New York, NY 59° Los Angeles, CA 81° Chicago, IL 63° Houston, TX 79° Miami, FL 82° Phoenix, AZ 92° Seattle, WA 55° Denver, CO 69° Toronto, ON 54° Vancouver, BC 57°
WeatherLive › Illinois › Naperville › Air Quality

Naperville, IL Air Quality

← Naperville

Air quality in Naperville

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA
20
Good
PM2.5
4.7 µg/m³
WHO guideline 15
PM10
4.7 µg/m³
WHO guideline 45
NO₂ · O₃
13 · 43
µg/m³

Hour by hour (12h)

US EPA AQI
3:00 AM 💨 PM2.5 4.7 µg/m³
20Good
4:00 AM 💨 PM2.5 4 µg/m³
20Good
5:00 AM 💨 PM2.5 3.5 µg/m³
18Good
6:00 AM 💨 PM2.5 3.5 µg/m³
16Good
7:00 AM 💨 PM2.5 4.1 µg/m³
17Good
8:00 AM 💨 PM2.5 5.6 µg/m³
23Good
9:00 AM 💨 PM2.5 6.4 µg/m³
27Good
10:00 AM 💨 PM2.5 5.7 µg/m³
24Good
11:00 AM 💨 PM2.5 4.5 µg/m³
24Good
12:00 PM 💨 PM2.5 2.8 µg/m³
30Good
1:00 PM 💨 PM2.5 2.6 µg/m³
35Good
2:00 PM 💨 PM2.5 2.7 µg/m³
39Good

Next few days

daily max · US EPA AQI
Thu 💨 Moderate · UV Moderate
68
Fri 💨 Moderate · UV Moderate
74
Sat 💨 Moderate · UV Moderate
73
Sun 💨 Moderate · UV Moderate
93
Mon 💨 Moderate · UV High
88

Weather map — Naperville

Naperville →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 3:38 AM