Periodic interruptions to AirNowAPI.org

The AirNow Data Management Center is aware of periodic interruptions of AirNowAPI.org. We are currently investigating the issue and working toward implementing a solution as soon as possible.

Thank you for your patience and understanding,

AirNow Data Management Center

Posted January 23, 2020, 10:52 (PT)

Monthly System Maintenance 7:30 p.m. EST Wednesday, January 29, to 2:30 a.m. EST Thursday, January 30

The AirNow Data Management Center will be performing routine system maintenance from 7:30 p.m. EST Wednesday, January 29, to 2:30 a.m. EST Thursday, January 30. 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,

AirNow Data Management Center

Posted January 22, 2020, 16:37 (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

January 24, 2020 04:31 (ET) (All times are in ET)
Agency Ozone PM2.5 PM10
AB1 01/24 02:00 01/24 02:00 02/25 09:00
AF1   01/24 03:00  
AIR      
AKC      
AL2 01/24 02:00 01/24 02:00 01/24 02:00
AL3      
AL4 01/24 02:00 01/24 02:00  
ALG   01/24 02:00  
AR1 01/24 03:00 01/24 03:00  
AZ2 01/24 03:00 01/24 03:00 01/24 03:00
AZ3 01/24 03:00 01/24 03:00 01/24 03:00
AZ4 01/24 03:00 01/24 03:00 01/24 03:00
BAA   01/04 13:00  
BC1 01/24 03:00 01/24 03:00 01/24 03:00
BC2 01/24 03:00 01/24 03:00 01/24 03:00
BI1   01/24 03:00  
BIH   01/24 04:00  
BK1      
BLW 01/24 03:00 04/01 01:00  
BPT 09/11 14:00 01/13 13:00 04/14 18:00
CA1 01/24 03:00 01/24 03:00 08/27 03:00
CA2 01/24 03:00 01/24 03:00  
CA3 01/24 03:00 01/24 03:00 01/24 03:00
CA4 01/24 03:00 01/24 03:00  
CA5 01/24 03:00 01/24 03:00 01/24 03:00
CA6 01/24 02:00 01/24 02:00 01/24 02:00
CA7 01/24 03:00 01/24 03:00 01/24 03:00
CA8 01/24 03:00 01/24 03:00 01/24 03:00
CA9 01/24 03:00 01/24 03:00 01/24 03:00
CAT 11/01 14:00 01/24 03:00  
CHD      
CHO 11/29 13:00    
CI1      
CMB   01/24 03:00  
CN1 01/24 03:00 01/24 03:00  
CN3 12/30 13:00 01/17 01:00 01/17 01:00
CN4 01/24 03:00 01/24 03:00  
CO1 01/24 03:00 01/24 03:00 01/24 03:00
CO4      
CRI   01/24 03:00  
CT1 01/24 03:00 01/24 03:00 01/24 03:00
CUR 06/24 16:00 06/24 16:00  
DC1 01/24 03:00 01/24 04:28 01/24 03:00
DE1 01/24 03:00 01/24 03:00  
DN1      
DRN   01/24 01:00  
DUS   01/24 03:00  
EP1      
EPA   08/21 12:00  
FL1 01/24 02:00 01/24 02:00 01/23 22:00
FL2 01/24 03:00 01/24 03:00 01/24 02:00
FL3 01/24 03:00 01/24 03:00 01/24 03:00
FL4 01/24 03:00 01/24 03:00 01/24 03:00
FS1 01/24 03:00 01/24 04:00 08/05 04:00
GAB   01/24 03:00  
GBU 01/24 03:00 01/24 03:00 01/24 03:00
GH1   12/10 22:00  
GN1   01/24 03:00  
GOL      
GT1   01/24 03:00  
HC1   01/24 03:00  
HI1 01/24 03:00 01/24 03:00 01/24 03:00
IA1 01/24 03:00 01/24 03:00 01/24 03:00
IA2 12/31 14:00 01/24 03:00  
IA3 11/04 09:00 01/24 03:00  
ID1 01/24 02:00 01/24 04:00 01/24 03:00
IL1 01/24 03:00 01/24 03:00  
IN4 01/24 03:00 01/24 03:00 01/24 03:00
JOR   01/24 03:00  
JP1 12/30 02:00 12/30 02:00 12/30 02:00
KAZ   01/24 02:00  
KM1 01/24 03:00 01/24 03:00  
KS1 01/24 03:00 01/24 03:00 01/24 03:00
KY2 01/24 03:00 01/24 03:00 01/24 03:00
KZ1      
LA1 01/24 03:00 01/24 03:00 02/01 00:00
LAO   01/24 03:00  
LC1      
MA1 01/24 03:00 01/24 03:00  
MAD   01/24 03:00  
MD1 01/24 03:00 01/24 03:00  
ME1 01/24 03:00 01/24 03:00 01/24 03:00
MEN 01/24 03:00 01/24 03:00 01/24 03:00
ML1   01/24 03:00  
MLD   10/01 14:00  
MM1 01/24 03:00 01/24 03:00  
MMR 12/13 16:00 01/24 03:00  
MO1 01/24 00:00 01/24 00:00 01/24 00:00
MOE      
MON 01/24 02:00 01/24 03:00 01/24 02:00
MT1 01/24 03:00 01/24 03:00 01/24 03:00
NC2 01/24 03:00 01/24 03:00 01/24 03:00
NCA 01/24 03:00 01/24 03:00 01/24 03:00
NE1      
NE2 01/24 03:00 01/24 03:00 01/24 03:00
NEA   01/24 04:00  
NH1 01/24 03:00 01/24 03:00 01/24 03:00
NJ1 01/24 03:00 01/24 03:00  
NL1 01/24 03:00 01/24 03:00  
NM2 01/24 02:00 01/24 02:00 01/24 02:00
NOS 01/24 02:00 01/24 03:00  
NPS 01/24 03:00 01/24 03:00  
NRB   12/31 18:26 12/31 18:26
NV2 01/24 03:00 01/24 03:00 01/24 03:00
NV3 01/24 03:00 01/24 03:00 01/24 03:00
OAP 01/24 04:00    
OAQ 01/24 03:00 01/24 03:00 01/24 03:00
OAR      
OD1   06/06 12:00  
OH1 01/24 03:00 01/24 03:00 01/24 03:00
OK1 01/24 03:00 01/24 03:00 01/24 03:00
OR1 01/24 02:00 01/24 03:00  
OR2 10/01 15:00 01/24 03:00  
PA3 01/24 03:00 01/24 03:00  
PIN      
PK1   01/24 03:00  
PK2   01/24 03:00  
PK3   01/24 03:00  
PK4   01/24 03:00  
RI1 01/24 02:00 01/24 02:00  
RIY   01/17 02:00  
SC1 01/24 03:00 01/24 03:00 01/24 03:00
SD1 01/24 03:00 01/24 03:00 01/24 03:00
SFN 03/05 07:00    
SHA 01/24 03:00 01/24 03:00  
SIC      
SIS 01/24 03:00 01/24 03:00  
SK1 01/24 03:00 01/24 03:00 08/21 16:00
SLO 01/24 03:00 01/24 03:00 01/24 03:00
SMJ 08/07 09:00   08/07 09:00
SR1 01/24 03:00   01/24 03:00
SU1   01/24 03:00  
SY1   01/24 03:00  
THM 01/24 03:00 01/24 04:00  
TKM      
TN1 11/01 12:00 01/24 03:00  
TN2 01/24 02:00 01/24 01:00 01/01 00:00
TN3 01/24 03:00 01/24 03:00 11/01 00:00
TPCD 01/24 02:00 01/24 02:00 01/24 02:00
TRX 01/13 14:00 01/13 14:00 01/13 14:00
TX1 01/24 03:00 01/24 03:00 01/24 03:00
UDA      
UNR      
UT1 01/24 03:00 01/24 03:00 01/24 03:00
UTE 01/23 19:00 06/01 01:00  
UZB 01/24 03:00 01/24 03:00  
VA1 01/24 03:00 01/24 03:00  
VG1   01/23 19:24  
VT1 01/24 03:00 01/24 03:00 01/24 03:00
WI1 01/24 03:00 01/24 03:00 01/24 03:00
WT1 01/24 03:00    
WV2 01/23 20:00 01/23 10:00