Real-time air quality index in Hilliard, Ohio today
Stay updated with real-time air quality in Hilliard, 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)
21
Good
Hilliard, Ohio
Last updated: ... (Local time)
Common air pollutants in Hilliard, Ohio
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
10.42 μg/m³
0
55
155
255
425
605+
Ozone (O3)
23.13 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
1.43 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
9.61 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hilliard, Ohio
Hilliard, Ohio
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Hilliard, Ohio air quality map: Real-time AQI near you
Air quality in nearby cities
Dublin, Ohio
AQI 21
Good
2.17μg/m³
PM2.5
9.16μg/m³
PM10
23.23ppb
O3
1.42ppb
SO2
9.89ppb
NO2
0.20ppm
CO
Upper Arlington, Ohio
AQI 21
Good
2.38μg/m³
PM2.5
9.88μg/m³
PM10
23.23ppb
O3
1.43ppb
SO2
9.68ppb
NO2
0.20ppm
CO
Worthington, Ohio
AQI 22
Good
2.23μg/m³
PM2.5
9.04μg/m³
PM10
23.68ppb
O3
1.43ppb
SO2
9.77ppb
NO2
0.20ppm
CO
Powell, Ohio
AQI 21
Good
2.17μg/m³
PM2.5
9.15μg/m³
PM10
23.31ppb
O3
1.41ppb
SO2
9.88ppb
NO2
0.20ppm
CO
Columbus, Ohio
AQI 21
Good
2.53μg/m³
PM2.5
10.51μg/m³
PM10
23.06ppb
O3
1.44ppb
SO2
9.53ppb
NO2
0.19ppm
CO
Grove City, Ohio
AQI 21
Good
2.70μg/m³
PM2.5
11.13μg/m³
PM10
23.00ppb
O3
1.45ppb
SO2
9.52ppb
NO2
0.19ppm
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 Hilliard, Ohio updated?
Air quality data for Hilliard, Ohio is updated on an hourly basis.
When did Hilliard, Ohio experience the worst air quality in the last 24 hours?
The worst air quality in Hilliard, Ohio was recorded at 11:00:00 on 2025-10-21.
When did Hilliard, Ohio have its best air quality in the last 24 hours?
The best air quality in Hilliard, Ohio was recorded at 12:00:00 on 2025-10-22.
What is the real-time air quality index for Hilliard, Ohio?
The real-time air quality index in Hilliard, Ohio is 21, currently categorized as Good.
Which pollutant is found most often in Hilliard, Ohio?
The most common pollutant in Hilliard, Ohio is O3.
What can I do if the air quality in Hilliard, Ohio is poor?
If the air quality in Hilliard, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Hilliard, Ohio?
The measured PM2.5 levels in Hilliard, Ohio at present are 2.38 μg/m3.
What are the current PM10 levels at Hilliard, Ohio?
The current PM10 levels in Hilliard, Ohio are 10.422 μg/m3.
What are the current carbon monoxide (CO) levels at Hilliard, Ohio?
The current carbon monoxide (CO) level in Hilliard, Ohio is 0.281 ppm.
What are the current sulfur dioxide (SO2) levels at Hilliard, Ohio?
The current sulfur dioxide (SO2) levels in Hilliard, Ohio are 1.434 ppb.
What are the current ozone (O3) levels at Hilliard, Ohio?
The current ozone (O3) levels at Hilliard, Ohio is 23.133 ppm.
What are the current nitrogen dioxide (NO2) levels at Hilliard, Ohio?
The current nitrogen dioxide (NO2) levels at Hilliard, Ohio is 9.608 ppb.
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