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

February 16, 2025 18:57 (ET)

(All times are in ET)

Agency	Ozone	PM_2.5	PM₁₀
AB1	02/16 17:00	02/16 17:00	02/25 09:00
AF1		08/15 08:00
AIR		01/03 16:00
AKC
AL1	11/01 06:00	02/16 17:00	12/06 14:00
AL2	02/16 17:00	02/16 17:00	02/16 17:00
AL3
AL4	11/04 08:00	02/16 17:00	02/16 17:00
ALG		02/16 17:00
AZ2	02/16 17:00	02/16 17:00	02/16 17:00
AZ3	02/16 17:00	02/16 17:00	02/16 17:00
AZ4	02/16 17:00	02/16 17:00	02/16 17:00
AZE		02/16 17:00
BAA		03/16 16:00
BC1	02/16 17:00	02/16 17:00	02/16 17:00
BC2	02/16 10:00	02/16 10:00	09/27 13:00
BFA		02/15 10:00
BH2		02/16 18:00
BI1		02/16 17:00
BIH		02/16 17:00
BK1
BLK	02/16 17:00	02/16 17:00	02/16 17:00
BLW	02/16 17:00	02/16 17:00
BPT	10/02 15:00	02/16 17:00	02/16 17:00
BR1		02/16 17:00
BY1
BZ1		02/14 23:00
CA0	02/16 17:00	02/16 17:00	02/16 17:00
CA1	02/16 17:00	02/16 17:00	08/27 03:00
CA2	02/16 17:00	02/16 17:00
CA3	02/16 17:00	02/16 17:00	02/16 17:00
CA4	02/16 17:00	02/16 17:00	02/16 17:00
CA6	02/16 17:00	02/16 17:00	02/16 17:00
CA8	02/16 17:00	02/16 17:00	02/16 17:00
CA9	02/16 17:00	02/16 17:00	02/16 17:00
CAT	11/15 07:00	02/16 17:00
CHD		02/16 17:00
CHO	11/29 13:00
CI1		02/16 17:00
CMB		02/16 18:00
CN1
CN2	02/16 17:00	02/16 16:00
CN3	02/16 17:00	02/16 16:00	02/16 05:00
CN4
CO1	02/16 17:00	02/16 17:00	02/16 17:00
CO4
COG		02/16 17:00
CRI		09/13 18:00
CSB
CT1	02/16 17:00	02/16 17:00	02/16 17:00
CUR	11/01 02:00	12/11 22:00
DC1	02/16 17:00	02/16 17:00	02/16 17:00
DE1	02/16 17:00	02/16 17:00	02/16 17:00
DN1
DOS
DRN		02/16 17:00
DUS		02/16 17:00
EKD		02/16 17:00	07/01 02:00
EMU
EP1
EPA		08/21 12:00
FL0
FL1	02/16 17:00	02/16 17:00	02/16 17:00
FL2	02/16 17:00	02/16 17:00	02/16 17:00
FL3	02/16 17:00	02/16 17:00	02/16 17:00
FL4	02/16 17:00	02/16 17:00	02/16 17:00
FL7
FS1	02/16 17:00	02/16 18:00	02/16 18:00
GA1	02/16 17:00	02/16 17:00	02/16 17:00
GAB		03/10 02:00
GBU	02/16 17:00	02/16 17:00	02/16 17:00
GFC
GH1		02/10 11:00
GN1		01/28 09:00
GOL
GT1	02/16 17:00	02/16 17:00	11/01 17:00
HC1		01/28 19:00
HI1	02/16 17:00	02/16 17:00	02/16 17:00
IA2	11/01 06:00	02/16 17:00
IA3	11/01 04:00	02/16 17:00
IL1	02/16 17:00	02/16 17:00
JCE
JDA		02/16 17:00
JOR	03/06 10:00	02/15 06:00
JP1	12/30 02:00	12/30 02:00	12/30 02:00
KAZ		02/16 17:00
KE1		02/16 17:00
KM1	02/12 06:00	02/16 18:00
KS1	02/16 17:00	02/16 17:00	02/16 17:00
KY1	02/16 17:00	02/16 17:00
KY2	02/16 17:00	02/16 17:00	02/16 17:00
KYI		09/17 09:00
KZ1		02/16 16:00
LA1	02/16 17:00	02/16 17:00	01/01 00:00
LAO		02/16 17:00
LC1
LEM
LPS
MA1	02/16 17:00	02/16 17:00	02/16 17:00
MAD		02/16 17:00
MAP	02/16 17:00	02/16 17:00
MD1	02/16 17:00	02/16 17:00	02/16 17:00
ME1	02/16 17:00	02/16 17:00	02/16 17:00
MEN	02/16 17:00	02/16 17:00	02/06 14:00
MEX		02/16 17:00
MGN
ML1		10/17 08:00
MM1	02/16 17:00	02/16 17:00
MMR		02/16 18:00
MOE
MON	02/16 17:00	02/16 17:00	02/16 17:00
MS1	02/14 10:00	02/14 10:00	02/14 10:00
MT1	02/16 17:00	02/16 17:00	02/16 17:00
MX2	01/20 11:00	01/20 11:00	01/20 11:00
MY1		10/29 00:00
NC2	02/16 17:00	02/16 17:00	02/16 17:00
NCA	02/16 17:00	02/16 17:00	02/16 17:00
ND1	02/16 17:00	02/16 17:00	02/16 17:00
NE2	02/16 17:00	02/16 17:00	02/16 17:00
NEA		01/06 20:00
NH1	02/16 17:00	02/16 17:00	02/16 17:00
NI1		02/16 17:00
NI2		02/12 10:00
NJ1	02/16 17:00	02/16 17:00
NL1	02/16 17:00	02/16 17:00	01/22 13:00
NM2	02/16 17:00	02/16 17:00	02/16 17:00
NOS	02/16 17:00	02/16 17:00
NPS	02/16 17:00	02/16 17:00
NRB		12/31 18:26	12/31 18:26
NV1	02/16 17:00	02/16 17:00	02/16 17:00
NV2	02/16 17:00	02/16 17:00	02/16 17:00
NV3	02/16 17:00	02/16 17:00	02/16 17:00
OAP	02/16 17:00
OAQ	02/16 17:00	02/16 17:00	02/16 17:00
OAR
OCN
OD1		06/06 13:00
OH1	02/16 17:00	02/16 17:00	02/16 17:00
OR1	02/16 17:00	02/16 17:00
OR2	10/01 16:00	02/16 17:00
OTH
PA1	02/16 17:00	02/16 17:00	04/14 23:00
PA2	02/16 17:00	02/16 17:00	02/16 17:00
PA3	02/16 17:00	02/16 17:00
PAR		02/16 18:00
PH1		02/16 17:00
PIN
PK1		02/16 17:00
PK2		02/16 17:00
PK3		02/16 17:00
PK4		02/16 17:00
PR1	02/16 17:00	02/16 17:00	02/16 17:00
QA1	02/16 17:00	02/16 17:00
RAB
RI1	02/16 17:00	02/16 17:00
RIY		12/30 04:00
RT9
RWA		02/12 00:00
SC1	02/16 17:00	02/16 17:00	02/16 17:00
SCS
SEN		09/23 20:00
SFN	03/05 07:00
SHA	02/16 17:00	02/16 17:00
SIC
SK1	02/16 17:00	02/16 17:00
SLO	02/16 17:00	02/16 17:00	02/16 17:00
SMA	02/04 05:00	02/04 05:00	08/07 09:00
SMJ	06/05 10:00	06/05 10:00	06/05 10:00
SMS
SR1	02/16 17:00		02/16 17:00
SU1		05/04 14:00
SY1		02/16 17:00
TEL
THM	02/16 16:00	02/16 16:00	02/16 16:00
TMA
TN1	11/07 14:00	02/16 17:00
TN2	02/16 17:00	02/16 17:00	02/16 17:00
TN3	02/16 17:00	02/16 17:00	07/01 00:00
TN5	11/01 06:00	02/16 17:00
TNC
TOG		02/16 17:00
TPCD	10/31 06:00	10/31 06:00	10/31 06:00
TRP		02/16 16:00
TRX	02/16 19:00	02/16 18:00	02/16 17:00
TSI
TX1	02/16 17:00	02/16 17:00	02/16 17:00
UDA
UGS
UNR
UTE	02/16 17:00	06/01 01:00
UTM
UZB	02/16 17:00	02/16 17:00
VA1	02/16 17:00	02/16 17:00	02/16 17:00
VG1		01/23 19:24
VT1	02/16 17:00	02/16 17:00	02/16 17:00
WA1	02/16 17:00	02/16 17:00	02/16 17:00
WES
WI1	02/16 17:00	02/16 17:00	02/16 17:00
WT1	02/16 17:00
WTN
WV2	02/16 17:00	02/16 17:00
WY1	02/16 17:00	02/16 17:00	02/16 17:00
YER		06/15 07:00
YND
ZMB