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Holly Hills, CO Air Quality

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Air quality in Holly Hills

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
61
Moderate
PM2.5
3.6 µg/m³
WHO guideline 15
PM10
5.5 µg/m³
WHO guideline 45
NO₂ · O₃
1 · 114
µg/m³

Hour by hour (12h)

US EPA AQI
4:00 PM 💨 PM2.5 3.6 µg/m³
61Moderate
5:00 PM 💨 PM2.5 4 µg/m³
61Moderate
6:00 PM 💨 PM2.5 4.1 µg/m³
51Moderate
7:00 PM 💨 PM2.5 4.8 µg/m³
44Good
8:00 PM 💨 PM2.5 7.2 µg/m³
35Good
9:00 PM 💨 PM2.5 10 µg/m³
42Good
10:00 PM 💨 PM2.5 12.5 µg/m³
52Moderate
11:00 PM 💨 PM2.5 13.8 µg/m³
55Moderate
12:00 AM 💨 PM2.5 13.4 µg/m³
54Moderate
1:00 AM 💨 PM2.5 12.6 µg/m³
52Moderate
2:00 AM 💨 PM2.5 11.1 µg/m³
46Good
3:00 AM 💨 PM2.5 9.4 µg/m³
39Good

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV Very high
73
Sat 💨 Moderate · UV Very high
60
Sun 💨 Moderate · UV High
71
Mon 💨 Moderate · UV High
66
Tue 💨 No data · UV Very high
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Updated: 4:19 PM