Air quality in San Miguel
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
124
Unhealthy for Sensitive Groups
PM2.5
44.9 µg/m³
WHO guideline 15
PM10
51 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 44.9 µg/m³
124Unhealthy for Sensitive Groups
2:00 AM
💨
PM2.5 43.1 µg/m³
120Unhealthy for Sensitive Groups
3:00 AM
💨
PM2.5 40.7 µg/m³
114Unhealthy for Sensitive Groups
4:00 AM
💨
PM2.5 38.8 µg/m³
109Unhealthy for Sensitive Groups
5:00 AM
💨
PM2.5 37 µg/m³
105Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 35.7 µg/m³
101Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 33.5 µg/m³
96Moderate
8:00 AM
💨
PM2.5 30.2 µg/m³
89Moderate
9:00 AM
💨
PM2.5 30.4 µg/m³
89Moderate
10:00 AM
💨
PM2.5 29.9 µg/m³
88Moderate
11:00 AM
💨
PM2.5 28.6 µg/m³
86Moderate
12:00 PM
💨
PM2.5 27.2 µg/m³
83Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Unhealthy · UV High
158
Tue
💨
Unhealthy · UV High
161
Wed
💨
Unhealthy · UV High
164
Thu
💨
Unhealthy · UV High
194
Fri
💨
Unhealthy · UV High
160