Stay updated with real-time air quality in Middle Smithfield, Pennsylvania 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)
36
Good
Middle Smithfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.36 μg/m³
0
55
155
255
425
605+
38.73 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
13.28 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Middle Smithfield, Pennsylvania
Middle Smithfield, Pennsylvania
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AQI 34
Good
5.91μg/m³
PM2.5
30.37μg/m³
PM10
36.97ppb
O3
0.44ppb
SO2
12.24ppb
NO2
0.28ppm
CO
AQI 36
Good
5.17μg/m³
PM2.5
19.06μg/m³
PM10
38.83ppb
O3
0.45ppb
SO2
12.48ppb
NO2
0.22ppm
CO
AQI 35
Good
4.77μg/m³
PM2.5
20.95μg/m³
PM10
37.67ppb
O3
0.44ppb
SO2
12.18ppb
NO2
0.22ppm
CO
AQI 34
Good
6.38μg/m³
PM2.5
20.87μg/m³
PM10
36.51ppb
O3
0.43ppb
SO2
10.76ppb
NO2
0.29ppm
CO
AQI 38
Good
4.65μg/m³
PM2.5
20.10μg/m³
PM10
41.48ppb
O3
0.43ppb
SO2
11.15ppb
NO2
0.22ppm
CO
AQI 38
Good
4.66μg/m³
PM2.5
19.82μg/m³
PM10
40.71ppb
O3
0.43ppb
SO2
10.31ppb
NO2
0.22ppm
CO
Air quality and pollutant data for Pennsylvania, 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 Middle Smithfield, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in Middle Smithfield, Pennsylvania was at its worst at 10:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in Middle Smithfield, Pennsylvania was observed at 10:00:00 on 2026-04-25.
As of now, the AQI in Middle Smithfield, Pennsylvania is 36, indicating Good conditions.
Middle Smithfield, Pennsylvania air has the highest levels of O3.
Poor air quality in Middle Smithfield, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Middle Smithfield, Pennsylvania are currently 5.272 μg/m3.
The PM10 concentration in Middle Smithfield, Pennsylvania is 22.357 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middle Smithfield, Pennsylvania is 0.336 ppm.
Currently, Middle Smithfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.442 ppb.
The current ozone (O3) level in Middle Smithfield, Pennsylvania at the moment is 38.73 ppm.
Nitrogen dioxide (NO2) level in Middle Smithfield, Pennsylvania at the moment is 13.28 ppb.
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