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)
54
Moderate
Lancaster, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.73 μg/m³
0
55
155
255
425
605+
56.05 ppb
0
55
71
86
201
201+
1.42 ppb
0
36
76
186
605
1005+
5.40 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lancaster, Ohio
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AQI 64
Moderate
9.83μg/m³
PM2.5
34.55μg/m³
PM10
59.41ppb
O3
1.15ppb
SO2
11.83ppb
NO2
0.25ppm
CO
AQI 54
Moderate
9.02μg/m³
PM2.5
33.85μg/m³
PM10
56.46ppb
O3
1.13ppb
SO2
11.73ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.47μg/m³
PM2.5
28.46μg/m³
PM10
54.37ppb
O3
1.43ppb
SO2
5.14ppb
NO2
0.23ppm
CO
AQI 64
Moderate
9.73μg/m³
PM2.5
34.28μg/m³
PM10
59.10ppb
O3
1.16ppb
SO2
11.89ppb
NO2
0.25ppm
CO
AQI 49
Good
8.87μg/m³
PM2.5
29.99μg/m³
PM10
48.00ppb
O3
1.11ppb
SO2
10.39ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.29μg/m³
PM2.5
32.53μg/m³
PM10
45.50ppb
O3
1.39ppb
SO2
13.51ppb
NO2
0.25ppm
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, 2026-04-23.
The best air quality in Lancaster, Ohio was observed at 05:00:00 on 2026-04-23.
The air quality in Lancaster, Ohio right now is Moderate, with an AQI of 54.
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 11.41 μg/m3.
Lancaster, Ohio currently has a PM10 concentration of 27.73 μg/m3.
The current carbon monoxide (CO) level in Lancaster, Ohio is 0.231 ppm.
The current sulfur dioxide (SO2) concentration in Lancaster, Ohio is 1.422 ppb.
Lancaster, Ohio currently has an ozone (O3) concentration of 56.045 ppm.
The current level of nitrogen dioxide (NO2) in Lancaster, Ohio is 5.396 ppb.
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