Air quality in Mohave County, AZ

Includes Lake Havasu City and Kingman · EPA monitor readings, 2021 to 2025 (fine particles only) · 213,000 people

Clean most daysOnly particles are measured
Bad-air days a year
<1
day with an AQI over 100

4 bad-air days in 5 years of readings, 2021 to 2025. Mohave County has the 4th fewest bad-air days of the 13 Arizona counties with monitors.

<1day unhealthy for everyoneAQI over 150, a year
17AQI on a typical dayGood: fine for everyone
6bad-air days since 2016Too few to show a season
331worst day since 2016Sep 2, 2025, dust
How to read the AQIThe EPA's air score runs from 0 to 500. Higher is worse. Over 100 counts as a bad-air day.
Typical day 17 (Good)Worst day 331 (Hazardous)
Good0 to 50Moderate51 to 100Sensitive groups101 to 150Unhealthy151 to 200Very unhealthy201 to 300Hazardous301 to 500

Bad-air days by month in Mohave County

Bad air is rare here: 6 bad-air days in 10 years of daily readings since 2016, too few to show a season. Each tile is the average for that month.

Jan0
Feb0
Mar0
Apr0
May0.1
Jun0
Jul0.2
Aug0
Sep0.3
Oct0
Nov0
Dec0

The worst day since 2016 was September 2, 2025: AQI 331, from dust and coarse particles.

What causes it

Fine particles are the only pollutant measured here. The 6 bad-air days since 2016 were 5 dust days (in September 2020, July 2021, May 2022 and September 2025) and 1 fine-particle day (on July 31, 2018). Monitors here don't measure ozone, so smog days aren't in these counts.

CDC's model estimates about 0.8 days a year with high ozone at the county's worst spot, 2018 to 2022. See the estimates on the map

CDC estimates by month, 2001 to 2022

The CDC's model counts bad-air days at the county's worst spot, from monitors and satellites. Particles (brown) fill the inside of the ring and ozone (blue) the outside.

JFMarch: 0.0 ozone days a yearMApril: 0.5 ozone days a yearAMay: 2.5 ozone days a yearMJune: 4.0 ozone days a yearJJuly: 0.0 smoky days a yearJuly: 0.9 ozone days a yearJAugust: 0.5 ozone days a yearASeptember: 0.1 ozone days a yearSONDbad daysby month
See the numbers by month
CDC estimated bad-air days a year in each month in Mohave County, 2001 to 2022
MonthFine particlesOzone
January00
February00
March00
April00.5
May02.5
June04.0
July00.9
August00.5
September00.1
October00
November00
December00

What helps in Mohave County

The air here is clean most days: 6 bad-air days in 10 years of daily readings. Wildfire smoke can still drift in from far away, so it's worth being ready.

Check tomorrow's forecast

AirNow posts an air quality forecast by ZIP code, usually the day before.

AirNow →

Keep a cheap backup

A box fan with a MERV 13 filter clamped to it cleans a room in a pinch.

Build one →

Keep one room clean on smoky days

Shut the windows and run an air purifier sized for the room.

Choosing a purifier →

For today's reading and tomorrow's forecast, check AirNow by ZIP code. Its fire and smoke map adds smoke plumes.

Smoky days are rare here, so a purifier is optional. If you want one for wildfire season anyway, see the 3 models we'd buy, each with a verified smoke rating.

Every year since 2012

Bad-air days each year. The striped part is days unhealthy for everyone, over AQI 150. The worst recent year was 2025, with 2 bad-air days.

012345201220152020202520123452012202020252
Unhealthy for sensitive groups (101 to 150)Unhealthy or worse (over 150)
See the numbers by year
Bad-air days each year in Mohave County
YearBad-air daysOver 150
201210
201310
201400
201500
201600
201700
201810
201900
202010
202111
202210
202300
202400
202522

Mohave County and its neighbors

Bad-air days a year, 2021 to 2025. Arizona counties with monitors averaged about 67 bad-air days a year, weighted by population.

Questions people ask about air in Mohave County

How often is the air bad in Mohave County?

From 2021 to 2025, monitors in Mohave County recorded about 1 bad-air day a year with an AQI above 100, which is unhealthy for sensitive groups or worse. The worst year in that stretch was 2025, with 2 bad-air days.

What causes bad air in Mohave County?

The 6 bad-air days since 2016 were 5 dust days (in September 2020, July 2021, May 2022 and September 2025) and 1 fine-particle day (on July 31, 2018). Monitors here don't measure ozone, so smog days aren't in these counts.

Where can I see today's air quality in Mohave County?

AirNow, run by the EPA and its partners, shows the current AQI and tomorrow's forecast for your ZIP code. Its fire and smoke map adds smoke plumes. On a typical day the AQI in Mohave County is about 17, which is good, fine for everyone. Bad days are rare here, so check it when wildfire smoke is in the news.

About these numbers

Day counts come from the EPA's county air quality summaries, which take the worst reading across a county's monitors each day. Monitors here reported on about 355 days a year from 2021 to 2025. A county is large, and your street can be cleaner or worse. CDC's model, which estimates every county from monitors and satellites, gives the worst spot in Mohave County almost no high-particle days and about 1 high-ozone day a year from 2018 to 2022.

Sources: EPA AirData county AQI summaries (2000 to 2025) and daily county AQI (2016 to 2025); CDC Environmental Public Health Tracking Network modeled PM2.5 and ozone (2001 to 2022). Updated November 8, 2026.