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Vista, CA Air Quality

← Vista

Air quality in 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
65
Moderate
PM2.5
18.9 µg/m³
WHO guideline 15
PM10
19.8 µg/m³
WHO guideline 45
NO₂ · O₃
24 · 17
µg/m³

Hour by hour (12h)

US EPA AQI
6:00 AM 💨 PM2.5 18.9 µg/m³
65Moderate
7:00 AM 💨 PM2.5 18.2 µg/m³
64Moderate
8:00 AM 💨 PM2.5 17.2 µg/m³
62Moderate
9:00 AM 💨 PM2.5 16.5 µg/m³
60Moderate
10:00 AM 💨 PM2.5 16.5 µg/m³
60Moderate
11:00 AM 💨 PM2.5 16.4 µg/m³
93Moderate
12:00 PM 💨 PM2.5 19.1 µg/m³
104Unhealthy for Sensitive Groups
1:00 PM 💨 PM2.5 24.3 µg/m³
99Moderate
2:00 PM 💨 PM2.5 28.9 µg/m³
96Moderate
3:00 PM 💨 PM2.5 31.3 µg/m³
93Moderate
4:00 PM 💨 PM2.5 32.2 µg/m³
93Moderate
5:00 PM 💨 PM2.5 33.4 µg/m³
96Moderate

Next few days

daily max · US EPA AQI
Sat 💨 Unhealthy for Sensitive Groups · UV Very high
120
Sun 💨 Unhealthy for Sensitive Groups · UV Very high
114
Mon 💨 Moderate · UV Very high
91
Tue 💨 Moderate · UV Very high
84
Wed 💨 Moderate · UV High
79
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Updated: 6:33 AM