    <SEC-DOCUMENT>0001193125-25-242498-index.html : 20251017
    <SEC-HEADER>0001193125-25-242498.hdr.sgml : 20251017
    <ACCEPTANCE-DATETIME>20251017160555
    ACCESSION NUMBER:		0001193125-25-242498
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20251017
    DATE AS OF CHANGE:		20251017

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK MUNICIPAL INCOME QUALITY TRUST
    		CENTRAL INDEX KEY:			0001181187
    		ORGANIZATION NAME:
    		EIN:				000000000
    		FISCAL YEAR END:			0831

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-21178
    		FILM NUMBER:		251400857

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		800-441-7762

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK INSURED MUNICIPAL INCOME TRUST
    		DATE OF NAME CHANGE:	20020904

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK MUNICIPAL INCOME TRUST III
    		DATE OF NAME CHANGE:	20020819
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d15896ddefa14a.htm
    <DESCRIPTION>BLACKROCK MUNICIPAL INCOME QUALITY TRUST BYM
    <TEXT>
    Document 1 - file: d15896ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g15896dsp002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g15896dsp002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g15896dsp003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g15896dsp003.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>