Real-time air quality index in Lima, Ohio today
Stay updated with real-time air quality in Lima, 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)
52
Moderate
Lima, Ohio
Last updated: ... (Local time)
Common air pollutants in Lima, Ohio
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
10.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
45.52 μg/m³
0
55
155
255
425
605+
Ozone (O3)
47.00 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
4.95 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
6.76 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lima, Ohio
Lima, Ohio
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Lima, Ohio air quality map: Real-time AQI near you
Air quality in nearby cities
Van Wert, Ohio
AQI 44
Good
6.72μg/m³
PM2.5
29.48μg/m³
PM10
46.58ppb
O3
2.83ppb
SO2
6.28ppb
NO2
0.14ppm
CO
Celina, Ohio
AQI 41
Good
2.97μg/m³
PM2.5
11.73μg/m³
PM10
44.31ppb
O3
0.98ppb
SO2
2.53ppb
NO2
0.12ppm
CO
Findlay, Ohio
AQI 42
Good
6.01μg/m³
PM2.5
22.09μg/m³
PM10
44.81ppb
O3
2.83ppb
SO2
3.99ppb
NO2
0.14ppm
CO
Sidney, Ohio
AQI 38
Good
5.70μg/m³
PM2.5
17.37μg/m³
PM10
41.33ppb
O3
2.73ppb
SO2
7.80ppb
NO2
0.12ppm
CO
Bellefontaine, Ohio
AQI 41
Good
5.63μg/m³
PM2.5
15.16μg/m³
PM10
43.79ppb
O3
2.88ppb
SO2
6.18ppb
NO2
0.13ppm
CO
Defiance, Ohio
AQI 42
Good
3.41μg/m³
PM2.5
11.43μg/m³
PM10
45.29ppb
O3
1.14ppb
SO2
1.82ppb
NO2
0.12ppm
CO
How accurate is Ohio, USA air quality data?
Air quality measurements for Ohio, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Lima, Ohio updated?
Air quality data for Lima, Ohio is updated on an hourly basis.
When did Lima, Ohio experience the worst air quality in the last 24 hours?
The worst air quality in Lima, Ohio was recorded at 01:00:00 on 2026-07-23.
When did Lima, Ohio have its best air quality in the last 24 hours?
The best air quality in Lima, Ohio was recorded at 03:00:00 on 2026-07-23.
What is the real-time air quality index for Lima, Ohio?
The real-time air quality index in Lima, Ohio is 52, currently categorized as Moderate.
Which pollutant is found most often in Lima, Ohio?
The most common pollutant in Lima, Ohio is PM2.5.
What can I do if the air quality in Lima, Ohio is poor?
If the air quality in Lima, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Lima, Ohio?
The measured PM2.5 levels in Lima, Ohio at present are 10.305 μg/m3.
What are the current PM10 levels at Lima, Ohio?
The current PM10 levels in Lima, Ohio are 45.516 μg/m3.
What are the current carbon monoxide (CO) levels at Lima, Ohio?
The current carbon monoxide (CO) level in Lima, Ohio is 0.134 ppm.
What are the current sulfur dioxide (SO2) levels at Lima, Ohio?
The current sulfur dioxide (SO2) levels in Lima, Ohio are 4.953 ppb.
What are the current ozone (O3) levels at Lima, Ohio?
The current ozone (O3) levels at Lima, Ohio is 47.001 ppm.
What are the current nitrogen dioxide (NO2) levels at Lima, Ohio?
The current nitrogen dioxide (NO2) levels at Lima, Ohio is 6.759 ppb.
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