Today | Weather | Tuesday, September 22, 2026

Active Weather Warnings

Air Quality Alert

Weather in Plano, Texas

07:03 PM

Now

90° F

Feels Like 90°

Precipitation 0 %

Wind 9 mph

UV Index (0 - 11+) 0

Humidity 45 %

Today

Day 97°

Night 73°

Precipitation 4 %

Wind 6 mph

UV Index (0 - 11+) 7

Plano Weather Forecast Updated

Last updated on September 22, 2026 at 5:56 PM

Weather Forecast History

Last Year's Weather on This Day (September 22, 2025)

Day

93°

Night

75°

Wind

10 mph

Precipitation

4 %

Air Quality in Plano

NOW

49 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 5.01 µg/m³

PM₁₀ 6.2 µg/m³

O₃ 0.053 ppm

NO₂ 1.3 ppb

SO₂ 0.2 ppb

CO 0.11 ppm

NH₃ 0.57 µg/m³

NO 0.04 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 5.01 µg/m³

PM₁₀ – 6.2 µg/m³

O₃ – 104.06 µg/m³

NO₂ – 2.5 µg/m³

SO₂ – 0.53 µg/m³

CO – 123.71 µg/m³

NH₃ – 0.57 µg/m³

NO – 0.04 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Plano

Air Quality Alert

Air Quality Alert issued September 22 at 2:48PM CDT by NWS Fort Worth TX

Sep 22, 2:48 PM → Sep 23, 6:00 PM

AQAFWD

The Texas Commission on Environmental Quality (TCEQ) has issued
an Ozone Action Day for the Dallas-Fort Worth area for Wednesday,
September 23, 2026.

Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Dallas-Fort Worth area
on Wednesday. You can help prevent ozone pollution by sharing a
ride, walking, riding a bicycle, taking your lunch to work,
avoiding drive-through lanes, conserving energy, and keeping your
vehicle properly tuned.

For more information on ozone:

Ozone: The Facts (www.tceq.texas.gov/goto/ozonefacts)

Air North Texas: (www.airnorthtexas.org)

EPA Air Now
(www.airnow.gov/index.cfm?action.local_state&STATEID=45&TAB=0)

Take care of Texas (www.takecareoftexas.org)

North Central Texas Council of Governments Air Quality
(www.nctcog.org/trans/air/index.asp)

Updated: Sep 22, 5:56 PM Source: NWS Alert