Company: NAZ
Filing Date: 2025-05-07
Form Type: N-CSRS
Source: 0001193125-25-114739
Chunk: 0

Company: NUVEEN ARIZONA QUALITY MUNICIPAL INCOME FUND
Filing Date: 2025-05-07
Form: N-CSRS
Chunk 0
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

### FORMN-CSR
CERTIFIED SHAREHOLDER REPORT OF REGISTERED

MANAGEMENT INVESTMENT COMPANIES

| Investment Company Act file number |     | 811-07278 |

Nuveen Arizona Quality Municipal Income Fund

(Exact name of registrant as
specified in charter)

Nuveen Investments

333 West Wacker Drive

Chicago,
Illinois 60606

(Address of
principal executive offices) (Zip code)

Mark L. Winget

Vice President and Secretary

333
West Wacker Drive

Chicago, Illinois 60606

(Name and address of agent
for service)

| Registrant’s telephone number, including area code: |     | (800) 257-8787 |

| Item 1. | Reports to Stockholders. |

Nuveen Municipal Closed-End Funds This semi-annual report contains the Funds’ unaudited financial statements.

| Nuveen Arizona                         
 Quality Municipal Income Fund          |     | NAZ |
| Nuveen California                      
 AMT-Free Quality Municipal Income Fund |     | NKX |
| Nuveen California                      
 Municipal Value Fund                   |     | NCA |
| Nuveen California                      
 Quality Municipal Income Fund          |     | NAC |
| Nuveen New Jersey                      
 Quality Municipal Income Fund          |     | NXJ |
| Nuveen New York                        
 AMT-Free Quality Municipal Income Fund |     | NRK |
| Nuveen New York                        
 Municipal Value Fund                   |     | NNY |
| Nuveen New York                        
 Quality Municipal Income Fund          |     | NAN |
| Nuveen Pennsylvania                    
 Quality Municipal Income Fund          |     | NQP |

Semi-Annual Report

Table of Contents

| Important Notices                                 |     |   3 |
| Common Share Information                          |     |   4 |
| About the Funds’ Benchmarks                       |     |   6 |
| Fund Performance, Leverage and Holdings Summaries |     |   7 |
| Portfolios of Investments                         |     |  26 |
| Statement of Assets and Liabilities               |     | 115 |
| Statement of Operations                           |     | 117 |
| Statement of Changes in Net Assets                |     | 119 |
| Statement of Cash Flows                           |     | 128 |
| Financial Highlights                              |     | 130 |
| Notes to Financial Statements                     |