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)
40
Good
Jacksonville, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.58 μg/m³
0
55
155
255
425
605+
43.37 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
2.10 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Jacksonville, Illinois
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AQI 37
Good
2.15μg/m³
PM2.5
10.60μg/m³
PM10
40.09ppb
O3
0.97ppb
SO2
1.95ppb
NO2
0.10ppm
CO
AQI 39
Good
2.28μg/m³
PM2.5
10.63μg/m³
PM10
41.94ppb
O3
0.83ppb
SO2
1.95ppb
NO2
0.10ppm
CO
AQI 37
Good
2.17μg/m³
PM2.5
10.08μg/m³
PM10
40.34ppb
O3
0.92ppb
SO2
1.95ppb
NO2
0.10ppm
CO
AQI 36
Good
2.13μg/m³
PM2.5
8.97μg/m³
PM10
38.69ppb
O3
0.83ppb
SO2
2.32ppb
NO2
0.10ppm
CO
AQI 37
Good
2.44μg/m³
PM2.5
9.65μg/m³
PM10
40.47ppb
O3
0.76ppb
SO2
1.86ppb
NO2
0.10ppm
CO
AQI 35
Good
0.66μg/m³
PM2.5
2.03μg/m³
PM10
38.20ppb
O3
0.09ppb
SO2
0.31ppb
NO2
0.12ppm
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 02:00:00, 2026-06-15.
The best air quality in Jacksonville, Illinois was observed at 11:00:00 on 2026-06-15.
The air quality in Jacksonville, Illinois right now is Good, with an AQI of 35.
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 2.101 μg/m3.
Jacksonville, Illinois currently has a PM10 concentration of 17.928 μg/m3.
The current carbon monoxide (CO) level in Jacksonville, Illinois is 0.1 ppm.
The current sulfur dioxide (SO2) concentration in Jacksonville, Illinois is 0.775 ppb.
Jacksonville, Illinois currently has an ozone (O3) concentration of 38.287 ppm.
The current level of nitrogen dioxide (NO2) in Jacksonville, Illinois is 1.947 ppb.
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