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)
77
Moderate
Mayfield Heights, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.24 μg/m³
0
55
155
255
425
605+
63.36 ppb
0
55
71
86
201
201+
1.02 ppb
0
36
76
186
605
1005+
4.28 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Mayfield Heights, Ohio
Mayfield Heights, Ohio
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AQI 74
Moderate
10.21μg/m³
PM2.5
39.59μg/m³
PM10
61.62ppb
O3
0.96ppb
SO2
5.72ppb
NO2
0.27ppm
CO
AQI 64
Moderate
10.35μg/m³
PM2.5
41.70μg/m³
PM10
59.02ppb
O3
0.84ppb
SO2
8.83ppb
NO2
0.27ppm
CO
AQI 67
Moderate
10.01μg/m³
PM2.5
40.34μg/m³
PM10
60.43ppb
O3
0.94ppb
SO2
7.73ppb
NO2
0.27ppm
CO
AQI 71
Moderate
10.61μg/m³
PM2.5
39.76μg/m³
PM10
60.57ppb
O3
0.91ppb
SO2
7.02ppb
NO2
0.27ppm
CO
AQI 74
Moderate
9.88μg/m³
PM2.5
34.78μg/m³
PM10
62.50ppb
O3
1.01ppb
SO2
4.63ppb
NO2
0.27ppm
CO
AQI 64
Moderate
10.35μg/m³
PM2.5
41.70μg/m³
PM10
59.02ppb
O3
0.84ppb
SO2
8.83ppb
NO2
0.27ppm
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 12:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Mayfield Heights, Ohio was observed at 04:00:00 on 2026-04-23.
As of now, the AQI in Mayfield Heights, Ohio is 74, indicating Moderate 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 9.838 μg/m3.
The PM10 concentration in Mayfield Heights, Ohio is 39.341 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mayfield Heights, Ohio is 0.268 ppm.
Currently, Mayfield Heights, Ohio has a sulfur dioxide (SO2) concentration of 1.002 ppb.
The current ozone (O3) level in Mayfield Heights, Ohio at the moment is 61.648 ppm.
Nitrogen dioxide (NO2) level in Mayfield Heights, Ohio at the moment is 6.471 ppb.
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