Stay updated with real-time air quality in New Philadelphia, 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)
43
Good
New Philadelphia, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.77 μg/m³
0
55
155
255
425
605+
46.34 ppb
0
55
71
86
201
201+
1.22 ppb
0
36
76
186
605
1005+
4.54 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
New Philadelphia, Ohio
New Philadelphia, Ohio
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AQI 44
Good
5.06μg/m³
PM2.5
14.90μg/m³
PM10
47.62ppb
O3
1.22ppb
SO2
4.58ppb
NO2
0.16ppm
CO
AQI 44
Good
5.50μg/m³
PM2.5
18.76μg/m³
PM10
48.01ppb
O3
1.26ppb
SO2
4.90ppb
NO2
0.16ppm
CO
AQI 43
Good
5.29μg/m³
PM2.5
22.29μg/m³
PM10
46.35ppb
O3
1.28ppb
SO2
4.87ppb
NO2
0.16ppm
CO
AQI 40
Good
5.34μg/m³
PM2.5
21.31μg/m³
PM10
42.65ppb
O3
1.80ppb
SO2
4.18ppb
NO2
0.15ppm
CO
AQI 44
Good
5.55μg/m³
PM2.5
18.89μg/m³
PM10
48.23ppb
O3
1.27ppb
SO2
5.00ppb
NO2
0.16ppm
CO
AQI 46
Good
4.44μg/m³
PM2.5
16.09μg/m³
PM10
50.25ppb
O3
1.24ppb
SO2
5.16ppb
NO2
0.17ppm
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 New Philadelphia, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in New Philadelphia, Ohio was at its worst at 06:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in New Philadelphia, Ohio was observed at 12:00:00 on 2026-07-23.
As of now, the AQI in New Philadelphia, Ohio is 43, indicating Good conditions.
New Philadelphia, Ohio air has the highest levels of O3.
Poor air quality in New Philadelphia, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in New Philadelphia, Ohio are currently 5.484 μg/m3.
The PM10 concentration in New Philadelphia, Ohio is 21.775 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in New Philadelphia, Ohio is 0.156 ppm.
Currently, New Philadelphia, Ohio has a sulfur dioxide (SO2) concentration of 1.217 ppb.
The current ozone (O3) level in New Philadelphia, Ohio at the moment is 46.341 ppm.
Nitrogen dioxide (NO2) level in New Philadelphia, Ohio at the moment is 4.535 ppb.
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