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)
49
Good
Middle Smithfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.70 μg/m³
0
55
155
255
425
605+
29.85 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
23.57 ppb
0
54
101
361
1250
2050+
0.48 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Middle Smithfield, Pennsylvania
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AQI 54
Moderate
10.76μg/m³
PM2.5
50.29μg/m³
PM10
25.57ppb
O3
0.76ppb
SO2
23.86ppb
NO2
0.42ppm
CO
AQI 52
Moderate
9.65μg/m³
PM2.5
31.42μg/m³
PM10
15.60ppb
O3
0.75ppb
SO2
26.63ppb
NO2
0.38ppm
CO
AQI 52
Moderate
9.90μg/m³
PM2.5
44.56μg/m³
PM10
17.98ppb
O3
0.74ppb
SO2
27.78ppb
NO2
0.38ppm
CO
AQI 54
Moderate
10.58μg/m³
PM2.5
35.65μg/m³
PM10
40.95ppb
O3
0.79ppb
SO2
19.41ppb
NO2
0.42ppm
CO
AQI 38
Good
6.78μg/m³
PM2.5
24.72μg/m³
PM10
31.23ppb
O3
0.75ppb
SO2
19.92ppb
NO2
0.38ppm
CO
AQI 38
Good
6.92μg/m³
PM2.5
19.17μg/m³
PM10
24.55ppb
O3
0.75ppb
SO2
22.62ppb
NO2
0.38ppm
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 05:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Middle Smithfield, Pennsylvania was observed at 11:00:00 on 2026-03-10.
As of now, the AQI in Middle Smithfield, Pennsylvania is 49, 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 9.038 μg/m3.
The PM10 concentration in Middle Smithfield, Pennsylvania is 40.705 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middle Smithfield, Pennsylvania is 0.478 ppm.
Currently, Middle Smithfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.724 ppb.
The current ozone (O3) level in Middle Smithfield, Pennsylvania at the moment is 29.853 ppm.
Nitrogen dioxide (NO2) level in Middle Smithfield, Pennsylvania at the moment is 23.57 ppb.
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