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)
81
Moderate
Sidney, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
25.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
94.62 μg/m³
0
55
155
255
425
605+
48.98 ppb
0
55
71
86
201
201+
1.27 ppb
0
36
76
186
605
1005+
5.50 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Sidney, Ohio
Sidney, Ohio
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AQI 77
Moderate
23.05μg/m³
PM2.5
74.51μg/m³
PM10
51.51ppb
O3
1.30ppb
SO2
5.33ppb
NO2
0.19ppm
CO
AQI 82
Moderate
25.77μg/m³
PM2.5
78.99μg/m³
PM10
52.04ppb
O3
1.33ppb
SO2
5.46ppb
NO2
0.19ppm
CO
AQI 84
Moderate
26.50μg/m³
PM2.5
98.55μg/m³
PM10
51.71ppb
O3
1.32ppb
SO2
8.02ppb
NO2
0.18ppm
CO
AQI 79
Moderate
24.01μg/m³
PM2.5
98.50μg/m³
PM10
51.93ppb
O3
1.34ppb
SO2
5.26ppb
NO2
0.19ppm
CO
AQI 82
Moderate
25.92μg/m³
PM2.5
88.82μg/m³
PM10
52.07ppb
O3
1.45ppb
SO2
6.02ppb
NO2
0.18ppm
CO
AQI 79
Moderate
24.39μg/m³
PM2.5
104.89μg/m³
PM10
51.83ppb
O3
1.36ppb
SO2
5.18ppb
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 Sidney, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Sidney, Ohio was at its worst at 12:00:00 on 2025-06-04.
In the last 24 hours, the best air quality in Sidney, Ohio was observed at 01:00:00 on 2025-06-04.
As of now, the AQI in Sidney, Ohio is 81, 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 25.06 μg/m3.
The PM10 concentration in Sidney, Ohio is 94.616 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sidney, Ohio is 0.19 ppm.
Currently, Sidney, Ohio has a sulfur dioxide (SO2) concentration of 1.27 ppb.
The current ozone (O3) level in Sidney, Ohio at the moment is 48.977 ppm.
Nitrogen dioxide (NO2) level in Sidney, Ohio at the moment is 5.495 ppb.
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