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

The AirNow Data Management Center will be performing routine system maintenance on Thursday, June 27th, 2024 from 7:00pm – Midnight ET. Data feeds and websites, including www.airnowapi.org, https://www.airnowtech.org/, and https://files.airnowtech.org/ may be unavailable or have delayed updates until maintenance is completed.

Posted June 20, 2024, 14:29 (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

June 24, 2024 15:52 (ET) (All times are in ET)
Agency Ozone PM2.5 PM10
AB1 06/24 14:00 06/24 14:00 02/25 09:00
AF1   08/15 08:00  
AIR   06/24 14:00  
AKC      
AL1 06/24 14:00 06/24 14:00 06/20 12:00
AL2 06/24 14:00 06/24 14:00 06/24 14:00
AL3      
AL4 06/24 14:00 06/24 14:00 06/24 14:00
ALG   06/24 14:00  
AZ2 06/24 14:00 06/24 14:00 06/24 14:00
AZ3 06/24 14:00 06/24 14:00 06/24 14:00
AZ4 06/24 14:00 06/24 14:00 06/24 14:00
AZE   06/24 15:00  
BAA   03/16 16:00  
BC1 06/24 14:00 06/24 14:00 06/24 14:00
BC2 06/24 14:00 06/24 14:00 06/24 14:00
BFA   06/24 14:00  
BH2   06/24 15:00  
BI1   06/24 14:00  
BIH   06/24 15:00  
BK1      
BLK 06/24 13:00 06/24 13:00 06/24 13:00
BLW 06/24 14:00 06/24 14:00  
BPT 06/24 14:00 06/24 14:00 06/24 14:00
BR1   06/24 14:00  
BY1      
BZ1   06/24 14:00  
CA0 06/24 14:00 06/24 14:00 06/24 14:00
CA1 06/24 14:00 06/24 14:00 08/27 03:00
CA2 06/24 14:00 06/24 14:00  
CA3 06/24 14:00 06/24 14:00 06/24 14:00
CA4 06/24 14:00 06/24 14:00 06/24 14:00
CA8 06/24 14:00 06/24 14:00 06/24 14:00
CA9 06/24 14:00 06/24 14:00 06/24 14:00
CAT 06/24 15:00 06/24 15:00  
CHD   06/24 14:00  
CHO 11/29 13:00    
CI1   06/13 18:00  
CMB   06/24 15:00  
CN1      
CN2 06/24 14:00 06/18 12:00  
CN3 06/24 14:00 06/24 14:00 05/21 01:00
CN4      
CO1 06/24 14:00 06/24 14:00 06/24 14:00
CO4      
COG   05/31 05:00  
CRI   09/13 18:00  
CT1 06/24 14:00 06/24 14:00 06/24 14:00
CUR 11/01 02:00 05/19 10:00  
DC1 06/24 14:00 06/24 14:00 09/07 08:00
DE1 06/24 14:00 06/24 14:00 06/24 14:00
DN1      
DRN   07/11 09:00  
DUS   06/24 14:00  
EKD   06/11 12:00  
EMU      
EP1      
EPA   08/21 12:00  
FL0      
FL1 06/24 14:00 06/24 14:00 06/24 14:00
FL2 06/24 14:00 06/24 14:00 06/24 14:00
FL3 06/24 14:00 06/24 14:00 06/24 14:00
FL4 06/24 14:00 06/24 14:00 06/24 14:00
FL7      
FS1 06/24 14:00 06/24 15:00 06/24 15:00
GA1 06/24 14:00 06/24 14:00 06/24 14:00
GAB   03/10 02:00  
GBU 06/24 14:00 06/24 14:00 06/24 14:00
GFC      
GH1   06/24 14:00  
GN1   10/31 12:00  
GOL      
GT1 04/25 12:00 06/24 14:00 06/24 14:00
HC1   01/28 19:00  
HI1 06/24 14:00 06/24 15:00 06/24 14:00
IA2 06/24 14:00 06/24 14:00  
IA3 06/24 14:00 06/24 14:00  
IL1 06/24 14:00 06/24 14:00  
JCE      
JDA   06/03 05:00  
JOR 03/06 10:00 03/24 17:00  
JP1 12/30 02:00 12/30 02:00 12/30 02:00
KAZ   06/24 14:00  
KE1   03/08 05:00  
KM1 06/24 14:00 06/24 14:00  
KS1 06/24 14:00 06/24 14:00 06/24 14:00
KY1 06/24 14:00 06/24 14:00  
KY2 06/24 14:00 06/24 14:00 06/24 14:00
KYI   09/17 09:00  
KZ1   06/24 14:00  
LA1 06/24 14:00 06/24 14:00 06/01 00:00
LAO   06/24 14:00  
LC1      
LEM      
LPS      
MA1 06/24 14:00 06/24 14:00 06/24 14:00
MAD   06/24 14:00  
MAP 06/24 14:00 06/24 14:00  
MD1 06/24 14:00 06/24 14:00 06/24 14:00
ME1 06/24 14:00 06/24 14:00 06/24 14:00
MEN 06/24 14:00 06/24 14:00 06/24 14:00
MEX   01/17 14:00  
MGN      
ML1   10/17 08:00  
MM1 06/24 14:00 06/24 14:00  
MMR   06/24 15:00  
MOE      
MON 06/24 14:00 06/24 14:00 06/24 14:00
MS1 06/24 14:00 06/24 14:00 06/24 14:00
MT1 06/24 14:00 06/24 14:00 06/24 14:00
MX2 06/24 14:00 06/24 14:00 06/11 17:00
MY1   06/24 14:00  
NC2 06/24 14:00 06/24 14:00 06/24 14:00
NCA 06/24 14:00 06/24 14:00 06/24 13:00
ND1 06/24 14:00 06/24 14:00 06/24 14:00
NE2 06/24 14:00 06/24 14:00 06/24 14:00
NEA   06/24 15:00  
NH1 06/24 14:00 06/24 14:00 06/24 14:00
NI1   06/24 14:00  
NI2   01/02 04:00  
NJ1 06/24 14:00 06/24 14:00  
NL1 06/24 14:00 06/24 14:00 01/22 13:00
NM2 06/24 14:00 06/24 14:00 06/24 14:00
NOS 06/24 14:00 06/24 14:00  
NPS 06/24 14:00 06/24 14:00  
NRB   12/31 18:26 12/31 18:26
NV2 06/24 14:00 06/24 14:00 06/24 14:00
NV3 06/24 14:00 06/24 14:00 06/24 14:00
OAP 06/24 14:00    
OAQ 06/18 07:00 06/18 07:00 06/18 07:00
OAR      
OCN      
OD1   06/06 13:00  
OH1 06/24 14:00 06/24 14:00 06/24 14:00
OR1 06/24 14:00 06/24 14:00  
OR2 06/24 14:00 06/24 14:00  
OTH      
PA1 06/24 14:00 06/24 14:00 12/31 23:00
PA2 06/24 14:00 06/24 14:00 06/24 14:00
PA3 06/24 14:00 06/24 14:00  
PAR   06/24 14:00  
PH1   06/24 14:00  
PIN      
PK1   06/24 14:00  
PK2   06/24 14:00  
PK3   06/14 08:00  
PK4   06/24 14:00  
QA1 06/24 14:00 06/24 14:00  
RI1 06/24 14:00 06/24 14:00  
RIY   12/30 04:00  
RT9      
RWA   05/13 19:00  
SC1 06/24 14:00 06/24 14:00 06/24 14:00
SCS      
SEN   06/24 15:00  
SFN 03/05 07:00    
SHA 06/24 14:00 06/24 14:00  
SIC      
SK1 06/24 14:00 06/24 14:00  
SLO 06/24 14:00 06/24 14:00 06/24 14:00
SMA 02/04 05:00 02/04 05:00 08/07 09:00
SMJ 06/05 09:00 06/05 09:00 06/05 09:00
SMS      
SR1 06/24 14:00   06/24 14:00
SU1   05/04 14:00  
SY1   06/24 14:00  
TEL      
THM 06/24 14:00 06/24 14:00 06/24 14:00
TMA      
TN1 06/24 14:00 06/24 14:00  
TN2 06/24 14:00 06/24 14:00 06/24 14:00
TN3 06/24 14:00 06/24 14:00 01/01 00:00
TN5 06/24 14:00 06/24 14:00  
TNC      
TOG   06/24 14:00  
TPCD 06/24 13:00 06/24 14:00 06/24 14:00
TRP   06/24 14:00  
TRX 06/24 17:00 06/24 16:00 06/24 17:00
TSI      
TX1 06/24 14:00 06/24 14:00 06/24 14:00
UDA      
UGS      
UNR      
UTE 06/24 14:00 06/01 01:00  
UTM      
UZB 06/24 14:00 06/24 14:00  
VA1 06/24 14:00 06/24 14:00 06/24 14:00
VG1   01/23 19:24  
VT1 06/24 14:00 06/24 14:00 06/24 14:00
WA1 06/24 14:00 06/24 14:00 06/24 14:00
WES      
WI1 06/24 14:00 06/24 14:00 06/24 14:00
WT1 06/24 14:00    
WV2 06/24 14:00 06/24 14:00  
YER   06/15 07:00