Lawton Real-Time AQI Tracker
Get Alerts For Unhealthy AQI In Your Area
When air quality in your area reaches unhealthy levels, we'll send you a quick alert, along with expert tips on how to reduce your exposure.
What's Actually In Lawton Air Today?
What High AQI Means for Your Lungs in Lawton
How to Read AQI
The Air Quality Index (AQI) measures how polluted the air is and how it may affect your health.
0–50 (Good): Air quality is satisfactory.
51–100 (Moderate): Acceptable, but some pollutants may pose minor concerns.
101–150 (Unhealthy for Sensitive Groups)
151–200 (Unhealthy)
201–300 (Very Unhealthy)
301+ (Hazardous)
Moderate
Still okay for most, but if you have asthma or allergies, take it easy and avoid long outdoor workouts.
Shop MERV 11 filters→What's the Right Filter for Your AQI Level?
Check Today's Live Real Time Air Quality Index AQI Map in Lawton, OK Now
TL;DR
The live AQI map on this page shows Lawton's air quality right now, from EPA AirNow and Oklahoma DEQ data. Ozone is usually the pollutant to watch, peaking on hot, still afternoons from March through November, while grass fire smoke causes occasional particle spikes. Since your HVAC filter decides what you breathe indoors, Filterbuy's rule for Lawton is simple: plan for ozone, filter for smoke.
Reading Lawton's Live AQI Map Right Now
Start with the map's color. Green and yellow mean normal plans, and orange or higher means sensitive groups should cut back outdoors. The map also names the pollutant behind the reading, which Filterbuy reads with one question: what happens once this air gets inside?
The official reading comes from the Oklahoma Department of Environmental Quality (DEQ) station in north Lawton, which measures ozone and PM2.5, the fine particles in smoke and exhaust.
That pollutant points to your next step:
Filterbuy's quick-read guide, based on EPA and DEQ guidance.
Key Takeaways
Ground-level ozone is Lawton's main air quality concern.
The American Lung Association's State of the Air 2026 report gave Comanche County an F for ozone (4 unhealthy days a year) and ranked Lawton-Duncan 66th worst of U.S. metros.
Grass fires in the Wichita Mountains and on Fort Sill ranges can push smoke into town.
EPA recommends a MERV 13 or higher filter in central HVAC during smoke events.
Filterbuy's action line is AQI 100, with a portable HEPA air cleaner in each occupied room.
Lawton AQI Levels Explained: What Each Color Asks of You
Filterbuy's AQI color chart explains each color, green to maroon. The U.S. AQI runs from 0 to 500 across six categories; match the map's color to a row below.
Categories and precautions per EPA AirNow guidance.
Filterbuy's action line is AQI 100. Orange starts at 101, so 100 is still Moderate, but Filterbuy acts at the threshold rather than after it. At 100:
Put a MERV 13 filter in your HVAC system.
Set the thermostat fan to On so the system filters continuously.
Run a portable HEPA air cleaner in each occupied room, bedrooms first. If you can buy only one, start with the bedroom.
Close up the house, and skip candles, frying and smoking indoors.
EPA's own guidance is a MERV 13 or higher filter in central HVAC during smoke events. The AQI 100 trigger and per-room cleaners are Filterbuy's additions.
When Lawton's AQI Doesn't Match What You See
If you see smoke but the map shows green or yellow, the monitor isn't broken. Current AQI is a NowCast, an average of recent hours that lags fast-moving smoke. Trust your eyes and check the AirNow Fire and Smoke Map.
Is the Air Quality Bad in Lawton Today?
It depends on the live map. Under 50, the air is good for everyone. Between 51 and 100, some people with asthma or COPD may notice symptoms during long exertion. Above 100, sensitive groups should limit time outdoors; above 150, everyone should. With a diagnosed condition, follow your doctor's plan.
Where to Find the Lawton Air Quality Forecast and Alerts
A DEQ meteorologist posts a daily Lawton forecast on the DEQ's air quality page. When high ozone is expected, the DEQ issues an Ozone Alert, which the Lawton Metropolitan Planning Organization (LMPO) announces as an Ozone Air Quality Action Alert Day. Open burning is then banned in Comanche and Cotton counties.
How Much of Lawton One Monitor Covers
That one DEQ station sets the citywide AQI. Particle levels can run higher near I-44, Cache Road or a fire, so enter your ZIP code (73501, 73505, 73507, or Fort Sill's 73503) in the map for an area estimate.
What Drives Lawton's Air: Ozone First, Particles Second
On most days, ground-level ozone is what sets Lawton's AQI. It forms when sunlight cooks exhaust, so Clean Air Lawton links unhealthy ozone days to hot, still, high-pressure weather.
Fine particulate (PM2.5) shows up less often, yet matters more indoors. Ozone breaks down quickly inside a closed house; PM2.5 slips in and lingers for hours, so removing it takes filtration.
Lawton's Air Quality Calendar: What Each Season Brings
Filterbuy's seasonal planner:
Sources: Clean Air Lawton, Oklahoma DEQ, FOX Weather, Insurance Journal.
How Lawton's Air Compares With Other Oklahoma Metros
The American Lung Association's State of the Air 2026 report ranked Lawton-Duncan 66th worst nationally for ozone, down from 100th. Tulsa ranked 20th and Oklahoma City 33rd. See Filterbuy's live Oklahoma air quality map.
Grass Fire and Wildfire Smoke Around Lawton
Lawton sits between two grasslands that burn: the Wichita Mountains Wildlife Refuge and the Fort Sill ranges. In October 2024, the Rush Fire burned more than 12,000 acres in the refuge, and Comanche County emergency managers warned residents south of the refuge to expect smoke.
When smoke moves in, check the AirNow Fire and Smoke Map and follow Comanche County and DEQ guidance first. Then use the AQI 100 action line above, plus these smoke habits:
Check the MERV 13 filter during the event. EPA advises replacing it when it looks dark brown or black, which can be well before the usual interval, and keeping spares.
Size each portable cleaner so its smoke CADR is at least two-thirds of the room's square footage, per EPA clean room guidance. A 300-square-foot bedroom needs a smoke CADR of about 200. Skip ionizers and ozone generators, since EPA advises against cleaners that produce ozone.
Pleated filters capture particles, not odors. For lingering smell, look at Filterbuy's Odor Eliminator line.
Skip hard outdoor exercise, since heavy breathing pulls particles deeper into the lungs.
Pro Tip: Photograph your filter's printed size now, so reordering is quick when smoke arrives.
Track plumes on Filterbuy's Oklahoma wildfire and smoke map and see CDC wildfire smoke guidance.
What a Lawton Ozone Alert Day Means for Your Plans
An Action Alert Day means the DEQ expects ozone to reach the orange range. If anyone in your household is in a sensitive group, the DEQ suggests keeping outdoor activity to the morning, when ozone is lower.
Clean Air Lawton asks residents to refuel after dark and combine errands. Filterbuy adds one habit: check your filter.
No Central Air? Apartments and Window Units
No ducts means no filter slot, and Filterbuy won't sell you a filter that can't fit. For you, portable HEPA air cleaners are the primary defense, not an add-on: one in each occupied room, bedrooms first, with windows shut during smoke. In summer heat, plan a cooler place to go, per EPA heat guidance.
Our Take: What Filterbuy Notices in Lawton's Numbers
Most air quality pages stop at the outdoor number. As a filter maker, Filterbuy reads Lawton's data through one rule: plan for ozone, filter for smoke.
Ozone is a timing problem. It's forecast a day ahead.
Smoke is a filtration problem. It arrives without warning, and only filtration pulls its particles from the air.
Readiness beats reaction. A filter ordered once smoke arrives comes too late.
Lawton gives you a day’s notice on ozone and almost none on grass fire smoke. Working alongside our factory team, I’ve learned the filter is the part of your plan you set before you need it. Keep a spare on the shelf.
Michelle Wan, Brand Manager and Air Quality Writer, Filterbuy
Matching Your Filter to Lawton's AQI
Filterbuy recommends a tier in your size, not a single "wildfire filter." We build MERV 8, MERV 11 and MERV 13 filters in U.S. factories, in more than 600 sizes plus custom sizes. Auto Delivery ships a fresh one free on your schedule, and our MERV rating guide helps you pick a tier.
EPA notes that most furnaces and HVAC systems can use MERV 13 without equipment problems if the filter is replaced often. Match the size printed on your current filter.
MERV 13 fits most home systems. Match the size printed on your current filter. During smoke, check it more often than usual and swap it when it looks dark.
David Clark, Licensed HVAC Technician
Supporting Statistics
539,146 Oklahoma kids breathe unhealthy air.
EPA: MERV 13–16 filters can cut indoor particles up to 95%.
Fan set to On: up to 24% fewer.
Portable high-efficiency air cleaners: up to 85% fewer.
12.5% of Oklahoma adults have been diagnosed with asthma.
U.S. rate: 10.9%. Oklahoma ranks 43rd.
Frequently Asked Questions
What Is the Air Quality in Lawton Today?
Check the live AQI map at the top of this page for the current reading and the pollutant behind it.
How Do I Check Lawton's PM2.5 Today?
Open the live map and look for the PM2.5 reading. The DEQ's north Lawton station measures it hourly.
What MERV Rating Do I Need for Wildfire Smoke in Lawton?
MERV 13. EPA recommends a MERV 13 or higher filter in central HVAC during smoke events. Filterbuy's action line for switching is AQI 100.
When Is Ozone Season in Lawton?
March through November, according to Clean Air Lawton. Ozone peaks on hot afternoons, so mornings are better for outdoor plans.
How Do I Get Lawton Air Quality Alerts?
Sign up for Filterbuy AQI alerts at the top of this page, or follow the DEQ's Ozone Alert page.
Glossary
AQI (Air Quality Index): The EPA's 0–500 air quality scale.
Ground-level ozone (O3): A lung irritant formed when sunlight reacts with exhaust; Lawton's main AQI driver.
PM2.5: Fine particles 2.5 micrometers or smaller, found in smoke and exhaust.
NowCast: The EPA method that turns recent hourly readings into a current AQI.
Oklahoma DEQ: Oklahoma's environmental agency, which monitors air and issues ozone alerts.
MERV: Minimum Efficiency Reporting Value, a 1–16 rating of how well an HVAC filter captures particles.
HEPA: High-Efficiency Particulate Air, the filter standard for portable air cleaners.
Filterbuy: A U.S. maker of pleated HVAC air filters in MERV 8, 11 and 13, sold direct with Auto Delivery.