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)
24
Good
Sidney, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.12 μg/m³
0
55
155
255
425
605+
25.61 ppb
0
55
71
86
201
201+
2.44 ppb
0
36
76
186
605
1005+
9.88 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sidney, Ohio
Sidney, Ohio
Scroll To Air Quality MapLoading...
AQI 33
Good
5.51μg/m³
PM2.5
17.48μg/m³
PM10
32.51ppb
O3
2.04ppb
SO2
13.89ppb
NO2
0.18ppm
CO
AQI 30
Good
4.72μg/m³
PM2.5
18.95μg/m³
PM10
32.15ppb
O3
1.93ppb
SO2
13.99ppb
NO2
0.22ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
21.04μg/m³
PM10
31.87ppb
O3
2.35ppb
SO2
4.83ppb
NO2
0.17ppm
CO
AQI 30
Good
4.89μg/m³
PM2.5
21.30μg/m³
PM10
31.74ppb
O3
1.84ppb
SO2
14.23ppb
NO2
0.22ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
16.92μg/m³
PM10
29.98ppb
O3
2.10ppb
SO2
9.58ppb
NO2
0.17ppm
CO
AQI 30
Good
4.92μg/m³
PM2.5
21.44μg/m³
PM10
31.58ppb
O3
1.73ppb
SO2
14.61ppb
NO2
0.23ppm
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 10:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Sidney, Ohio was observed at 05:00:00 on 2026-01-23.
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 5.534 μg/m3.
The PM10 concentration in Sidney, Ohio is 21.848 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Sidney, Ohio is 0.175 ppm.
Currently, Sidney, Ohio has a sulfur dioxide (SO2) concentration of 2.287 ppb.
The current ozone (O3) level in Sidney, Ohio at the moment is 32.329 ppm.
Nitrogen dioxide (NO2) level in Sidney, Ohio at the moment is 13.426 ppb.
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