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)
66
Moderate
Lancaster, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.15 μg/m³
0
55
155
255
425
605+
44.22 ppb
0
55
71
86
201
201+
2.17 ppb
0
36
76
186
605
1005+
6.22 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lancaster, Ohio
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AQI 67
Moderate
18.44μg/m³
PM2.5
51.98μg/m³
PM10
43.93ppb
O3
2.00ppb
SO2
6.67ppb
NO2
0.14ppm
CO
AQI 67
Moderate
18.25μg/m³
PM2.5
56.11μg/m³
PM10
43.55ppb
O3
1.99ppb
SO2
6.64ppb
NO2
0.14ppm
CO
AQI 66
Moderate
17.24μg/m³
PM2.5
55.40μg/m³
PM10
43.84ppb
O3
2.21ppb
SO2
6.29ppb
NO2
0.15ppm
CO
AQI 67
Moderate
18.40μg/m³
PM2.5
52.56μg/m³
PM10
43.95ppb
O3
2.00ppb
SO2
6.69ppb
NO2
0.14ppm
CO
AQI 67
Moderate
18.39μg/m³
PM2.5
53.40μg/m³
PM10
40.00ppb
O3
1.98ppb
SO2
5.95ppb
NO2
0.15ppm
CO
AQI 69
Moderate
18.57μg/m³
PM2.5
49.65μg/m³
PM10
44.31ppb
O3
2.03ppb
SO2
6.78ppb
NO2
0.14ppm
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 09:00:00, 2025-09-05.
The best air quality in Lancaster, Ohio was observed at 11:00:00 on 2025-09-05.
The air quality in Lancaster, Ohio right now is Moderate, with an AQI of 66.
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 17.058 μg/m3.
Lancaster, Ohio currently has a PM10 concentration of 56.146 μg/m3.
The current carbon monoxide (CO) level in Lancaster, Ohio is 0.154 ppm.
The current sulfur dioxide (SO2) concentration in Lancaster, Ohio is 2.169 ppb.
Lancaster, Ohio currently has an ozone (O3) concentration of 44.215 ppm.
The current level of nitrogen dioxide (NO2) in Lancaster, Ohio is 6.216 ppb.
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