Frequent Unventilated Bleach

Regular bleach use in closed rooms.

57Moderate burden · out of 100

Cleaner swapVentilate; use only when needed; never mix

How this score is built

What each input rests on

The three ratings behind the score, and the studies each rests on
Input	Rating	Evidence
Chemical hazard	5/10	unsourced input
Everyday exposure	5/10	Among 50 women cleaning their own homes, use of conventional bleach products, disinfecting wipes and dish soap was associated with higher breathing-zone concentrations of several VOCs, including chloroform, carbon tetrachloride and 1,4-dioxane, than non-use. Air concentrations of volatile organic compounds associated with conventional and "green" cleaning products in real-world and laboratory settings · Indoor Air 2022 DOI 10.1111/ina.13162 · PMID 36437676 · Abstract · read 2026-10-12
Persistence	1/10	unsourced input

Ratings are editorial. A study listed here supports the rating; it did not compute it. How the index is built

What this means for you

Bleach fumes irritate airways and form dangerous gases if mixed with ammonia or acids. Reserve it for real disinfection and open windows.

Evidence strength: moderate

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