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)
44
Good
Lancaster, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.74 μg/m³
0
55
155
255
425
605+
30.33 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
4.59 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lancaster, Ohio
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AQI 44
Good
7.58μg/m³
PM2.5
19.25μg/m³
PM10
39.05ppb
O3
1.00ppb
SO2
3.87ppb
NO2
0.15ppm
CO
AQI 38
Good
6.95μg/m³
PM2.5
21.15μg/m³
PM10
37.90ppb
O3
1.00ppb
SO2
3.92ppb
NO2
0.15ppm
CO
AQI 49
Good
9.06μg/m³
PM2.5
15.38μg/m³
PM10
29.71ppb
O3
1.04ppb
SO2
4.54ppb
NO2
0.17ppm
CO
AQI 38
Good
7.47μg/m³
PM2.5
19.15μg/m³
PM10
39.14ppb
O3
1.00ppb
SO2
3.87ppb
NO2
0.15ppm
CO
AQI 38
Good
7.35μg/m³
PM2.5
28.36μg/m³
PM10
28.00ppb
O3
1.00ppb
SO2
4.33ppb
NO2
0.17ppm
CO
AQI 44
Good
7.68μg/m³
PM2.5
25.70μg/m³
PM10
39.90ppb
O3
1.01ppb
SO2
3.85ppb
NO2
0.15ppm
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 10:00:00, 2026-06-07.
The best air quality in Lancaster, Ohio was observed at 08:00:00 on 2026-06-07.
The air quality in Lancaster, Ohio right now is Good, with an AQI of 44.
In Lancaster, Ohio, PM2.5 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 7.735 μg/m3.
Lancaster, Ohio currently has a PM10 concentration of 26.741 μg/m3.
The current carbon monoxide (CO) level in Lancaster, Ohio is 0.168 ppm.
The current sulfur dioxide (SO2) concentration in Lancaster, Ohio is 1.001 ppb.
Lancaster, Ohio currently has an ozone (O3) concentration of 30.334 ppm.
The current level of nitrogen dioxide (NO2) in Lancaster, Ohio is 4.591 ppb.
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