Stay updated with real-time air quality in Niles, 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
Niles, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
23.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.16 μg/m³
0
55
155
255
425
605+
21.23 ppb
0
55
71
86
201
201+
1.66 ppb
0
36
76
186
605
1005+
8.68 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Niles, Ohio
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AQI 81
Moderate
24.67μg/m³
PM2.5
32.28μg/m³
PM10
19.08ppb
O3
1.58ppb
SO2
5.62ppb
NO2
0.20ppm
CO
AQI 67
Moderate
17.85μg/m³
PM2.5
70.12μg/m³
PM10
21.27ppb
O3
1.69ppb
SO2
5.62ppb
NO2
0.20ppm
CO
AQI 75
Moderate
21.81μg/m³
PM2.5
29.28μg/m³
PM10
17.86ppb
O3
2.00ppb
SO2
5.61ppb
NO2
0.20ppm
CO
AQI 77
Moderate
22.69μg/m³
PM2.5
97.66μg/m³
PM10
15.08ppb
O3
1.73ppb
SO2
5.60ppb
NO2
0.20ppm
CO
AQI 77
Moderate
22.67μg/m³
PM2.5
96.32μg/m³
PM10
15.17ppb
O3
1.73ppb
SO2
5.60ppb
NO2
0.20ppm
CO
AQI 66
Moderate
17.09μg/m³
PM2.5
73.15μg/m³
PM10
18.02ppb
O3
1.54ppb
SO2
5.66ppb
NO2
0.20ppm
CO
The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Niles, Ohio are available every hour.
Niles, Ohio experienced its worst air quality at 04:00:00, 2025-12-07.
The best air quality in Niles, Ohio was observed at 07:00:00 on 2025-12-06.
The air quality in Niles, Ohio right now is Moderate, with an AQI of 77.
In Niles, Ohio, PM2.5 is the most frequently found pollutant.
When air quality in Niles, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Niles, Ohio currently has a PM2.5 concentration of 23.201 μg/m3.
Niles, Ohio currently has a PM10 concentration of 34.159 μg/m3.
The current carbon monoxide (CO) level in Niles, Ohio is 0.198 ppm.
The current sulfur dioxide (SO2) concentration in Niles, Ohio is 1.661 ppb.
Niles, Ohio currently has an ozone (O3) concentration of 21.232 ppm.
The current level of nitrogen dioxide (NO2) in Niles, Ohio is 8.679 ppb.
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