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Melrose, NY Air Quality

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Air quality in Melrose

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
109
Unhealthy for Sensitive Groups
PM2.5
38.6 µg/m³
WHO guideline 15
PM10
38.8 µg/m³
WHO guideline 45
NO₂ · O₃
76 · 1
µg/m³

Hour by hour (12h)

US EPA AQI
12:00 AM 💨 PM2.5 38.6 µg/m³
109Unhealthy for Sensitive Groups
1:00 AM 💨 PM2.5 37.6 µg/m³
106Unhealthy for Sensitive Groups
2:00 AM 💨 PM2.5 35.3 µg/m³
100Moderate
3:00 AM 💨 PM2.5 34 µg/m³
97Moderate
4:00 AM 💨 PM2.5 32.5 µg/m³
94Moderate
5:00 AM 💨 PM2.5 30.9 µg/m³
91Moderate
6:00 AM 💨 PM2.5 29.6 µg/m³
88Moderate
7:00 AM 💨 PM2.5 28.4 µg/m³
85Moderate
8:00 AM 💨 PM2.5 28.5 µg/m³
85Moderate
9:00 AM 💨 PM2.5 26.5 µg/m³
81Moderate
10:00 AM 💨 PM2.5 23.9 µg/m³
76Moderate
11:00 AM 💨 PM2.5 21.1 µg/m³
70Moderate

Next few days

daily max · US EPA AQI
Sat 💨 Unhealthy for Sensitive Groups · UV Moderate
109
Sun 💨 Moderate · UV High
95
Mon 💨 Moderate · UV High
54
Tue 💨 Moderate · UV Moderate
59
Wed 💨 Moderate · UV High
58
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Updated: 12:51 AM