Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.1 µg/m³
- PM10:
9.38 µg/m³
- O3:
0.007 ppm
- NO2:
2.9 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
8.67 µg/m³
- PM10:
8.93 µg/m³
- O3:
0.011 ppm
- NO2:
2.4 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
8.54 µg/m³
- PM10:
8.81 µg/m³
- O3:
0.010 ppm
- NO2:
2.2 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
8.8 µg/m³
- PM10:
9.07 µg/m³
- O3:
0.013 ppm
- NO2:
2.1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.67 µg/m³
- PM10:
7.96 µg/m³
- O3:
0.045 ppm
- NO2:
0.8 ppb
- SO2:
0.9 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.34 µg/m³
- PM10:
7.63 µg/m³
- O3:
0.050 ppm
- NO2:
0.4 ppb
- SO2:
0.8 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.48 µg/m³
- PM10:
7.78 µg/m³
- O3:
0.050 ppm
- NO2:
0.3 ppb
- SO2:
0.7 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.65 µg/m³
- PM10:
7.96 µg/m³
- O3:
0.051 ppm
- NO2:
0.3 ppb
- SO2:
0.6 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
8.01 µg/m³
- PM10:
8.33 µg/m³
- O3:
0.051 ppm
- NO2:
0.3 ppb
- SO2:
0.6 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
8.59 µg/m³
- PM10:
8.92 µg/m³
- O3:
0.052 ppm
- NO2:
0.4 ppb
- SO2:
0.6 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
9.25 µg/m³
- PM10:
9.61 µg/m³
- O3:
0.048 ppm
- NO2:
0.8 ppb
- SO2:
0.5 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.7 µg/m³
- PM10:
10.07 µg/m³
- O3:
0.042 ppm
- NO2:
1.5 ppb
- SO2:
0.4 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.82 µg/m³
- PM10:
10.2 µg/m³
- O3:
0.038 ppm
- NO2:
2.2 ppb
- SO2:
0.4 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.86 µg/m³
- PM10:
10.26 µg/m³
- O3:
0.033 ppm
- NO2:
3.3 ppb
- SO2:
0.3 ppb
- CO:
0.11 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.81 µg/m³
- PM10:
10.22 µg/m³
- O3:
0.024 ppm
- NO2:
3.9 ppb
- SO2:
0.2 ppb
- CO:
0.12 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.56 µg/m³
- PM10:
9.97 µg/m³
- O3:
0.018 ppm
- NO2:
4.3 ppb
- SO2:
0.2 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.15 µg/m³
- PM10:
9.55 µg/m³
- O3:
0.014 ppm
- NO2:
4.5 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Weather Alerts and Warnings for Chicago
Air Quality Alert
Air Quality Alert issued July 13 at 11:44AM CDT by NWS Chicago IL
Jul 13, 11:44 AM
→ Jul 15, 12:00 AM
The Illinois Environmental Protection Agency has issued an Air
Pollution Action Day for Tuesday July 14th for the greater Chicago
Metropolitan Area and is in effect through Tuesday night.
An Air Pollution Action Day is declared when weather conditions are
such that widespread ozone and or particulate levels are expected to
be at or above the Unhealthy for Sensitive Groups category of the
Air Quality Index for multiple days.
Active children and adults, especially people with pulmonary or
respiratory disease such as asthma, should limit prolonged outdoor
activity.
Area residents are urged to reduce pollution levels. Air quality
forecasts, current air quality, and tips on how you can reduce your
emissions can be found at www.airnow.gov.
Media contact...Illinois EPA.
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