Stay updated with real-time air quality in Woodstock, 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)
21
Good
Woodstock, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.64 μg/m³
0
55
155
255
425
605+
22.53 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
4.98 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Woodstock, Illinois
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AQI 19
Good
2.88μg/m³
PM2.5
12.38μg/m³
PM10
20.62ppb
O3
0.99ppb
SO2
4.67ppb
NO2
0.16ppm
CO
AQI 19
Good
3.05μg/m³
PM2.5
8.57μg/m³
PM10
19.72ppb
O3
1.00ppb
SO2
4.74ppb
NO2
0.16ppm
CO
AQI 18
Good
3.41μg/m³
PM2.5
8.96μg/m³
PM10
18.86ppb
O3
1.00ppb
SO2
4.56ppb
NO2
0.15ppm
CO
AQI 19
Good
3.44μg/m³
PM2.5
15.04μg/m³
PM10
20.03ppb
O3
0.97ppb
SO2
4.61ppb
NO2
0.16ppm
CO
AQI 19
Good
2.60μg/m³
PM2.5
11.00μg/m³
PM10
21.00ppb
O3
1.00ppb
SO2
4.69ppb
NO2
0.16ppm
CO
AQI 19
Good
3.48μg/m³
PM2.5
15.23μg/m³
PM10
20.02ppb
O3
0.97ppb
SO2
4.61ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Woodstock, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Woodstock, Illinois was at its worst at 03:00:00 on 2025-10-23.
In the last 24 hours, the best air quality in Woodstock, Illinois was observed at 01:00:00 on 2025-10-23.
As of now, the AQI in Woodstock, Illinois is 18, indicating Good conditions.
Woodstock, Illinois air has the highest levels of O3.
Poor air quality in Woodstock, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Woodstock, Illinois are currently 3.241 μg/m3.
The PM10 concentration in Woodstock, Illinois is 8.59 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Woodstock, Illinois is 0.158 ppm.
Currently, Woodstock, Illinois has a sulfur dioxide (SO2) concentration of 1 ppb.
The current ozone (O3) level in Woodstock, Illinois at the moment is 18.944 ppm.
Nitrogen dioxide (NO2) level in Woodstock, Illinois at the moment is 4.51 ppb.
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