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)
33
Good
Middle Smithfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.84 μg/m³
0
55
155
255
425
605+
35.70 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
3.18 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Middle Smithfield, Pennsylvania
Middle Smithfield, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 34
Good
3.34μg/m³
PM2.5
15.24μg/m³
PM10
37.48ppb
O3
0.60ppb
SO2
5.47ppb
NO2
0.25ppm
CO
AQI 37
Good
3.52μg/m³
PM2.5
15.23μg/m³
PM10
39.68ppb
O3
0.66ppb
SO2
5.85ppb
NO2
0.33ppm
CO
AQI 37
Good
3.65μg/m³
PM2.5
15.84μg/m³
PM10
39.83ppb
O3
0.68ppb
SO2
6.05ppb
NO2
0.33ppm
CO
AQI 35
Good
3.66μg/m³
PM2.5
20.06μg/m³
PM10
38.09ppb
O3
0.59ppb
SO2
5.11ppb
NO2
0.24ppm
CO
AQI 33
Good
3.88μg/m³
PM2.5
20.29μg/m³
PM10
35.81ppb
O3
0.65ppb
SO2
5.12ppb
NO2
0.33ppm
CO
AQI 34
Good
4.03μg/m³
PM2.5
17.70μg/m³
PM10
37.05ppb
O3
0.68ppb
SO2
5.26ppb
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 12:00:00 on 2026-01-24.
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 37, 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 3.591 μg/m3.
The PM10 concentration in Middle Smithfield, Pennsylvania is 19.796 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middle Smithfield, Pennsylvania is 0.337 ppm.
Currently, Middle Smithfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.655 ppb.
The current ozone (O3) level in Middle Smithfield, Pennsylvania at the moment is 40.473 ppm.
Nitrogen dioxide (NO2) level in Middle Smithfield, Pennsylvania at the moment is 5.32 ppb.
All Rights Reserved © Ambee Inc. 2025