What is the maximum effective range for current and future telescopes (like JWST or the Habitable Worlds Observatory) to detect "passive" technosignatures, specifically industrial atmospheric pollutants like CFCs or satellites orbiting the exoplanets?

What is the maximum effective range for current and future telescopes (like JWST or the Habitable Worlds Observatory) to detect "passive" technosignatures, specifically industrial atmospheric pollutants like CFCs or satellites orbiting the exoplanets?