Air Quality in North Las Vegas, Nevada — Live
Live readings from PurpleAir sensors across North Las Vegas — with free alerts when summer ozone or windblown dust turns the air unhealthy.
AQI 1 from 4 PurpleAir sensors · Trending down · data from PurpleAir
As of , the air quality in North Las Vegas, Nevada is AQI 1 — Good and falling — with PM2.5 at 0.1 µg/m³, the median of 4 live PurpleAir sensors reading 1 to 4. Canairy's verdict: Breathe easy.
For scale, that PM2.5 reading is below the World Health Organization's 24-hour guideline of 15 µg/m³. The WHO figure is a daily average and this is a live reading, so read it as a sense of magnitude rather than a formal exceedance — a brief spike and a bad day are not the same thing. More on the WHO guidelines
Pollen today in North Las Vegas: weeds pollen is the strongest of the three at a low level, from Google's pollen forecast. Canairy shows the tree, grass and weed forecast beside the air reading on every plan, including the free one.
Free to download · Live data from PurpleAir & public monitors
Live PurpleAir sensor map for North Las Vegas and Las Vegas, Henderson, Sunrise Manor, Aliante. Every dot is a real sensor, color-coded by current air quality.
Sensor by sensor in North Las Vegas
The sensors Canairy reads in North Las Vegas agree right now — all 4 sit in the Good band, a 3-point spread — so the city-wide number is a fair description of the whole area today.
| From city center | AQI | Category |
|---|---|---|
| 10.3 mi W | 1 | Good |
| 12.5 mi WSW | 4 | Good |
| 13.1 mi SSE | 1 | Good |
| 14.0 mi SW | 1 | Good |
North Las Vegas sits inside the Las Vegas Valley, a desert basin in the Mojave ringed by the Spring Mountains to the west and Sunrise Mountain to the east, and for most of the year the air here is genuinely unremarkable — dry, sunny, and low in particle pollution. The two real problems are tied to the calendar. Summer heat and traffic combine to form ozone faster than the valley's light winds can clear it, which is part of why federal regulators reclassified the area to serious nonattainment for ozone in January 2025. Then, from roughly mid-June through late September, monsoon thunderstorms can trigger haboobs — walls of wind-blown desert dust that can send the AQI from clear to hazardous in minutes.
What Canairy does for North Las Vegas
A clear verdict
Not just a number — a plain-English call for North Las Vegas: open the windows, or keep them shut.
Smoke alerts
A push or text the moment the air crosses your threshold — and again when it clears.
A heads-up before it's bad
Trend alerts catch the air turning, so you can close up the house before the smoke settles in.
Every place you care about
Home, work, the kids' school — across North Las Vegas or across the country, on one screen.
Why North Las Vegas's ozone problem keeps getting worse
The Las Vegas Valley is a roughly 600-square-mile basin, and the mountains that ring it — the Spring Mountains to the west, Sunrise Mountain to the east — do more than frame the scenery. They also block the kind of steady wind that would flush pollution out, so on hot, still summer days exhaust from the valley's freeways and surface streets cooks into ozone instead of blowing through. There's no heavy manufacturing base here to blame; Clark County's own air quality planning points to motor vehicle emissions as the dominant contributor.
That's shown up in the federal paperwork. The EPA first classified the Las Vegas Valley as marginal nonattainment for the 2015 ozone standard in June 2018. After the area missed that deadline, it was bumped to moderate nonattainment in January 2023, and after missing the moderate deadline too, it was reclassified again to serious nonattainment effective January 21, 2025, with a new attainment deadline of August 2027. Each step up means tighter rules for the county — and a clear signal that hot-weather ozone, not wildfire smoke, is the valley's main air quality fight.
Summer monsoons bring haboobs, not wildfire smoke
Unlike a lot of Western cities, North Las Vegas's worst air days rarely trace back to a fire burning nearby. Clark County's dust season runs from about mid-June through late September, when monsoon thunderstorms send outflow winds racing ahead of the storm and pick up loose desert soil across the valley floor. These haboobs have knocked out power lines, grounded flights, and dropped visibility to near zero on the valley's worst days, with local news outlets tracking them as a recurring summer hazard rather than a once-a-decade event.
The dust problem isn't only about summer storms, though. The valley's fine alluvial-fan soil turns to airborne PM10 easily whenever it's disturbed, which is why the region spent years working to fix a 1987-era federal nonattainment designation for particulate matter. The EPA didn't determine the valley had reached attainment until August 2010, and didn't approve Clark County's full redesignation and maintenance plan until October 2014, effective that November. The county filed a second PM10 maintenance plan in 2025 to keep proving the fix — built largely on dust-control permits that require builders to water and cover exposed dirt — is holding.
One valley number hides a lot of local variation
North Las Vegas covers more than 100 square miles, from the master-planned neighborhoods of Aliante and Craig Ranch in the north to the older, industrial blocks around Nellis Air Force Base in the southeast, plus the Apex industrial area near the city's northern edge, home to the country's largest landfill by area. Wind direction on any given day decides whether dust from Apex, ozone drifting up from the valley's freeway corridors, or neither actually reaches a particular neighborhood.
That's why Canairy reads the network of PurpleAir sensors scattered across North Las Vegas instead of relying on one valley-wide monitor. Set a threshold for your home or your kid's school, and you'll hear about it the moment the air there — not just the official valley average — crosses it.
North Las Vegas air quality FAQ
What is the air quality in North Las Vegas right now?
As of September 14, 2026 at 3:15 PM PDT, the air quality in North Las Vegas, Nevada is AQI 1 — Good — with PM2.5 at 0.1 µg/m³, the median of 4 live PurpleAir sensors. Open the windows. Great for outdoor activity.
Why does North Las Vegas get dusty in the summer?
From about mid-June through late September, monsoon thunderstorms can trigger haboobs — walls of wind-blown desert dust pushed ahead of the storm's outflow winds. The Las Vegas Valley's fine alluvial soil lifts easily once disturbed, which is also why the region spent decades working to fix a 1987 federal nonattainment designation for dust (PM10) before finally reaching a durable maintenance status in 2014.
Is North Las Vegas's ozone problem getting worse?
It's trending the wrong way on paper: the EPA classified the Las Vegas Valley as marginal nonattainment for ozone in 2018, moved it to moderate in 2023, and reclassified it again to serious nonattainment effective January 2025, with a new deadline of August 2027. The driver is summer heat combining with vehicle emissions in a basin that traps the air rather than heavy industry.
What the AQI numbers mean
| AQI | Category | What it means for you |
|---|---|---|
| 0–50 | Good | Open the windows. Great for outdoor activity. |
| 51–100 | Moderate | Sensitive groups may want to take it slower outside. |
| 101–150 | Unhealthy for Sensitive Groups | Kids, elderly, and respiratory conditions stay closer to home. |
| 151–200 | Unhealthy | Skip outdoor exercise. Close windows. |
| 201–300 | Very Unhealthy | Limit time outside. N95 if you must go. |
| 301+ | Hazardous | Health emergency. Stay inside, run filtration if you have it. |
Canairy lets you tighten these bands if you’re more sensitive than the EPA default, so an alert can fire before the official category changes. How to read the Air Quality Index
Where these readings come from
The AQI at the top of this page is the median of the 4 curated PurpleAir sensors Canairy tracks in and around North Las Vegas, with outliers set aside so that one sensor brought indoors — or parked beside a barbecue — cannot set the number for a whole city. Every sensor behind it is listed above with its distance and bearing from the city center. There is no black box here.
In the app, a place you save resolves the same way first. When no neighborhood sensor is reporting it falls back to the nearest EPA AirNow monitor, and anything modeled rather than measured is labelled a regional estimate rather than passed off as a sensor reading. How low-cost sensors compare to regulatory monitors
About Canairy
Canairy is free to download. The free plan covers one saved place with live readings, a plain-English verdict, and push alerts when the air crosses a threshold you choose. Paid plans add more places, faster refreshes, and SMS alerts. It is built by two parents in Sonoma County, California, who got tired of guessing whether it was safe to send the kids outside. Why we built it
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Air quality near North Las Vegas
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