Stay updated with real-time air quality in Palatine, 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)
24
Good
Palatine, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.25 μg/m³
0
55
155
255
425
605+
26.34 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
7.75 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Palatine, Illinois
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AQI 22
Good
4.05μg/m³
PM2.5
16.71μg/m³
PM10
20.87ppb
O3
0.62ppb
SO2
7.77ppb
NO2
0.21ppm
CO
AQI 22
Good
4.05μg/m³
PM2.5
16.69μg/m³
PM10
18.96ppb
O3
0.59ppb
SO2
7.75ppb
NO2
0.21ppm
CO
AQI 22
Good
4.22μg/m³
PM2.5
17.70μg/m³
PM10
18.51ppb
O3
0.63ppb
SO2
7.71ppb
NO2
0.21ppm
CO
AQI 24
Good
3.80μg/m³
PM2.5
12.22μg/m³
PM10
26.20ppb
O3
0.57ppb
SO2
7.72ppb
NO2
0.21ppm
CO
AQI 23
Good
3.96μg/m³
PM2.5
16.98μg/m³
PM10
25.28ppb
O3
0.60ppb
SO2
7.03ppb
NO2
0.22ppm
CO
AQI 22
Good
4.14μg/m³
PM2.5
16.93μg/m³
PM10
19.00ppb
O3
0.63ppb
SO2
7.71ppb
NO2
0.21ppm
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 Palatine, Illinois are available every hour.
Palatine, Illinois experienced its worst air quality at 05:00:00, 2026-03-08.
The best air quality in Palatine, Illinois was observed at 02:00:00 on 2026-03-09.
The air quality in Palatine, Illinois right now is Good, with an AQI of 24.
In Palatine, Illinois, O3 is the most frequently found pollutant.
When air quality in Palatine, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Palatine, Illinois currently has a PM2.5 concentration of 3.898 μg/m3.
Palatine, Illinois currently has a PM10 concentration of 18.248 μg/m3.
The current carbon monoxide (CO) level in Palatine, Illinois is 0.21 ppm.
The current sulfur dioxide (SO2) concentration in Palatine, Illinois is 0.575 ppb.
Palatine, Illinois currently has an ozone (O3) concentration of 26.338 ppm.
The current level of nitrogen dioxide (NO2) in Palatine, Illinois is 7.75 ppb.
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