    <SEC-DOCUMENT>0001193125-14-393408-index.html : 20141103
    <SEC-HEADER>0001193125-14-393408.hdr.sgml : 20141103
    <ACCEPTANCE-DATETIME>20141103121504
    ACCESSION NUMBER:		0001193125-14-393408
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20140831
    FILED AS OF DATE:		20141103
    DATE AS OF CHANGE:		20141103
    EFFECTIVENESS DATE:		20141103

    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-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-21178
    		FILM NUMBER:		141188535

    	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-CSR
    <SEQUENCE>1
    <FILENAME>d747021dncsr.htm
    <DESCRIPTION>BLACKROCK MUNICIPAL INCOME QUALITY TRUST
    <TEXT>
    Document 1 - file: d747021dncsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d747021dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d747021dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d747021dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d747021dex99906cert.htm

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    <DOCUMENT>
    <TYPE>EX-99.PROXYPOL
    <SEQUENCE>4
    <FILENAME>d747021dex99proxypol.htm
    <DESCRIPTION>PROXY VOTING POLICY
    <TEXT>
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    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>6
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g747016sig_01mips.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 7 - file: g747018snap1.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 8 - file: g747018snap4.jpg

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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    Document 11 - file: g747021g38l19.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g747021g51e43.jpg

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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    Document 15 - file: g747021g72f30.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g747021g80a74.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 17 - file: g747021g84w81.jpg

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    <SEQUENCE>18
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    <DESCRIPTION>GRAPHIC
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    Document 18 - file: g747021g98u13.jpg

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    <SEQUENCE>19
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g747021leaf.jpg

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