    <SEC-DOCUMENT>0001193125-17-155454-index.html : 20170503
    <SEC-HEADER>0001193125-17-155454.hdr.sgml : 20170503
    <ACCEPTANCE-DATETIME>20170503112216
    ACCESSION NUMBER:		0001193125-17-155454
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20170228
    FILED AS OF DATE:		20170503
    DATE AS OF CHANGE:		20170503
    EFFECTIVENESS DATE:		20170503

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-21178
    		FILM NUMBER:		17807876

    	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>N-CSRS
    <SEQUENCE>1
    <FILENAME>d474213dncsrs.htm
    <DESCRIPTION>BLACKROCK MUNICIPAL INCOME QUALITY TRUST
    <TEXT>
    Document 1 - file: d474213dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d474213dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d474213dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d474213dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d474213dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g328586photo_01mips.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g328586photo_01mips.jpg

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    <SEQUENCE>5
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g328586sig_01mips.jpg

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    <SEQUENCE>6
    <FILENAME>g474213g27m20.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g474213g27m20.jpg

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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g474213g31n91.jpg

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    <SEQUENCE>8
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g474213g38l19.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>9
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g474213g51e43.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g474213g65b16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g474213g65b16.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g474213g72f30.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g474213g80a74.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g474213g80a74.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g474213g84w81.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g474213g84w81.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g474213g98u13.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g474213leaf.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g474213leaf.jpg

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    </SEC-DOCUMENT>