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)
33
Good
Sidney, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.87 μg/m³
0
55
155
255
425
605+
16.33 ppb
0
55
71
86
201
201+
1.93 ppb
0
36
76
186
605
1005+
4.92 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 33
Good
6.04μg/m³
PM2.5
20.88μg/m³
PM10
15.94ppb
O3
1.97ppb
SO2
5.33ppb
NO2
0.27ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
18.97μg/m³
PM10
14.28ppb
O3
2.03ppb
SO2
5.28ppb
NO2
0.28ppm
CO
AQI 27
Good
5.12μg/m³
PM2.5
18.88μg/m³
PM10
18.00ppb
O3
1.85ppb
SO2
5.01ppb
NO2
0.29ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
16.98μg/m³
PM10
17.08ppb
O3
2.05ppb
SO2
5.39ppb
NO2
0.26ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
20.36μg/m³
PM10
13.54ppb
O3
1.99ppb
SO2
5.04ppb
NO2
0.28ppm
CO
AQI 33
Good
5.87μg/m³
PM2.5
24.69μg/m³
PM10
17.32ppb
O3
2.08ppb
SO2
5.44ppb
NO2
0.26ppm
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 09:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Sidney, Ohio was observed at 09:00:00 on 2026-09-07.
As of now, the AQI in Sidney, Ohio is 33, indicating Good 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 5.704 μg/m3.
The PM10 concentration in Sidney, Ohio is 20.874 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sidney, Ohio is 0.279 ppm.
Currently, Sidney, Ohio has a sulfur dioxide (SO2) concentration of 1.931 ppb.
The current ozone (O3) level in Sidney, Ohio at the moment is 16.332 ppm.
Nitrogen dioxide (NO2) level in Sidney, Ohio at the moment is 4.918 ppb.
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