🌫️ Air Quality Index

114 Average AQI

30 Cities Monitored

17-197 AQI Range

Air Quality Levels

4 Good (0-50)

11 Moderate (51-100)

5 Unhealthy for Sensitive (101-150)

10 Unhealthy (151-200)

0 Very Unhealthy (201-300)

0 Hazardous (301+)

Los Angeles, CA

193

Unhealthy

PM2.5 19 µg/m³

PM10 46 µg/m³

O3 79 ppb

NO2 50 ppb

Updated: 4:24:16 AM

New York, NY

189

Unhealthy

PM2.5 36 µg/m³

PM10 47 µg/m³

O3 105 ppb

NO2 61 ppb

Updated: 4:24:17 AM

Chicago, IL

Moderate

PM2.5 9 µg/m³

PM10 18 µg/m³

O3 94 ppb

NO2 41 ppb

Updated: 4:24:17 AM

Houston, TX

Good

PM2.5 5 µg/m³

PM10 80 µg/m³

O3 70 ppb

NO2 64 ppb

Updated: 4:24:17 AM

Phoenix, AZ

148

Unhealthy for Sensitive Groups

PM2.5 47 µg/m³

PM10 12 µg/m³

O3 95 ppb

NO2 13 ppb

Updated: 4:24:17 AM

Philadelphia, PA

Moderate

PM2.5 50 µg/m³

PM10 64 µg/m³

O3 90 ppb

NO2 15 ppb

Updated: 4:24:17 AM

San Antonio, TX

195

Unhealthy

PM2.5 32 µg/m³

PM10 78 µg/m³

O3 64 ppb

NO2 25 ppb

Updated: 4:24:17 AM

San Diego, CA

Moderate

PM2.5 12 µg/m³

PM10 26 µg/m³

O3 59 ppb

NO2 57 ppb

Updated: 4:24:17 AM

Dallas, TX

197

Unhealthy

PM2.5 28 µg/m³

PM10 57 µg/m³

O3 24 ppb

NO2 17 ppb

Updated: 4:24:17 AM

San Jose, CA

Moderate

PM2.5 11 µg/m³

PM10 12 µg/m³

O3 105 ppb

NO2 55 ppb

Updated: 4:24:17 AM

Austin, TX

184

Unhealthy

PM2.5 20 µg/m³

PM10 56 µg/m³

O3 92 ppb

NO2 13 ppb

Updated: 4:24:17 AM

Jacksonville, FL

179

Unhealthy

PM2.5 11 µg/m³

PM10 64 µg/m³

O3 81 ppb

NO2 66 ppb

Updated: 4:24:18 AM

Fort Worth, TX

187

Unhealthy

PM2.5 14 µg/m³

PM10 23 µg/m³

O3 97 ppb

NO2 32 ppb

Updated: 4:24:18 AM

Columbus, OH

129

Unhealthy for Sensitive Groups

PM2.5 44 µg/m³

PM10 28 µg/m³

O3 118 ppb

NO2 69 ppb

Updated: 4:24:18 AM

Indianapolis, IN

195

Unhealthy

PM2.5 8 µg/m³

PM10 42 µg/m³

O3 86 ppb

NO2 68 ppb

Updated: 4:24:18 AM

Charlotte, NC

106

Unhealthy for Sensitive Groups

PM2.5 41 µg/m³

PM10 61 µg/m³

O3 93 ppb

NO2 10 ppb

Updated: 4:24:18 AM

San Francisco, CA

Good

PM2.5 12 µg/m³

PM10 12 µg/m³

O3 88 ppb

NO2 17 ppb

Updated: 4:24:18 AM

Seattle, WA

Moderate

PM2.5 36 µg/m³

PM10 53 µg/m³

O3 106 ppb

NO2 10 ppb

Updated: 4:24:18 AM

Denver, CO

Moderate

PM2.5 44 µg/m³

PM10 71 µg/m³

O3 102 ppb

NO2 45 ppb

Updated: 4:24:18 AM

Boston, MA

104

Unhealthy for Sensitive Groups

PM2.5 51 µg/m³

PM10 57 µg/m³

O3 39 ppb

NO2 21 ppb

Updated: 4:24:18 AM

Washington, DC

Moderate

PM2.5 52 µg/m³

PM10 66 µg/m³

O3 86 ppb

NO2 36 ppb

Updated: 4:24:18 AM

Nashville, TN

160

Unhealthy

PM2.5 40 µg/m³

PM10 23 µg/m³

O3 49 ppb

NO2 62 ppb

Updated: 4:24:19 AM

El Paso, TX

Moderate

PM2.5 43 µg/m³

PM10 32 µg/m³

O3 79 ppb

NO2 41 ppb

Updated: 4:24:19 AM

Detroit, MI

151

Unhealthy

PM2.5 5 µg/m³

PM10 38 µg/m³

O3 58 ppb

NO2 12 ppb

Updated: 4:24:19 AM

Portland, OR

Good

PM2.5 11 µg/m³

PM10 34 µg/m³

O3 48 ppb

NO2 44 ppb

Updated: 4:24:19 AM

Memphis, TN

134

Unhealthy for Sensitive Groups

PM2.5 32 µg/m³

PM10 32 µg/m³

O3 71 ppb

NO2 24 ppb

Updated: 4:24:19 AM

Louisville, KY

Good

PM2.5 22 µg/m³

PM10 55 µg/m³

O3 56 ppb

NO2 51 ppb

Updated: 4:24:19 AM

Baltimore, MD

Moderate

PM2.5 30 µg/m³

PM10 18 µg/m³

O3 53 ppb

NO2 50 ppb

Updated: 4:24:19 AM

Milwaukee, WI

Moderate

PM2.5 45 µg/m³

PM10 74 µg/m³

O3 75 ppb

NO2 35 ppb

Updated: 4:24:19 AM

Albuquerque, NM

Moderate

PM2.5 53 µg/m³

PM10 25 µg/m³

O3 66 ppb

NO2 55 ppb

Updated: 4:24:19 AM

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Data updated: 10/8/2025, 4:24:19 AM

Source: EPA AirNow API simulation for demonstration purposes