Stay updated with real-time air quality in Mayfield Heights, 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)
39
Good
Mayfield Heights, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.77 μg/m³
0
55
155
255
425
605+
42.33 ppb
0
55
71
86
201
201+
1.08 ppb
0
36
76
186
605
1005+
6.06 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mayfield Heights, Ohio
Mayfield Heights, Ohio
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AQI 41
Good
4.14μg/m³
PM2.5
14.90μg/m³
PM10
43.60ppb
O3
1.02ppb
SO2
6.15ppb
NO2
0.18ppm
CO
AQI 40
Good
4.05μg/m³
PM2.5
16.39μg/m³
PM10
42.61ppb
O3
0.95ppb
SO2
6.31ppb
NO2
0.19ppm
CO
AQI 39
Good
3.88μg/m³
PM2.5
14.73μg/m³
PM10
42.32ppb
O3
1.04ppb
SO2
6.12ppb
NO2
0.18ppm
CO
AQI 40
Good
4.07μg/m³
PM2.5
13.84μg/m³
PM10
43.28ppb
O3
1.00ppb
SO2
6.24ppb
NO2
0.19ppm
CO
AQI 41
Good
4.11μg/m³
PM2.5
12.74μg/m³
PM10
43.86ppb
O3
1.03ppb
SO2
6.07ppb
NO2
0.18ppm
CO
AQI 40
Good
4.05μg/m³
PM2.5
16.39μg/m³
PM10
42.61ppb
O3
0.95ppb
SO2
6.31ppb
NO2
0.19ppm
CO
Air quality and pollutant data for Ohio, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Mayfield Heights, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Mayfield Heights, Ohio was at its worst at 09:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Mayfield Heights, Ohio was observed at 03:00:00 on 2026-07-23.
As of now, the AQI in Mayfield Heights, Ohio is 39, indicating Good conditions.
Mayfield Heights, Ohio air has the highest levels of O3.
Poor air quality in Mayfield Heights, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Mayfield Heights, Ohio are currently 3.933 μg/m3.
The PM10 concentration in Mayfield Heights, Ohio is 14.772 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mayfield Heights, Ohio is 0.184 ppm.
Currently, Mayfield Heights, Ohio has a sulfur dioxide (SO2) concentration of 1.085 ppb.
The current ozone (O3) level in Mayfield Heights, Ohio at the moment is 42.334 ppm.
Nitrogen dioxide (NO2) level in Mayfield Heights, Ohio at the moment is 6.058 ppb.
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