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WeatherLiveMontanaShelbyAir Quality

Shelby, MT Air Quality

← Shelby

Air quality in Shelby

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
25
Good
PM2.5
6 µg/m³
WHO guideline 15
PM10
6.3 µg/m³
WHO guideline 45
NO₂ · O₃
9 · 45
µg/m³

Hour by hour (12h)

US EPA AQI
7:00 AM 💨 PM2.5 6 µg/m³
25Good
8:00 AM 💨 PM2.5 5.8 µg/m³
24Good
9:00 AM 💨 PM2.5 5.7 µg/m³
27Good
10:00 AM 💨 PM2.5 5.6 µg/m³
31Good
11:00 AM 💨 PM2.5 6 µg/m³
35Good
12:00 PM 💨 PM2.5 7.6 µg/m³
40Good
1:00 PM 💨 PM2.5 9.2 µg/m³
45Good
2:00 PM 💨 PM2.5 9.2 µg/m³
48Good
3:00 PM 💨 PM2.5 8.4 µg/m³
61Moderate
4:00 PM 💨 PM2.5 8.2 µg/m³
68Moderate
5:00 PM 💨 PM2.5 8.4 µg/m³
70Moderate
6:00 PM 💨 PM2.5 8.5 µg/m³
65Moderate

Next few days

daily max · US EPA AQI
Thu 💨 Moderate · UV High
70
Fri 💨 Good · UV High
48
Sat 💨 Good · UV High
44
Sun 💨 Good · UV High
45
Mon 💨 Good · UV High
26
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Updated: 7:12 AM