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)
73
Moderate
Lancaster, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
21.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
75.77 μg/m³
0
55
155
255
425
605+
33.39 ppb
0
55
71
86
201
201+
1.32 ppb
0
36
76
186
605
1005+
7.70 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 66
Moderate
16.97μg/m³
PM2.5
35.19μg/m³
PM10
30.84ppb
O3
1.48ppb
SO2
4.69ppb
NO2
0.21ppm
CO
AQI 66
Moderate
16.99μg/m³
PM2.5
50.55μg/m³
PM10
30.14ppb
O3
1.46ppb
SO2
4.41ppb
NO2
0.21ppm
CO
AQI 67
Moderate
17.86μg/m³
PM2.5
65.04μg/m³
PM10
29.52ppb
O3
1.53ppb
SO2
5.57ppb
NO2
0.21ppm
CO
AQI 66
Moderate
16.99μg/m³
PM2.5
36.52μg/m³
PM10
30.80ppb
O3
1.48ppb
SO2
4.67ppb
NO2
0.21ppm
CO
AQI 66
Moderate
16.94μg/m³
PM2.5
83.56μg/m³
PM10
26.00ppb
O3
1.37ppb
SO2
3.35ppb
NO2
0.22ppm
CO
AQI 67
Moderate
18.35μg/m³
PM2.5
62.77μg/m³
PM10
30.30ppb
O3
1.49ppb
SO2
4.49ppb
NO2
0.21ppm
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 04:00:00, 2025-07-21.
The best air quality in Lancaster, Ohio was observed at 07:00:00 on 2025-07-21.
The air quality in Lancaster, Ohio right now is Moderate, with an AQI of 67.
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 18.221 μg/m3.
Lancaster, Ohio currently has a PM10 concentration of 62.074 μg/m3.
The current carbon monoxide (CO) level in Lancaster, Ohio is 0.213 ppm.
The current sulfur dioxide (SO2) concentration in Lancaster, Ohio is 1.508 ppb.
Lancaster, Ohio currently has an ozone (O3) concentration of 29.497 ppm.
The current level of nitrogen dioxide (NO2) in Lancaster, Ohio is 5.356 ppb.
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