WTS – What’s That Smell

Ever wonder what that smell is? Map the odor sources, refineries, and EPA hazard sites around you — then report the source yourself. Know what's in your air.

What’s That Smell? helps you quickly understand what industrial, agricultural, and environmental sources are around you. Search any city, explore nearby facilities and EPA-listed contaminated sites, check wind direction, and log the smells you notice—all in one intuitive app.

Whether you’re exploring new neighborhoods, traveling through unfamiliar areas, house-hunting, or simply curious about your surroundings, What’s That Smell? makes it easy to discover what’s in the air—and the ground—and where it may be coming from.

With a fast interface, clean map layout, and powerful data behind the scenes, the app provides a clear view of environmental conditions around you. It’s built for everyday users, homeowners, travelers, and anyone who wants a better understanding of the world around them.

Key Features

Search Any City or Location • Instantly search any place in the United States to see nearby smell-related sources, including industrial sites, farms, wastewater facilities, landfills, and more. Perfect for trip planning, home buying, or environmental curiosity.

Interactive Environmental Map • Zoom in or out to explore local facilities, filter by category, and discover what types of operations exist around a chosen location.

EPA Superfund & Brownfield Sites • See officially listed contaminated-land records near any location—straight from public EPA data. Separate from smells, so you know what’s in the ground, not just the air.

Live Wind Direction & Speed • See where the wind is blowing in real time. This helps you understand whether a nearby source might be responsible for what you’re smelling.

Current Location or Manual Search • Use your real-time GPS location or manually enter any address or city to use it as the epicenter for your search.

Category Filters

Toggle between facility types like: • Rendering & Meat Processing • Waste & Landfill • Paper Mills • Refineries & Asphalt • Wastewater • Farms & CAFOs • Breweries and Distilleries • Seafood, Tannery, Food Processing, Heavy Industry, and more Choose one category or combine multiple for a clearer understanding of your surroundings.

Facility Details

• Tap any map marker to see: • Facility name • Type and category • Address • Environmental program indicators • Local data that helps you understand potential smell sources

Report Your Own Smells Log what you’re experiencing with a single tap. Reports are anonymous—no account, no name, no email—and help build a clearer picture of what’s around you.

User Emissions & Notes Record emissions you observe (like crop dusters or smoke) and keep notes for your own reference.

Share Your Scan Turn any search into a shareable image—the map, the facilities nearby, and your own reports.

Simple and Private No ads. No subscriptions. No account required. We don’t track you across apps or sell data that identifies you. See our privacy policy for exactly what’s collected and how to request deletion.

Who Is This App For?

• Homebuyers researching new neighborhoods • Travelers exploring unfamiliar areas • Curious locals noticing a strange smell • Environmental hobbyists • Anyone wanting quick context about what’s nearby

What’s That Smell? gives you the clarity to understand what’s around you—anytime, anywhere.

Why People Love It • No account required • No ads • No subscriptions • Fast, clean, and easy to use • Built around real, publicly available environmental data • Simple, fast, and informative — built for everyday users, homeowners, and curious locals.