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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
2026-08-17T06:00251456
2026-08-17T07:00201357
2026-08-17T08:00211854
2026-08-17T09:00211653
2026-08-17T10:00211756
2026-08-17T11:00211654
2026-08-17T12:00221554
2026-08-17T13:00221655
2026-08-17T14:00221957
2026-08-17T15:00221957
2026-08-17T16:00212363
2026-08-17T17:00212456
2026-08-17T18:00232852
2026-08-17T19:00242857
2026-08-17T20:00253057
2026-08-17T21:00253054
2026-08-17T22:00262852
2026-08-17T23:00263652
2026-08-18T00:00263051
2026-08-18T01:00263158
2026-08-18T02:00262458
2026-08-18T03:00262163
2026-08-18T04:00242260
2026-08-18T05:00222063
2026-08-18T06:00231854
2026-08-18T07:00231560
2026-08-18T08:00241658
2026-08-18T09:00221761
2026-08-18T10:00221765
2026-08-18T11:00221963
2026-08-18T12:00222564
2026-08-18T13:00202359
2026-08-18T14:00202357
2026-08-18T15:00212257
2026-08-18T16:00212657
2026-08-18T17:00242656
2026-08-18T18:00252752
2026-08-18T19:00252647
2026-08-18T20:00253648
2026-08-18T21:00263746
2026-08-18T22:00273437
2026-08-18T23:00284035
2026-08-19T00:00273237
2026-08-19T01:00273054
2026-08-19T02:00281954
2026-08-19T03:00271857
2026-08-19T04:00261854
2026-08-19T05:00261854

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).