New York, NY 4° Los Angeles, CA 17° Chicago, IL 3° Houston, TX 17° Miami, FL 19° Phoenix, AZ 16° Seattle, WA 11° Denver, CO 9° Toronto, ON 2° Vancouver, BC 11°
WeatherLive › Ontario › Newmarket › Air Quality

Newmarket, ON Air Quality

← Newmarket

Air quality in Newmarket

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
2.4 µg/m³
WHO guideline 15
PM10
2.5 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 43
µg/m³

Hour by hour (12h)

US EPA AQI
12:00 AM 💨 PM2.5 2.4 µg/m³
20Good
1:00 AM 💨 PM2.5 1.9 µg/m³
21Good
2:00 AM 💨 PM2.5 1.6 µg/m³
21Good
3:00 AM 💨 PM2.5 1.3 µg/m³
21Good
4:00 AM 💨 PM2.5 1 µg/m³
20Good
5:00 AM 💨 PM2.5 0.9 µg/m³
20Good
6:00 AM 💨 PM2.5 0.9 µg/m³
19Good
7:00 AM 💨 PM2.5 1.3 µg/m³
19Good
8:00 AM 💨 PM2.5 1.6 µg/m³
20Good
9:00 AM 💨 PM2.5 1.4 µg/m³
21Good
10:00 AM 💨 PM2.5 1.1 µg/m³
23Good
11:00 AM 💨 PM2.5 0.7 µg/m³
26Good

Next few days

daily max · US EPA AQI
Fri 💨 Good · UV Low
31
Sat 💨 Good · UV Low
32
Sun 💨 Good · UV Low
33
Mon 💨 Good · UV Low
33
Tue 💨 Moderate · UV Low
58

Weather map — Newmarket

Newmarket →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 12:25 AM