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Ashton-Sandy Spring, MD Air Quality

← Ashton-Sandy Spring

Air quality in Ashton-Sandy Spring

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
28
Good
PM2.5
5.1 µg/m³
WHO guideline 15
PM10
5.2 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 60
µg/m³

Hour by hour (12h)

US EPA AQI
9:00 AM 💨 PM2.5 5.1 µg/m³
28Good
10:00 AM 💨 PM2.5 5.4 µg/m³
37Good
11:00 AM 💨 PM2.5 5.7 µg/m³
44Good
12:00 PM 💨 PM2.5 5.8 µg/m³
50Good
1:00 PM 💨 PM2.5 5.6 µg/m³
68Moderate
2:00 PM 💨 PM2.5 5.7 µg/m³
81Moderate
3:00 PM 💨 PM2.5 6.2 µg/m³
93Moderate
4:00 PM 💨 PM2.5 6.7 µg/m³
98Moderate
5:00 PM 💨 PM2.5 7 µg/m³
93Moderate
6:00 PM 💨 PM2.5 7.3 µg/m³
66Moderate
7:00 PM 💨 PM2.5 9.7 µg/m³
44Good
8:00 PM 💨 PM2.5 13.4 µg/m³
54Moderate

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV High
98
Sat 💨 Moderate · UV Moderate
77
Sun 💨 Moderate · UV High
52
Mon 💨 Good · UV High
48
Tue 💨 Good · UV High
25
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Updated: 9:16 AM