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)
49
Good
Jacksonville, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.81 μg/m³
0
55
155
255
425
605+
32.15 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
4.14 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Jacksonville, Illinois
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AQI 38
Good
6.69μg/m³
PM2.5
32.36μg/m³
PM10
27.21ppb
O3
0.62ppb
SO2
4.49ppb
NO2
0.19ppm
CO
AQI 33
Good
5.80μg/m³
PM2.5
25.01μg/m³
PM10
27.00ppb
O3
0.61ppb
SO2
4.48ppb
NO2
0.19ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
29.24μg/m³
PM10
25.76ppb
O3
0.68ppb
SO2
4.45ppb
NO2
0.19ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
32.99μg/m³
PM10
25.66ppb
O3
1.31ppb
SO2
4.38ppb
NO2
0.19ppm
CO
AQI 33
Good
5.99μg/m³
PM2.5
31.46μg/m³
PM10
29.94ppb
O3
0.52ppb
SO2
4.77ppb
NO2
0.19ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
30.00μg/m³
PM10
36.07ppb
O3
0.35ppb
SO2
0.71ppb
NO2
0.15ppm
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 06:00:00, 2026-03-09.
The best air quality in Jacksonville, Illinois was observed at 02:00:00 on 2026-03-09.
The air quality in Jacksonville, Illinois right now is Good, with an AQI of 49.
In Jacksonville, Illinois, PM2.5 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 8.594 μg/m3.
Jacksonville, Illinois currently has a PM10 concentration of 33.807 μg/m3.
The current carbon monoxide (CO) level in Jacksonville, Illinois is 0.209 ppm.
The current sulfur dioxide (SO2) concentration in Jacksonville, Illinois is 0.765 ppb.
Jacksonville, Illinois currently has an ozone (O3) concentration of 32.147 ppm.
The current level of nitrogen dioxide (NO2) in Jacksonville, Illinois is 4.141 ppb.
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