Express-News live maps and charts

Using automation and technology, we have been pulling important data points from verified, trusted sources and compiling them into easy-to-read trackers so that all Express-News readers have access to this crucial, timely information.

With so many helpful trackers, it’s easy to lose track of what they all are and how they can help you in your daily life. Here’s a handy list of all of the Express-News data trackers:

Power Outage Tracker 

Are the power outages I’m experiencing part of a larger issue?

Update frequency: every 15 minutes
Source: Utility companies across the state, scraped by PowerOutage.us
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Get a handle on power outages across the county and the state with the Power Outage Tracker.  In addition to informing you about which Texas counties have the highest number of homes without power, it also provides a 7-day look at power availability for all counties in the state.  

ERCOT Tracker

Should I be worried about the power grid right now?

Update frequency: every 5 – 15 minutes
Source: ERCOT
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The ERCOT Tracker helps you learn about some of the most important indicators of Texas power grid health and keep a finger on its pulse by following real-time updates about supply and demand, fuel mix and wholesale energy price.

Heat Tracker

Is it unusually hot out today?

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Update frequency: every 30 minutes
Source: National Weather Service
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The Heat Tracker shows localized, up-to-date temperature readings across Texas. By tracking current and historical temperature data, this tracker gives you an understanding of how much hotter or cooler today is compared to the past.

Flood Map and Tracker 

Is my area likely to see flooding?

Update frequency: Real time
Source: FloodFactor, RainViewer and the National Weather Service 
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The Flood Tracker provides real-time rain intensity updates in the San Antonio region, as well as long-term flood risk assessments for the state of Texas and live weather radar and storm surge threat.

Air Quality Tracker

How safe is the air outside today?

Update frequency: every 10 minutes
Source: National Weather Service
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The Air Quality Tracker shows you real-time fine-particulate matter concentrations in the air, a primary concern for people’s health at high levels. The tracker lets you know what readings look like in your local area and if those readings mean that being outside is unhealthy for some or all residents. 

Overdose Tracker

How bad is the opioid epidemic in my city?

Update frequency: Monthly
Source: Centers for Disease Control
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In an effort to better understand the emergence of drugs like fentanyl, which is exceedingly cheap, accessible and lethal, the Express-News developed this Overdose Tracker using county-level mortality data from the CDC. Use the tracker to compare Bexar County data on deaths by drug type and race to other national, state and other county rates.

Home Value Tracker

How is the current housing market affecting home values in my area?

Update frequency: Quarterly
Source: Zillow and Houston Association of Realtors
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The Home Value Tracker takes a look at typical home values in zip code and cities across the San Antonio metro area. Using current and historical data, you can compare values across different areas and track the rise and fall of values within your neighborhood.

Flight Delay Tracker

Which airlines flying out of San Antonio-area airports are the most dependable?

Update frequency: Live
Source: FlightAware
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The Flight Delay Tracker looks at millions of flights departing from San Antonio International, Austin-Bergstrom International and Dallas/Fort Worth International to see when flights have historically experienced the most cancellations and delays. You can also see real-time delay and cancellation rates for each area airport.

EV Road Trip Tracker

Can an electric vehicle get me where I’m trying to go?

Update frequency: Quarterly
Source: U.S. Department of Energy and Mapbox
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The EV Road Trip Tracker helps those thinking about making the switch to an electric vehicle figure out what models meet their budget and road trip needs. Pick an electric vehicle model, enter a starting point and a destination and see charging capabilities and timeframe estimates for your proposed trip. You can also compare the cost and travel time with a traditional, gas-powered vehicle.

Migration Tracker

There are so many new people in my neighborhood, where are they all coming from?

Update frequency: Annual
Source: IRS
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The Migration Tracker helps you understand residential migration in and out of your county and all counties across the nation. Because the data comes from American tax filing records provided by the IRS, the tracker also helps you understand the wealth that is entering and leaving each county.