Air Quality in Kansas City, Kansas — Live
Live readings from PurpleAir sensors across Kansas City, Kansas — with free alerts the moment the air changes, from the river-bottom industrial district to the county line.
AQI 16 from 4 PurpleAir sensors · Trending down · data from PurpleAir
As of , the air quality in Kansas City, Kansas is AQI 16 — Good and falling — with PM2.5 at 2.9 µg/m³, the median of 4 live PurpleAir sensors reading 8 to 20. 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 Kansas City: weeds pollen is the strongest of the three at a high 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 Kansas City and Bonner Springs, Edwardsville, Shawnee, Leavenworth. Every dot is a real sensor, color-coded by current air quality.
Sensor by sensor in Kansas City
The sensors Canairy reads in Kansas City agree right now — all 4 sit in the Good band, a 12-point spread — so the city-wide number is a fair description of the whole area today.
| From city center | AQI | Category |
|---|---|---|
| 2.5 mi WSW | 20 | Good |
| 3.3 mi S | 20 | Good |
| 6.0 mi SE | 8 | Good |
| 6.4 mi SSE | 12 | Good |
Most days, the air over Kansas City, Kansas is fine — Wyandotte County averaged an AQI of 46 in 2024, comfortably in the Good range, with no unhealthy or hazardous days on the books. What makes this city's story different from a lot of the metro isn't wildfire smoke; it's geography. Kansas City, Kansas sits right at the point where the Kansas and Missouri rivers meet, and the flat river-bottom land that made the confluence useful for industry a century ago is also where people live now. The GM Fairfax assembly plant, a major BNSF rail yard, and a cluster of scrapyards and warehouses all sit inside city neighborhoods like Armourdale and Argentine, not out past the suburbs — so for a lot of residents, the closest source of exhaust and dust is a few blocks away, not a monitor reading from across the metro.
What Canairy does for Kansas City
A clear verdict
Not just a number — a plain-English call for Kansas City: open the windows, or keep them shut.
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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.
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Home, work, the kids' school — across Kansas City or across the country, on one screen.
Kansas City, Kansas is a river-bottom industrial city
The Fairfax District was laid out in 1922 on the Goose Island bend of the Missouri River, believed to be one of the first planned industrial districts in the country. Today it covers roughly 2,000 acres, hosts more than 130 businesses, and is anchored by the General Motors Fairfax Assembly Plant, which builds the Chevrolet Malibu and Cadillac XT4 a few miles from Kaw Point, where the Kansas River meets the Missouri.
A few miles south and west, BNSF's Argentine Yard is the railroad's largest classification facility — 780 acres of sorting track processing more than 2,100 railcars a day. It sits inside the Argentine neighborhood, not off in a rail corridor away from houses, so the diesel switching and locomotive maintenance work that keeps freight moving through the metro happens close enough to smell from people's yards.
Armourdale organized against a new polluter in 2025
In 2025, the waste company Reworld proposed a materials-processing warehouse in Armourdale, a working-class, majority-Latino neighborhood already hemmed in by rail lines, scrapyards, and the Kansas River. Residents organized through RiSE for Environmental Justice, led by executive director Beto Lugo Martinez, packing public meetings, counting truck traffic themselves, and pointing out that the proposed site sat just blocks from an elementary school in a flood-prone stretch of the county.
The Unified Government's planning commission delayed a decision in August 2025 and asked Reworld to address the concerns; the company withdrew its application that November, citing changing business circumstances. CleanAirNow, a Kansas City environmental-justice group that has spent years tracking scrap-metal operations and truck traffic across Armourdale, Argentine, and Turner, points to fights like this one as the recurring pattern in a county where heavy industry and residential blocks sit on the same streets.
Summer ozone still reaches the Kansas side
Wyandotte County is part of the Kansas City, MO-KS ozone maintenance area, so its air gets judged by a region-wide standard, not just what happens inside the county line. The Mid-America Regional Council forecasts ozone from March through October and calls an Ozone Action Day on the hottest, stillest afternoons — one in 2025, on June 19, and two in 2024.
What's different on the Kansas side is what adds to those afternoons locally: diesel exhaust from the Argentine yard and truck traffic through the Fairfax District contribute nitrogen oxides on top of the metro's ordinary rush-hour traffic. Wyandotte County's own monitoring logged 17 days over an AQI of 100 in 2023, more than its calm annual average would suggest, which is part of why industrial neighborhoods here have pushed for their own accountability rather than letting one metro-wide number speak for their block.
Kansas City air quality FAQ
What is the air quality in Kansas City right now?
As of September 14, 2026 at 7:10 AM CDT, the air quality in Kansas City, Kansas is AQI 16 — Good — with PM2.5 at 2.9 µg/m³, the median of 4 live PurpleAir sensors. Open the windows. Great for outdoor activity.
Why do Armourdale and Argentine have worse air than the rest of Wyandotte County?
Both neighborhoods sit on the flat river-bottom land where Kansas City's industry has concentrated for a century — the GM Fairfax assembly plant, BNSF's Argentine rail yard, and a cluster of scrapyards and warehouses are all inside city limits rather than out in a business park. That puts diesel exhaust, truck traffic, and industrial emissions close to homes, which is why residents organized against a proposed Reworld waste-processing facility in Armourdale in 2025 and got the company to withdraw its permit application.
Does summer ozone reach Kansas City, Kansas too?
Yes. Wyandotte County is part of the Kansas City, MO-KS ozone maintenance area, and the Mid-America Regional Council forecasts ozone from March through October, calling an Ozone Action Day on the hottest, stillest afternoons. There was one in 2025 (June 19) and two in 2024. Diesel traffic from the Argentine rail yard and the Fairfax industrial district adds to the same nitrogen oxides that drive those days, on top of the metro-wide traffic that causes them everywhere else.
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 Kansas City, 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 Kansas City
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