AirNow-Tech: Home

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

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

April 16, 2024 05:43 (ET)

(All times are in ET)

Agency	Ozone	PM_2.5	PM₁₀
AB1	04/16 04:00	04/16 04:00	02/25 09:00
AF1		08/15 08:00
AIR		04/05 17:00
AKC
AL1	04/16 04:00	04/16 04:00	04/16 04:00
AL2	04/16 04:00	04/16 04:00	04/16 04:00
AL3
AL4	04/16 04:00	04/16 04:00	04/16 04:00
ALG		04/16 04:00
AZ2	04/16 04:00	04/16 04:00	04/16 04:00
AZ3	04/16 04:00	04/16 04:00	04/16 04:00
AZ4	04/16 04:00	04/16 04:00	04/16 04:00
AZE		04/16 05:00
BAA		03/16 16:00
BC1	04/16 04:00	04/16 04:00	04/16 04:00
BC2	04/16 04:00	04/16 04:00	04/16 04:00
BFA		04/16 05:00
BH2		04/16 05:00
BI1		04/16 04:00
BIH		04/16 05:00
BK1
BLK	04/16 04:00	04/16 04:00	04/16 04:00
BLW	04/16 04:00	04/16 04:00
BPT	04/16 04:00	04/16 04:00	04/16 04:00
BR1		04/16 04:00
BZ1		04/16 04:00
CA0	04/16 04:00	04/16 04:00	04/16 04:00
CA1	04/16 04:00	04/16 04:00	08/27 03:00
CA2	04/16 04:00	04/16 04:00
CA3	04/16 04:00	04/16 04:00	04/16 04:00
CA4	04/16 04:00	04/16 04:00	04/16 04:00
CA8	04/16 04:00	04/16 04:00	04/16 04:00
CA9	04/16 04:00	04/16 04:00	04/16 04:00
CAT	04/16 05:00	04/16 05:00
CHD		04/16 04:00
CHO	11/29 13:00
CI1		04/16 03:00
CMB		04/16 04:00
CN1
CN2	04/16 04:00
CN3	04/16 04:00	04/16 04:00	05/21 01:00
CN4
CO1	04/16 04:00	04/16 04:00	04/16 04:00
CO4
COG		05/09 10:00
CRI		09/13 18:00
CT1	04/16 04:00	04/16 04:00	04/16 04:00
CUR	11/01 02:00	05/19 10:00
DC1	04/16 04:00	04/16 04:00	09/07 08:00
DE1	04/16 04:00	04/16 04:00
DN1
DRN		07/11 09:00
DUS		04/16 04:00
EKD		04/16 04:00
EMU
EP1
EPA		08/21 12:00
FL0
FL1	04/16 04:00	04/16 04:00	04/16 04:00
FL2	04/16 04:00	04/16 04:00	04/16 03:00
FL3	04/16 04:00	04/16 04:00	04/16 04:00
FL4	04/16 04:00	04/16 04:00	04/16 04:00
FL7
FS1	04/16 04:00	04/16 05:00	04/16 05:00
GA1	04/16 04:00	04/16 04:00	04/16 04:00
GAB		03/10 02:00
GBU	04/16 04:00	04/16 04:00	04/16 04:00
GFC
GH1		04/12 19:00
GN1		10/31 12:00
GOL
GT1	03/06 12:00	04/16 04:00	01/17 15:00
HC1		01/28 19:00
HI1	04/16 04:00	04/16 04:00	04/16 04:00
IA2	04/16 04:00	04/16 04:00
IA3	04/16 04:00	04/16 04:00
IL1	04/16 04:00	04/16 04:00
JCE
JDA		04/16 04:00
JOR	03/06 10:00	03/24 17:00
JP1	12/30 02:00	12/30 02:00	12/30 02:00
KAZ		04/16 04:00
KE1		03/08 05:00
KM1	04/16 05:00	04/16 05:00
KS1	04/16 04:00	04/16 04:00	04/16 04:00
KY1	04/16 04:00	04/16 04:00
KY2	04/16 04:00	04/16 04:00	04/16 04:00
KYI		09/17 09:00
KZ1		04/16 04:00
LA1	04/16 04:00	04/16 04:00	03/01 00:00
LAO		04/16 04:00
LC1
LEM
LPS
MA1	04/16 04:00	04/16 04:00	04/16 04:00
MAD		04/16 04:00
MAP	04/16 04:00	04/16 04:00
MD1	04/16 04:00	04/16 04:00	04/16 04:00
ME1	04/16 04:00	04/16 04:00	04/16 04:00
MEN	04/12 16:00	04/16 04:00	04/16 04:00
MEX		01/17 14:00
MGN
ML1		10/17 08:00
MM1	04/16 04:00	04/16 04:00
MMR		04/16 05:00
MOE
MON	04/16 04:00	04/16 04:00	04/16 04:00
MS1	04/16 04:00	04/16 04:00	04/16 04:00
MT1	04/16 04:00	04/16 04:00	04/16 04:00
MX2	04/16 04:00	04/16 04:00	04/16 04:00
MY1		04/16 04:00
NC2	04/16 04:00	04/16 04:00	04/16 04:00
NCA	04/16 04:00	04/16 04:00	04/16 04:00
ND1	04/16 04:00	04/16 04:00	04/16 04:00
NE2	04/16 04:00	04/16 04:00	04/16 04:00
NEA		04/16 05:00
NH1	04/16 04:00	04/16 04:00	04/16 04:00
NI1		04/16 04:00
NI2		01/02 04:00
NJ1	04/16 04:00	04/16 04:00
NL1	04/16 04:00	04/16 04:00	01/22 13:00
NM2	04/16 04:00	04/16 04:00	04/16 04:00
NOS	04/16 04:00	04/16 04:00
NPS	04/16 04:00	04/16 04:00
NRB		12/31 18:26	12/31 18:26
NV2	04/16 04:00	04/16 04:00	04/16 04:00
NV3	04/16 04:00	04/16 04:00	04/16 04:00
OAP	04/16 04:00
OAQ	04/16 04:00	04/16 04:00	04/16 04:00
OAR
OCN
OD1		06/06 13:00
OH1	04/16 04:00	04/16 04:00	04/16 04:00
OR1	04/16 04:00	04/16 04:00
OR2	10/05 12:00	04/16 04:00
OTH
PA2	04/16 04:00	04/16 04:00	04/16 04:00
PA3	04/16 04:00	04/16 04:00
PAR		04/16 04:00
PH1		04/16 04:00
PIN
PK1		04/16 04:00
PK2		04/16 04:00
PK3		04/15 08:00
PK4		04/16 04:00
QA1	09/19 06:00	11/30 03:00
RI1	04/16 04:00	04/16 04:00
RIY		12/30 04:00
RT9
RWA		04/16 04:00
SC1	04/16 04:00	04/16 04:00	04/16 04:00
SCS
SEN		04/16 05:00
SFN	03/05 07:00
SHA	04/16 04:00	04/16 04:00
SIC
SK1	04/16 04:00	04/16 04:00
SLO	04/16 04:00	04/16 04:00	04/16 04:00
SMA	02/04 05:00	02/04 05:00	08/07 09:00
SMJ	04/09 19:00	04/09 19:00	04/09 19:00
SMS
SR1	04/16 04:00		04/16 04:00
SU1		05/04 14:00
SY1		04/16 04:00
TEL
THM	04/16 04:00	04/16 04:00	04/16 04:00
TN1	04/16 04:00	04/16 04:00
TN2	04/16 04:00	04/16 04:00	12/31 23:00
TN3	04/16 04:00	04/16 04:00	01/01 00:00
TNC
TOG		04/16 04:00
TPCD	04/16 04:00	04/16 04:00	04/16 04:00
TRP		04/14 06:00
TRX	04/16 06:00	04/16 06:00	04/16 06:00
TSI
TX1	04/16 04:00	04/16 04:00	04/16 04:00
UDA
UGS
UNR
UTE	04/16 04:00	06/01 01:00
UTM
UZB	04/16 04:00	04/16 04:00
VA1	04/16 04:00	04/16 04:00	04/16 04:00
VG1		01/23 19:24
VT1	04/16 04:00	04/16 04:00	04/16 04:00
WA1	04/16 04:00	04/16 04:00	04/16 04:00
WES
WI1	04/16 04:00	04/16 04:00	04/16 04:00
WT1	04/16 04:00
WV2	04/16 04:00	04/16 04:00
YER		06/15 07:00