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)
22
Good
Middle Smithfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.29 μg/m³
0
55
155
255
425
605+
19.54 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
7.32 ppb
0
54
101
361
1250
2050+
0.40 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 38
Good
6.74μg/m³
PM2.5
24.88μg/m³
PM10
14.99ppb
O3
0.66ppb
SO2
5.26ppb
NO2
0.36ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
27.18μg/m³
PM10
14.35ppb
O3
0.63ppb
SO2
5.01ppb
NO2
0.36ppm
CO
AQI 33
Good
5.84μg/m³
PM2.5
26.01μg/m³
PM10
17.11ppb
O3
0.60ppb
SO2
5.21ppb
NO2
0.36ppm
CO
AQI 38
Good
7.34μg/m³
PM2.5
24.87μg/m³
PM10
17.98ppb
O3
0.67ppb
SO2
6.22ppb
NO2
0.37ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
27.97μg/m³
PM10
16.77ppb
O3
0.62ppb
SO2
5.29ppb
NO2
0.36ppm
CO
AQI 33
Good
6.12μg/m³
PM2.5
17.94μg/m³
PM10
16.07ppb
O3
0.60ppb
SO2
5.33ppb
NO2
0.36ppm
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 2026-08-04.
In the last 24 hours, the best air quality in Middle Smithfield, Pennsylvania was observed at 03:00:00 on 2026-08-04.
As of now, the AQI in Middle Smithfield, Pennsylvania is 27, indicating Good conditions.
Middle Smithfield, Pennsylvania air has the highest levels of PM2.5.
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 5.378 μg/m3.
The PM10 concentration in Middle Smithfield, Pennsylvania is 24.494 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middle Smithfield, Pennsylvania is 0.437 ppm.
Currently, Middle Smithfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.646 ppb.
The current ozone (O3) level in Middle Smithfield, Pennsylvania at the moment is 13.039 ppm.
Nitrogen dioxide (NO2) level in Middle Smithfield, Pennsylvania at the moment is 5.227 ppb.
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