Stay updated with real-time air quality in Elmhurst, Illinois featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
117
Unhealthy for sensitive groups
Elmhurst, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
41.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
187.95 μg/m³
0
55
155
255
425
605+
35.64 ppb
0
55
71
86
201
201+
1.58 ppb
0
36
76
186
605
1005+
8.04 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Elmhurst, Illinois
Elmhurst, Illinois
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AQI 115
Unhealthy for sensitive groups
41.08μg/m³
PM2.5
182.93μg/m³
PM10
27.65ppb
O3
0.99ppb
SO2
8.17ppb
NO2
0.26ppm
CO
AQI 117
Unhealthy for sensitive groups
41.96μg/m³
PM2.5
185.08μg/m³
PM10
24.22ppb
O3
0.97ppb
SO2
8.54ppb
NO2
0.26ppm
CO
AQI 124
Unhealthy for sensitive groups
44.55μg/m³
PM2.5
199.00μg/m³
PM10
27.18ppb
O3
1.04ppb
SO2
8.57ppb
NO2
0.28ppm
CO
AQI 122
Unhealthy for sensitive groups
43.80μg/m³
PM2.5
188.29μg/m³
PM10
33.74ppb
O3
0.93ppb
SO2
8.67ppb
NO2
0.24ppm
CO
AQI 110
Unhealthy for sensitive groups
38.71μg/m³
PM2.5
169.54μg/m³
PM10
29.61ppb
O3
0.97ppb
SO2
7.92ppb
NO2
0.25ppm
CO
AQI 115
Unhealthy for sensitive groups
41.18μg/m³
PM2.5
181.20μg/m³
PM10
24.38ppb
O3
0.97ppb
SO2
8.55ppb
NO2
0.26ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Elmhurst, Illinois is updated every hour.
The worst air quality in Elmhurst, Illinois in the last 24 hours was observed at 12:00:00 on 2025-07-14.
In the last 24 hrs, the best air quality in Elmhurst, Illinois was observed at 09:00:00 on 2025-07-13.
The current air quality in Elmhurst, Illinois is 117, categorized as Unhealthy for Sensitive Groups based on real-time data.
The most common pollutant in Elmhurst, Illinois is PM10.
If the air quality in Elmhurst, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Elmhurst, Illinois is 41.892 μg/m3.
The current PM10 concentration at Elmhurst, Illinois is 187.95 μg/m3.
The current carbon monoxide (CO) concentration at Elmhurst, Illinois is 0.264 ppm.
The current sulfur dioxide (SO2) concentration at Elmhurst, Illinois is 1.578 ppb.
The current ozone (O3) concentration at Elmhurst, Illinois is 35.644 ppm.
The current nitrogen dioxide (NO2) concentration at Elmhurst, Illinois is 8.04 ppb.
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