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Today’s Air Quality & Forecasts

The Goleta and Santa Barbara monitors are currently offline. We apologize for the inconvenience. In the meantime, please refer to the readings from the other monitoring stations.

Current Air Quality Conditions

Air quality values and colors shown here correspond with the Air Quality Index (AQI). More information about AQI is available at the bottom of this webpage.

The grid below shows current AQI air quality conditions for each pollutant that is measured at each of our monitoring stations. By clicking the “Show” button on each monitoring station box, you can see what the AQI conditions were for the past 24 hours, shown in a rolling format.

HourOZONEPM10PM2.5
2026-09-11T14:00223044
2026-09-11T15:00233156
2026-09-11T16:00263256
2026-09-11T17:00252956
2026-09-11T18:00273062
2026-09-11T19:00264260
2026-09-11T20:00304459
2026-09-11T21:00324860
2026-09-11T22:00315362
2026-09-11T23:00315862
2026-09-12T00:00325257
2026-09-12T01:00344966
2026-09-12T02:00314358
2026-09-12T03:00312852
2026-09-12T04:00282252
2026-09-12T05:00272047
2026-09-12T06:00231951
2026-09-12T07:00251952
2026-09-12T08:00271653
2026-09-12T09:00251656
2026-09-12T10:00251456
2026-09-12T11:00241253
2026-09-12T12:0025953
2026-09-12T13:0026648
2026-09-12T14:0024335
2026-09-12T15:0024326
2026-09-12T16:0023424
2026-09-12T17:0022923
2026-09-12T18:00242731
2026-09-12T19:00265040
2026-09-12T20:00295352
2026-09-12T21:00315553
2026-09-12T22:00335155
2026-09-12T23:00324155
2026-09-13T00:00303452
2026-09-13T01:00312953
2026-09-13T02:00292555
2026-09-13T03:00312255
2026-09-13T04:00301855
2026-09-13T05:00291954
2026-09-13T06:00271851
2026-09-13T07:00221848
2026-09-13T08:00211944
2026-09-13T09:00191842
2026-09-13T10:00191434
2026-09-13T11:00171431
2026-09-13T12:00141532
2026-09-13T13:001532

Forecasts

Air quality values and colors shown here correspond with the Air Quality Index (AQI). More information about AQI is available at the bottom of this webpage

Historical Data

To check “AQI Summary by Date”, click the link above which will direct you to EPA’s AirNow website. Select the “Archive” header on the new webpage. Then, use the calendar tool at the bottom of the webpage to select the historical date. On the left side of the screen, there are options to focus on specific pollutants using both the “Contours” and “Monitors” layers.

EPA AirNow Fire and Smoke Map

The EPA has launched a sensor data pilot project on the AirNow Fire and Smoke Map (opens in a new tab) that is designed to provide the public with additional information on levels of fine particle pollution in the air, particularly during wildfires. The Fire and Smoke Map displays air quality data from permanent monitors, temporary monitors, and low-cost sensors. The map uses the EPA’s Air Quality Index (AQI) rating system (see description below). 

For additional information on California wildfires, see outlooks and smoke reports posted on the California Smoke Information (opens in a new tab) website.

AQI Values ​​and Recommendations

Refer to the AQI table below to understand how to interpret the AQI colors shown in the table and forecast above. The Index numbers represent a classification of the pollutant, not a direct measurement of the pollutant itself. To view concentration values — which show the actual measured levels of the pollutant — please visit the “Station Data” webpage (currently available only in English). The Index below presents classifications for ozone, particulate matter with a diameter of less than 10 microns (PM10), and particulate matter with a diameter of less than 2.5 microns (PM2.5).

Note: All data are preliminary and subject to verification.

To view instances where standards were exceeded, please refer to “Days Exceeding Particulate and Ozone Standards” (currently available only in English).