 13:00
IL1 03/26 12:00 03/26 12:00  
IN4 03/26 12:00 03/26 12:00 03/26 12:00
JP1 12/30 02:00 12/30 02:00 12/30 02:00
KM1 03/26 13:00 03/26 13:00  
KS1 03/26 12:00 03/26 12:00 03/26 12:00
KY1 03/26 12:00 03/26 12:00  
LA1 03/26 12:00 03/26 12:00 12/01 00:00
LC1      
MA1 03/26 12:00 03/26 12:00  
MD1 03/26 12:00 03/26 12:00  
ME1 03/26 12:00 03/26 12:00 03/26 12:00
MEN 03/26 12:00 03/26 12:00 03/26 12:00
MI1 03/26 12:00 03/26 12:00 03/26 12:00
MM1 03/26 12:00 03/26 12:00  
MO1 03/26 12:00 03/26 12:00 03/26 12:00
MON 03/26 11:00 03/26 12:00 03/26 11:00
MT1 03/26 12:00 03/26 12:00 03/26 12:00
MX1 10/27 03:00 03/26 12:00 03/31 10:00
NC1 03/26 12:00 03/26 12:00 03/26 12:00
NC3 03/26 12:00 03/26 12:00 11/30 23:00
NCA 03/26 12:00 02/23 10:00  
NE1 03/26 12:00 03/26 12:00 09/30 08:00
NE2 03/26 12:00 03/26 12:00 03/26 12:00
NH1 03/26 12:00 03/26 12:00 03/26 12:00
NJ1 03/26 12:00 03/26 12:00  
NL1 03/26 12:00 03/26 12:00  
NM1 03/26 13:00 03/26 13:00 03/26 13:00
NM2 03/26 12:00 03/26 12:00 03/26 12:00
NOS 03/26 12:00 03/26 12:00  
NPS 03/26 12:00 03/26 13:00  
NV1 03/26 12:00 03/26 12:00 03/26 12:00
NV2 03/26 12:00 03/26 12:00 03/26 12:00
NV3 03/26 12:00 03/26 12:00  
NY1 03/26 12:00 03/26 12:00 03/26 12:00
OAP 03/26 13:00    
OAQ 03/26 12:00 03/26 12:00 03/26 12:00
OAR      
OH1 03/26 12:00 03/26 12:00 03/26 12:00
OK1 03/26 12:00 03/26 12:00 03/26 12:00
OR1 03/26 11:00 03/26 11:00  
OR2 10/03 14:00 03/26 12:00  
PA1 03/26 12:00 03/26 12:00 12/31 18:00
PA3 03/26 12:00 03/26 12:00  
PIN 06/08 23:00    
QT1 12/01 08:00 03/21 10:00  
RI1 03/26 12:00 03/26 12:00  
SC1 03/26 12:00 03/26 12:00 03/26 12:00
SD1 03/26 12:00 03/26 12:00 03/26 12:00
SFN 03/05 07:00    
SHA 03/26 12:00 03/26 12:00  
SK1 03/26 12:00 03/26 12:00 08/21 16:00
SLO 03/26 12:00 03/26 12:00 03/26 12:00
SMJ 07/22 17:00   07/22 17:00
SR1 03/26 12:00   03/26 12:00
THM 09/01 10:00 02/10 16:00  
TN1 03/26 12:00 03/26 12:00  
TN2 03/26 12:00 03/26 11:00  
TN3 03/26 12:00 03/26 12:00  
TN4 03/26 12:00 03/26 12:00  
TPCD 01/30 19:00   01/30 19:00
TRX 03/26 12:00 03/26 12:00 03/26 12:00
TX1 03/26 12:00 03/26 12:00 03/26 12:00
UDA      
UNR      
UT1 03/26 12:00 03/26 12:00 04/26 13:00
UTS 03/26 12:00 03/26 12:00  
VA1 03/26 12:00 03/26 12:00  
VG1   03/26 13:42  
VT1 03/26 12:00 03/26 12:00  
WI1 03/26 11:00 03/26 11:00 03/26 11:00
WT1 03/26 12:00    
WV1      
WV2 03/26 12:00 03/26 12:00  
WY1 03/26 11:00 03/26 04:00 03/26 10:00