Notice regarding new AirNow sitesDear AirNow-Tech users,
Posted April 3, 2020, 09:10 (PT)
Due to a large number of new international sites coming into AirNow and the increasing possibility of duplicate 9 digit site ID’s, we have prepended the 3 digit country code (840 for the U.S.) to all new sites coming into the system as of June 2018. If your agency is adding new sites, a 12 digit site code in your site list is the expected behavior. Sites that existed prior to June 2018 had back-end adjustments made to ensure they are kept separate from international sites with the same 9 digit code. Please send any questions or concerns to AirNowInfo@sonomatech.com. Thank you, AirNow Data Management Center
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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
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 |
| August 11, 2020 10:53 (ET) | (All times are in ET) |
| Agency | Ozone | PM2.5 | PM10 |
|---|---|---|---|
| AB1 | 08/11 09:00 | 08/11 09:00 | 02/25 09:00 |
| AF1 | 08/11 10:00 | ||
| AIR | |||
| AKC | |||
| AL2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| AL3 | |||
| AL4 | 08/11 08:00 | 08/11 08:00 | |
| ALG | 08/11 08:00 | ||
| AR1 | 08/11 09:00 | 08/11 09:00 | |
| AZ2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| AZ3 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| AZ4 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| BAA | 08/11 08:00 | ||
| BC1 | 08/11 09:00 | 08/11 09:00 | 04/07 15:00 |
| BC2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| BI1 | 08/11 09:00 | ||
| BIH | 08/11 10:00 | ||
| BK1 | |||
| BLW | 08/11 09:00 | 04/01 01:00 | |
| BPT | 09/11 14:00 | 01/13 13:00 | 04/14 18:00 |
| CA1 | 08/11 09:00 | 08/11 09:00 | 08/27 03:00 |
| CA2 | 08/11 09:00 | 08/11 09:00 | |
| CA3 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CA4 | 08/11 09:00 | 08/11 09:00 | |
| CA5 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CA6 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CA8 | 08/11 09:00 | 08/11 10:00 | 08/11 09:00 |
| CA9 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CAT | 08/11 08:00 | 08/11 09:00 | |
| CHD | 08/11 08:00 | ||
| CHO | 11/29 13:00 | ||
| CI1 | 08/11 09:00 | ||
| CMB | 08/11 10:00 | ||
| CN1 | 08/11 09:00 | 08/11 09:00 | |
| CN3 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CN4 | 02/01 10:00 | 01/21 14:00 | |
| CO1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CO4 | |||
| CRI | 08/11 09:00 | ||
| CT1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| CUR | 08/11 08:00 | 08/11 08:00 | |
| DC1 | 08/11 09:00 | 08/11 10:52 | 04/23 12:00 |
| DE1 | 08/11 09:00 | 08/11 09:00 | |
| DN1 | |||
| DRN | 08/11 09:00 | ||
| DUS | 08/11 09:00 | ||
| EP1 | |||
| EPA | 08/21 12:00 | ||
| FL1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| FL2 | 08/11 09:00 | 08/11 09:00 | 08/04 10:00 |
| FL3 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| FL4 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| FS1 | 08/11 09:00 | 08/11 10:00 | 08/05 04:00 |
| GAB | 03/27 03:00 | ||
| GBU | 08/11 09:00 | 08/11 10:00 | 08/11 09:00 |
| GH1 | 08/11 09:00 | ||
| GN1 | 08/10 04:00 | ||
| GOL | |||
| GT1 | 08/11 09:00 | ||
| HC1 | 08/11 09:00 | ||
| HI1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| IA2 | 08/11 09:00 | 08/11 09:00 | |
| IA3 | 08/11 05:00 | 08/10 11:00 | |
| ID1 | 08/11 09:00 | 08/11 10:00 | 08/11 09:00 |
| IL1 | 08/11 09:00 | 08/11 09:00 | |
| IN4 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| JDA | 08/11 08:00 | ||
| JOR | 08/07 02:00 | ||
| JP1 | 12/30 02:00 | 12/30 02:00 | 12/30 02:00 |
| KAZ | 08/11 08:00 | ||
| KM1 | 08/11 10:00 | 08/11 10:00 | |
| KS1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| KY1 | 08/11 09:00 | 08/11 09:00 | |
| KY2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| KZ1 | 08/11 09:00 | ||
| LA1 | 08/11 09:00 | 08/11 09:00 | 02/01 00:00 |
| LAO | 07/13 06:00 | ||
| LC1 | |||
| MA1 | 08/11 09:00 | 08/11 09:00 | |
| MAD | 08/11 09:00 | ||
| MD1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| ME1 | 08/11 09:00 | 08/11 09:00 | 08/11 07:00 |
| MEN | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| ML1 | 08/11 09:00 | ||
| MLD | 10/01 14:00 | ||
| MM1 | 08/11 09:00 | 08/11 09:00 | |
| MMR | 08/11 10:00 | 08/11 10:00 | |
| MO1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| MOE | |||
| MON | 08/11 08:00 | 08/11 08:00 | 08/11 08:00 |
| MT1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| MY1 | 03/03 14:00 | ||
| NC1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NC2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NCA | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NE2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NEA | 08/11 10:00 | ||
| NH1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NI1 | |||
| NI2 | |||
| NJ1 | 08/11 09:00 | 08/11 09:00 | |
| NL1 | 08/11 09:00 | 08/11 09:00 | |
| NM2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NOS | 08/11 09:00 | 08/11 09:00 | |
| NPS | 08/11 09:00 | 08/11 10:00 | |
| NRB | 12/31 18:26 | 12/31 18:26 | |
| NV2 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| NV3 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| OAP | 08/11 10:00 | ||
| OAQ | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| OAR | |||
| OD1 | 06/06 12:00 | ||
| OH1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| OR1 | 08/11 09:00 | 08/11 09:00 | |
| OR2 | 08/11 09:00 | 08/11 09:00 | |
| PA3 | 08/11 09:00 | 08/11 09:00 | |
| PIN | |||
| PK1 | 08/11 09:00 | ||
| PK2 | 08/11 09:00 | ||
| PK3 | 08/11 09:00 | ||
| PK4 | 08/11 09:00 | ||
| RI1 | 08/11 09:00 | 08/11 09:00 | |
| RIY | 06/23 09:00 | ||
| SC1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| SFN | 03/05 07:00 | ||
| SHA | 08/11 09:00 | 08/11 09:00 | |
| SIC | |||
| SIS | 08/11 09:00 | 08/11 09:00 | |
| SK1 | 08/11 09:00 | 08/11 09:00 | 08/21 16:00 |
| SLO | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| SMJ | 08/11 09:00 | 08/11 09:00 | |
| SR1 | 08/11 09:00 | 08/11 09:00 | |
| SU1 | 08/11 09:00 | ||
| SY1 | 08/11 09:00 | ||
| THM | 08/11 09:00 | 08/11 09:00 | |
| TKM | |||
| TN1 | 08/11 09:00 | 08/11 09:00 | |
| TN2 | 08/11 08:00 | 03/02 23:00 | 01/01 00:00 |
| TN3 | 08/11 09:00 | 08/11 09:00 | 11/01 00:00 |
| TPCD | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| TX1 | 08/11 08:00 | 08/11 08:00 | 08/11 08:00 |
| UDA | |||
| UNR | |||
| UTE | 08/11 09:00 | 06/01 01:00 | |
| UZB | 08/11 09:00 | 08/11 09:00 | |
| VA1 | 08/11 09:00 | 08/11 09:00 | |
| VG1 | 01/23 19:24 | ||
| VT1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| WI1 | 08/11 09:00 | 08/11 09:00 | 08/11 09:00 |
| WT1 | 08/11 09:00 | ||
| WV2 | 08/11 09:00 | 08/11 09:00 |