EXHIBIT 31.1



CERTIFICATION OF PRINCIPAL EXECUTIVE
OFFICER

PURSUANT TO SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002



I, Ami Sivan, certify that:



1. I have reviewed this annual report on Form 10-K of Pimi Agro
CleanTech, Inc.;



2. Based on my knowledge, this annual report does not contain
any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;



3. Based on my knowledge, the financial statements, and other
financial information included in this annual report, fairly present in all material respects the financial condition, results
of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;



4. The registrant’s other certifying officer and I are
responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) and internal controls over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant
and have:

| | a) | designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared;
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| | b) | designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
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| | c) | evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;
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| | d) | disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting;
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5. The registrant’s other certifying officer and I have
disclosed, based on our most recent evaluation, to the registrant’s auditors and the audit committee of the registrant’s
board of directors (or persons performing the equivalent function):

| | a) | all significant deficiencies in the design or operation of internal controls which could adversely affect the registrant’s
ability to record, process, summarize and report financial data and have identified for the registrant’s auditors any material
weaknesses in internal controls; and
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| | b) | ny fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s
internal controls over financial reporting.
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|April 7, 2013 | By: | /s/ Ami Sivan          
|------------- | --- | -----------------------
|              |     | Ami Sivan              
|              |     | Chief Executive Officer