Stay updated with real-time air quality in Jacksonville, 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)
37
Good
Jacksonville, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.46 μg/m³
0
55
155
255
425
605+
40.41 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
12.47 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Jacksonville, Illinois
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AQI 38
Good
6.50μg/m³
PM2.5
28.16μg/m³
PM10
37.98ppb
O3
0.60ppb
SO2
5.69ppb
NO2
0.49ppm
CO
AQI 40
Good
4.80μg/m³
PM2.5
21.00μg/m³
PM10
42.99ppb
O3
0.57ppb
SO2
5.76ppb
NO2
0.47ppm
CO
AQI 42
Good
6.61μg/m³
PM2.5
23.45μg/m³
PM10
44.98ppb
O3
0.67ppb
SO2
5.86ppb
NO2
0.46ppm
CO
AQI 52
Moderate
9.56μg/m³
PM2.5
40.04μg/m³
PM10
41.05ppb
O3
0.85ppb
SO2
19.10ppb
NO2
0.65ppm
CO
AQI 42
Good
5.58μg/m³
PM2.5
23.24μg/m³
PM10
44.85ppb
O3
0.40ppb
SO2
6.17ppb
NO2
0.41ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
29.01μg/m³
PM10
30.43ppb
O3
0.89ppb
SO2
2.50ppb
NO2
0.16ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Jacksonville, Illinois are available every hour.
Jacksonville, Illinois experienced its worst air quality at 11:00:00, 2026-10-06.
The best air quality in Jacksonville, Illinois was observed at 01:00:00 on 2026-10-06.
The air quality in Jacksonville, Illinois right now is Good, with an AQI of 30.
In Jacksonville, Illinois, O3 is the most frequently found pollutant.
When air quality in Jacksonville, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Jacksonville, Illinois currently has a PM2.5 concentration of 5.209 μg/m3.
Jacksonville, Illinois currently has a PM10 concentration of 22.771 μg/m3.
The current carbon monoxide (CO) level in Jacksonville, Illinois is 0.178 ppm.
The current sulfur dioxide (SO2) concentration in Jacksonville, Illinois is 1.505 ppb.
Jacksonville, Illinois currently has an ozone (O3) concentration of 32.403 ppm.
The current level of nitrogen dioxide (NO2) in Jacksonville, Illinois is 4.335 ppb.
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