Stay updated with real-time air quality in Sidney, 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)
62
Moderate
Sidney, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
14.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.93 μg/m³
0
55
155
255
425
605+
33.79 ppb
0
55
71
86
201
201+
1.40 ppb
0
36
76
186
605
1005+
12.81 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sidney, Ohio
Sidney, Ohio
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AQI 86
Moderate
27.72μg/m³
PM2.5
110.46μg/m³
PM10
43.91ppb
O3
1.18ppb
SO2
6.54ppb
NO2
0.25ppm
CO
AQI 86
Moderate
28.47μg/m³
PM2.5
96.73μg/m³
PM10
41.75ppb
O3
1.27ppb
SO2
7.26ppb
NO2
0.25ppm
CO
AQI 79
Moderate
24.07μg/m³
PM2.5
62.31μg/m³
PM10
48.33ppb
O3
1.16ppb
SO2
5.84ppb
NO2
0.24ppm
CO
AQI 86
Moderate
27.54μg/m³
PM2.5
112.97μg/m³
PM10
48.49ppb
O3
1.32ppb
SO2
6.85ppb
NO2
0.25ppm
CO
AQI 81
Moderate
25.34μg/m³
PM2.5
77.03μg/m³
PM10
42.14ppb
O3
1.22ppb
SO2
6.69ppb
NO2
0.24ppm
CO
AQI 88
Moderate
29.09μg/m³
PM2.5
99.13μg/m³
PM10
46.53ppb
O3
1.36ppb
SO2
6.97ppb
NO2
0.25ppm
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 Sidney, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Sidney, Ohio was at its worst at 11:00:00 on 2025-07-21.
In the last 24 hours, the best air quality in Sidney, Ohio was observed at 03:00:00 on 2025-07-21.
As of now, the AQI in Sidney, Ohio is 84, indicating Moderate conditions.
Sidney, Ohio air has the highest levels of PM2.5.
Poor air quality in Sidney, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Sidney, Ohio are currently 26.628 μg/m3.
The PM10 concentration in Sidney, Ohio is 62.642 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sidney, Ohio is 0.26 ppm.
Currently, Sidney, Ohio has a sulfur dioxide (SO2) concentration of 1.143 ppb.
The current ozone (O3) level in Sidney, Ohio at the moment is 44.12 ppm.
Nitrogen dioxide (NO2) level in Sidney, Ohio at the moment is 6.892 ppb.
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