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Dundalk, MD Air Quality

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Air quality in Dundalk

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
33
Good
PM2.5
6.9 µg/m³
WHO guideline 15
PM10
7 µg/m³
WHO guideline 45
NO₂ · O₃
12 · 70
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 AM 💨 PM2.5 6.9 µg/m³
33Good
2:00 AM 💨 PM2.5 7 µg/m³
31Good
3:00 AM 💨 PM2.5 7 µg/m³
29Good
4:00 AM 💨 PM2.5 6.8 µg/m³
28Good
5:00 AM 💨 PM2.5 6.4 µg/m³
27Good
6:00 AM 💨 PM2.5 6 µg/m³
26Good
7:00 AM 💨 PM2.5 5.8 µg/m³
25Good
8:00 AM 💨 PM2.5 6.4 µg/m³
27Good
9:00 AM 💨 PM2.5 7.7 µg/m³
32Good
10:00 AM 💨 PM2.5 8.8 µg/m³
37Good
11:00 AM 💨 PM2.5 10 µg/m³
42Good
12:00 PM 💨 PM2.5 11.3 µg/m³
50Good

Next few days

daily max · US EPA AQI
Wed 💨 Unhealthy for Sensitive Groups · UV Moderate
124
Thu 💨 Good · UV Low
39
Fri 💨 Unhealthy for Sensitive Groups · UV Moderate
103
Sat 💨 Good · UV Moderate
36
Sun 💨 Good · UV Moderate
32

Weather map — Dundalk

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Updated: 1:48 AM