Monthly System Maintenance Thursday, January 27th, 7:00 p.m. to Midnight ET.

The AirNow Data Management Center will be performing routine system maintenance on Thursday, January 27th, 2022 from 7:00pm – Midnight ET. Data feeds and websites, including www.airnowapi.org, https://www.airnowtech.org/, and http://files.airnowtech.org/ may be unavailable or have delayed updates until maintenance is completed.

Posted January 20, 2022, 09:08 (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 26, 2022 08:40 (ET) (All times are in ET)
Agency Ozone PM2.5 PM10
AB1 01/26 07:00 01/26 07:00 02/25 09:00
AF1   08/15 08:00  
AIR      
AKC      
AL2 01/26 07:00 01/26 07:00 01/26 07:00
AL3      
AL4 11/01 11:00 01/26 07:00  
ALG   01/26 07:00  
AZ2 01/26 07:00 01/26 07:00 01/26 07:00
AZ3 01/26 07:00 01/26 07:00 01/26 07:00
AZ4 01/26 07:00 01/26 07:00 01/26 07:00
AZE   11/19 18:00  
BAA   01/26 06:00  
BC1 01/26 07:00 01/26 07:00 01/26 07:00
BC2 01/26 07:00 01/26 07:00 01/26 07:00
BFA   01/13 08:00  
BH2   01/26 06:00  
BI1   01/26 07:00  
BIH   01/26 08:00  
BK1      
BLW 01/26 07:00 01/26 07:00  
BPT 01/26 07:00 01/26 07:00 01/26 07:00
BR1      
CA1 01/26 07:00 01/26 07:00 08/27 03:00
CA2 01/26 07:00 01/26 07:00  
CA3 01/26 07:00 01/26 07:00 01/26 07:00
CA4 01/26 07:00 01/26 07:00  
CA6 01/26 07:00 01/26 07:00 01/26 07:00
CA8 01/26 07:00 01/26 07:00 01/26 07:00
CA9 01/26 07:00 01/26 07:00 01/26 07:00
CAT 01/26 07:00 01/26 07:00  
CHD   01/26 06:00  
CHO 11/29 13:00    
CI1   01/26 07:00  
CMB   01/26 07:00  
CN1 01/26 07:00 01/26 07:00  
CN3 01/26 05:00 01/26 05:00 01/26 05:00
CN4      
CO1 01/26 07:00 01/26 07:00 01/26 07:00
CO4      
COG      
CRI   01/26 07:00  
CT1 01/26 07:00 01/26 07:00 01/26 07:00
CUR 09/22 02:00 09/22 15:00  
DC1 01/26 08:38 01/26 07:00 01/26 07:00
DE1 01/26 07:00 01/26 07:00  
DN1      
DRN   07/14 09:00  
DUS   01/26 07:00  
EGY   03/16 14:00  
EMU      
EP1      
EPA   08/21 12:00  
FL0      
FL1 01/26 07:00 01/26 07:00 01/26 07:00
FL2 01/26 07:00 01/26 07:00 01/26 07:00
FL3 01/26 07:00 01/26 07:00 01/26 07:00
FL4 01/26 07:00 01/26 07:00 01/26 07:00
FS1 01/26 07:00 01/26 08:00 01/25 19:00
GAB   01/26 07:00  
GBU 01/26 07:00 01/26 07:00 01/26 07:00
GH1   01/26 07:00  
GN1   06/14 08:00  
GOL      
GT1 01/26 07:00 01/26 07:00 01/26 07:00
HC1   01/26 07:00  
HI1 01/20 17:00 01/26 07:00 01/26 07:00
IA2 12/17 10:00 01/26 07:00  
IA3 11/01 05:00 01/26 07:00  
ID1 01/26 07:00 01/26 07:00 01/26 07:00
IL1 01/26 07:00 01/26 07:00  
JDA   01/26 06:00  
JOR   11/01 21:00  
JP1 12/30 02:00 12/30 02:00 12/30 02:00
KAZ   01/26 06:00  
KE1   01/26 06:00  
KM1 01/26 08:00 01/26 08:00  
KS1 01/26 07:00 01/26 07:00 01/26 07:00
KY1 01/26 07:00 01/26 07:00  
KY2 01/26 07:00 01/26 07:00 01/26 07:00
KYI   09/17 08:00  
KZ1   01/26 07:00  
LA1 01/26 07:00 01/26 07:00 02/01 00:00
LAO   01/26 07:00  
LC1      
MA1 01/26 07:00 01/26 07:00  
MAD   01/26 07:00  
MD1 01/26 07:00 01/26 07:00 01/26 07:00
ME1 01/26 07:00 01/26 07:00 01/26 07:00
MEN 01/26 07:00 01/26 07:00 01/26 07:00
MEX   01/26 07:00  
MGN      
ML1   01/05 05:00  
MM1 01/26 07:00 01/26 07:00  
MMR   01/26 08:00  
MO1 01/26 07:00 01/26 07:00 01/26 07:00
MOE      
MON 01/26 07:00 01/26 07:00 01/26 07:00
MY1   03/03 14:00  
NC1 01/26 07:00 01/26 07:00 01/26 07:00
NC2 01/26 07:00 01/26 07:00 01/26 07:00
NCA 01/19 09:00 01/10 18:00 01/07 15:00
NE2 01/26 07:00 01/26 07:00 01/26 07:00
NEA   01/26 08:00  
NH1 01/26 07:00 01/26 07:00 01/26 07:00
NI1   01/12 08:00  
NI2   01/26 06:00  
NJ1 01/26 07:00 01/26 07:00  
NL1 01/26 07:00 01/26 07:00 01/26 06:00
NM2 01/26 07:00 01/26 07:00 01/26 07:00
NOS 01/26 05:00 01/26 07:00  
NPS 01/26 07:00 01/26 07:00  
NRB   12/31 18:26 12/31 18:26
NV3 01/26 07:00 01/26 07:00 01/26 07:00
OAP 01/26 07:00    
OAQ 01/26 07:00 01/26 07:00 01/26 07:00
OAR      
OCN      
OD1   06/06 12:00  
OH1 01/26 07:00 01/26 07:00 01/26 07:00
OK1 01/26 07:00 01/26 07:00 01/26 07:00
OR1 01/26 07:00 01/26 07:00  
OR2 10/01 11:00 01/26 07:00  
PA3 01/26 07:00 01/26 07:00  
PIN      
PK1   01/26 06:00  
PK2   01/26 06:00  
PK3   01/26 07:00  
PK4   01/26 07:00  
QA1   12/30 11:00  
RI1 01/26 07:00 01/26 07:00  
RIY   12/30 04:00  
RT9      
RWA   10/29 12:00  
SC1 01/26 07:00 01/26 07:00 01/26 07:00
SEN      
SFN 03/05 07:00    
SHA 01/26 07:00 01/26 07:00  
SIC      
SK1 01/26 07:00 01/26 07:00 08/21 16:00
SLO 01/26 07:00 01/26 07:00 01/26 07:00
SMA 02/04 05:00 02/04 05:00 08/07 09:00
SMJ 01/26 06:00   01/26 06:00
SR1 01/26 07:00   01/26 07:00
SU1   01/26 07:00  
SY1   01/26 07:00  
THM 01/24 18:00 01/26 07:00  
TKM      
TN2 01/26 07:00 01/26 06:00 01/01 00:00
TN3 01/26 07:00 01/26 07:00 11/01 00:00
TPCD 06/01 06:00 06/01 06:00 06/01 06:00
TX1 01/26 06:00 01/26 06:00 01/26 06:00
UDA      
UNR      
UTE 01/26 07:00 06/01 01:00  
UZB 06/27 16:00 01/25 21:00  
VA1 01/26 07:00 01/26 07:00  
VG1   01/23 19:24  
VT1 01/26 07:00 01/26 07:00 01/26 07:00
WA1 01/26 07:00 01/26 07:00 01/26 07:00
WI1 01/26 07:00 01/26 07:00 01/26 07:00
WT1 01/26 07:00    
WV2 01/26 07:00 01/26 07:00  
YER