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)
37
Good
Middle Smithfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.80 μg/m³
0
55
155
255
425
605+
40.47 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
5.32 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 31
Good
3.33μg/m³
PM2.5
14.50μg/m³
PM10
32.65ppb
O3
0.63ppb
SO2
3.06ppb
NO2
0.28ppm
CO
AQI 24
Good
2.93μg/m³
PM2.5
11.45μg/m³
PM10
26.48ppb
O3
0.69ppb
SO2
2.94ppb
NO2
0.32ppm
CO
AQI 40
Good
3.15μg/m³
PM2.5
14.07μg/m³
PM10
42.69ppb
O3
0.68ppb
SO2
3.04ppb
NO2
0.32ppm
CO
AQI 30
Good
3.33μg/m³
PM2.5
14.35μg/m³
PM10
31.68ppb
O3
0.58ppb
SO2
3.38ppb
NO2
0.27ppm
CO
AQI 37
Good
3.38μg/m³
PM2.5
14.76μg/m³
PM10
40.46ppb
O3
0.63ppb
SO2
3.28ppb
NO2
0.32ppm
CO
AQI 38
Good
3.40μg/m³
PM2.5
14.89μg/m³
PM10
41.29ppb
O3
0.67ppb
SO2
3.19ppb
NO2
0.33ppm
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 09:00:00 on 2026-01-23.
In the last 24 hours, the best air quality in Middle Smithfield, Pennsylvania was observed at 12:00:00 on 2026-01-23.
As of now, the AQI in Middle Smithfield, Pennsylvania is 28, 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 2.917 μg/m3.
The PM10 concentration in Middle Smithfield, Pennsylvania is 11.62 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middle Smithfield, Pennsylvania is 0.338 ppm.
Currently, Middle Smithfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.632 ppb.
The current ozone (O3) level in Middle Smithfield, Pennsylvania at the moment is 29.98 ppm.
Nitrogen dioxide (NO2) level in Middle Smithfield, Pennsylvania at the moment is 3.12 ppb.
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