Stay updated with real-time air quality in Lancaster, Ohio 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)
32
Good
Lancaster, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.57 μg/m³
0
55
155
255
425
605+
34.67 ppb
0
55
71
86
201
201+
1.80 ppb
0
36
76
186
605
1005+
6.25 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lancaster, Ohio
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AQI 27
Good
3.15μg/m³
PM2.5
16.41μg/m³
PM10
28.57ppb
O3
1.89ppb
SO2
5.78ppb
NO2
0.11ppm
CO
AQI 27
Good
3.00μg/m³
PM2.5
14.77μg/m³
PM10
29.41ppb
O3
1.86ppb
SO2
5.73ppb
NO2
0.11ppm
CO
AQI 31
Good
3.17μg/m³
PM2.5
13.82μg/m³
PM10
33.31ppb
O3
2.00ppb
SO2
5.38ppb
NO2
0.12ppm
CO
AQI 27
Good
3.13μg/m³
PM2.5
16.14μg/m³
PM10
28.64ppb
O3
1.88ppb
SO2
5.79ppb
NO2
0.11ppm
CO
AQI 31
Good
3.13μg/m³
PM2.5
12.96μg/m³
PM10
34.00ppb
O3
1.81ppb
SO2
5.28ppb
NO2
0.11ppm
CO
AQI 30
Good
3.11μg/m³
PM2.5
10.90μg/m³
PM10
31.79ppb
O3
1.92ppb
SO2
5.88ppb
NO2
0.11ppm
CO
The air quality data for Ohio, 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 Lancaster, Ohio are available every hour.
Lancaster, Ohio experienced its worst air quality at 02:00:00, 2025-10-21.
The best air quality in Lancaster, Ohio was observed at 01:00:00 on 2025-10-21.
The air quality in Lancaster, Ohio right now is Good, with an AQI of 30.
In Lancaster, Ohio, O3 is the most frequently found pollutant.
When air quality in Lancaster, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Lancaster, Ohio currently has a PM2.5 concentration of 3.145 μg/m3.
Lancaster, Ohio currently has a PM10 concentration of 11.531 μg/m3.
The current carbon monoxide (CO) level in Lancaster, Ohio is 0.114 ppm.
The current sulfur dioxide (SO2) concentration in Lancaster, Ohio is 1.865 ppb.
Lancaster, Ohio currently has an ozone (O3) concentration of 31.894 ppm.
The current level of nitrogen dioxide (NO2) in Lancaster, Ohio is 5.302 ppb.
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