New York, NY 47° Los Angeles, CA 76° Chicago, IL 47° Houston, TX 56° Miami, FL 79° Phoenix, AZ 72° Seattle, WA 46° Denver, CO 55° Toronto, ON 45° Vancouver, BC 50°
WeatherLive › California › Chula Vista › Air Quality

Chula Vista, CA Air Quality

← Chula Vista

Air quality in Chula Vista

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
42
Good
PM2.5
10.1 µg/m³
WHO guideline 15
PM10
15.3 µg/m³
WHO guideline 45
NO₂ · O₃
19 · 29
µg/m³

Hour by hour (12h)

US EPA AQI
9:00 AM 💨 PM2.5 10.1 µg/m³
42Good
10:00 AM 💨 PM2.5 10.2 µg/m³
43Good
11:00 AM 💨 PM2.5 9.1 µg/m³
38Good
12:00 PM 💨 PM2.5 10.1 µg/m³
42Good
1:00 PM 💨 PM2.5 11.1 µg/m³
46Good
2:00 PM 💨 PM2.5 12.6 µg/m³
52Moderate
3:00 PM 💨 PM2.5 16.4 µg/m³
60Moderate
4:00 PM 💨 PM2.5 22.6 µg/m³
73Moderate
5:00 PM 💨 PM2.5 30.3 µg/m³
89Moderate
6:00 PM 💨 PM2.5 37.4 µg/m³
106Unhealthy for Sensitive Groups
7:00 PM 💨 PM2.5 43.2 µg/m³
120Unhealthy for Sensitive Groups
8:00 PM 💨 PM2.5 48.2 µg/m³
132Unhealthy for Sensitive Groups

Next few days

daily max · US EPA AQI
Sun 💨 Unhealthy for Sensitive Groups · UV High
141
Mon 💨 Unhealthy for Sensitive Groups · UV Moderate
137
Tue 💨 Unhealthy for Sensitive Groups · UV Moderate
117
Wed 💨 Moderate · UV Moderate
79
Thu 💨 Moderate · UV High
67

Weather map — Chula Vista

Chula Vista →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:57 AM