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As I pointed out, sunlight contains all those same electromagnetic frequencies, and at much stronger levels. The difference is that sunight is much more broad-spectrum, and is not modulated. Even your body emits electromagnetic radiation (which is visible as a bright light in thermal vision cameras such as you see on TV cop shows).
Automobiles emit a ton of EMI, as do electric motors, lawnmowers, radios and TVs (the local oscillator circuit), switching power supplies (used everywhere these days), fluorescent lights, and just about anything electrical or electronic.
But yeah, sunlight beats them all in the broad-spectrum electromagnetic energy it bathes you with if you keep your window curtains open, or worse, go outside. All our tech toys are insignificant compared to sunlight...
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