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Chas air quality

Updated 12/10, 11:31

The data may not be up to date.

Current AQI

US EPA scale · observed at 11:30

159

Unhealthy

Everyone should reduce outdoor activity; sensitive groups should stay indoors.

Pollutants

Current concentrations, µg/m³

Pollutant concentrations (µg/m³)
PollutantConcentration
PM2.546,8 µg/m³
PM1050,5 µg/m³
O₃159 µg/m³
NO₂15 µg/m³
SO₂59,4 µg/m³
CO291 µg/m³

AQI, next 20 hours

Show data table
AQI by the hour
TimeAQILevel
15:30158Unhealthy
16:30157Unhealthy
17:30157Unhealthy
18:30158Unhealthy
19:30159Unhealthy
20:30160Unhealthy
21:30161Unhealthy
22:30163Unhealthy
23:30165Unhealthy
00:30166Unhealthy
01:30168Unhealthy
02:30168Unhealthy
03:30169Unhealthy
04:30169Unhealthy
05:30170Unhealthy
06:30170Unhealthy
07:30170Unhealthy
08:30171Unhealthy
09:30171Unhealthy
10:30171Unhealthy

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Air quality data by Open-Meteo.com (CAMS)