London, Ohio live air quality index now
Stay updated with real-time air quality in London, 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)
42
Good
London, Ohio
Last updated: ... (Local time)
Major air pollutants in London, Ohio
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
18.27 μg/m³
0
55
155
255
425
605+
Ozone (O3)
45.17 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
2.08 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
5.17 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
London, Ohio
London, Ohio
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London, Ohio air quality map: Track AQI near you
Air quality in nearby cities
Hilliard, Ohio
AQI 42
Good
5.08μg/m³
PM2.5
17.70μg/m³
PM10
45.49ppb
O3
2.29ppb
SO2
3.02ppb
NO2
0.11ppm
CO
Grove City, Ohio
AQI 42
Good
5.98μg/m³
PM2.5
18.19μg/m³
PM10
45.10ppb
O3
2.25ppb
SO2
3.75ppb
NO2
0.11ppm
CO
Springfield, Ohio
AQI 45
Good
4.60μg/m³
PM2.5
20.02μg/m³
PM10
48.92ppb
O3
2.31ppb
SO2
7.17ppb
NO2
0.11ppm
CO
Urbana, Ohio
AQI 45
Good
4.72μg/m³
PM2.5
23.08μg/m³
PM10
48.81ppb
O3
2.34ppb
SO2
7.09ppb
NO2
0.12ppm
CO
Upper Arlington, Ohio
AQI 42
Good
5.13μg/m³
PM2.5
17.15μg/m³
PM10
45.27ppb
O3
2.29ppb
SO2
3.16ppb
NO2
0.11ppm
CO
Dublin, Ohio
AQI 42
Good
4.54μg/m³
PM2.5
18.13μg/m³
PM10
45.45ppb
O3
2.34ppb
SO2
2.38ppb
NO2
0.10ppm
CO
How accurate is Ohio, USA air quality data?
Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
Frequently asked questions
How often is the air quality data for London, Ohio updated?
The air quality for London, Ohio is updated every hour.
When was the worst air quality at London, Ohio in the last 24 hrs?
The worst air quality in London, Ohio in the last 24 hours was observed at 09:00:00 on 2026-07-23.
When was the best air quality at London, Ohio in the last 24 hrs?
In the last 24 hrs, the best air quality in London, Ohio was observed at 03:00:00 on 2026-07-23.
What is the current air quality in London, Ohio?
The current air quality in London, Ohio is 42, categorized as Good based on real-time data.
What pollutant is the most common in London, Ohio?
The most common pollutant in London, Ohio is O3.
What should I do if the air quality in London, Ohio is poor?
If the air quality in London, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in London, Ohio?
The current PM2.5 concentration at London, Ohio is 5.107 μg/m3.
What is the current concentration of PM10 in London, Ohio?
The current PM10 concentration at London, Ohio is 18.271 μg/m3.
What is the current concentration of carbon monoxide (CO) in London, Ohio?
The current carbon monoxide (CO) concentration at London, Ohio is 0.202 ppm.
What is the current concentration of sulfur dioxide (SO2) in London, Ohio?
The current sulfur dioxide (SO2) concentration at London, Ohio is 2.085 ppb.
What is the current concentration of ozone (O3) in London, Ohio?
The current ozone (O3) concentration at London, Ohio is 45.174 ppm.
What is the current concentration of nitrogen dioxide (NO2) in London, Ohio?
The current nitrogen dioxide (NO2) concentration at London, Ohio is 5.167 ppb.
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