-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KTW7RdYgmH3JDO1a0VAbm0JOQKYG0m4QLkMQyHiXLl9KBg8GqrEXvGssk8bfLxMR
 +k7uvHqSkEbT7wrSnEV/3w==

<SEC-DOCUMENT>0001019687-10-000723.txt : 20100219
<SEC-HEADER>0001019687-10-000723.hdr.sgml : 20100219
<ACCEPTANCE-DATETIME>20100219212507
ACCESSION NUMBER:		0001019687-10-000723
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090115
FILED AS OF DATE:		20100219
DATE AS OF CHANGE:		20100219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Balogh Stephen A
		CENTRAL INDEX KEY:			0001391125

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12497
		FILM NUMBER:		10620959

	MAIL ADDRESS:	
		STREET 1:		204 EDISON WAY
		CITY:			RENO
		STATE:			NV
		ZIP:			89502

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALTAIR NANOTECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001016546
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				870372759
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		204 EDISON WAY
		STREET 2:		N/A
		CITY:			RENO
		STATE:			NV
		ZIP:			89502
		BUSINESS PHONE:		(775) 858-3744

	MAIL ADDRESS:	
		STREET 1:		204 EDISON WAY
		STREET 2:		N/A
		CITY:			RENO
		STATE:			NV
		ZIP:			89502

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALTAIR INTERNATIONAL INC
		DATE OF NAME CHANGE:	19970529

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALTAIR INTERNATIONAL GOLD INC
		DATE OF NAME CHANGE:	19960611
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2009-01-15</periodOfReport>

    <dateOfOriginalSubmission>2009-01-28</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001016546</issuerCik>
        <issuerName>ALTAIR NANOTECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>ALTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001391125</rptOwnerCik>
            <rptOwnerName>Balogh Stephen A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>204 EDISON WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RENO</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89502</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President Human Resources</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.22</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-01-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.22</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2019-01-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25,000 options vest on 1/15/2010, 25,000 options vest on 1/15/2011, 25,000 options vest on 1/15/2012 and 25,000 options vest on 1/15/2013.</footnote>
        <footnote id="F2">As per governing rules, outstanding number of derivative securities includes only options with terms identical to those of this option.</footnote>
    </footnotes>

    <remarks>Option exercise price was originally miscalculated at $1.21 per share.</remarks>

    <ownerSignature>
        <signatureName>/s/ Stephen A Balogh</signatureName>
        <signatureDate>2010-02-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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