Stay updated with real-time air quality in Cecil, 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)
45
Good
Cecil, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.59 μg/m³
0
55
155
255
425
605+
49.25 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
5.06 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cecil, Pennsylvania
Cecil, Pennsylvania
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AQI 47
Good
4.87μg/m³
PM2.5
20.89μg/m³
PM10
51.05ppb
O3
0.89ppb
SO2
5.08ppb
NO2
0.19ppm
CO
AQI 40
Good
4.51μg/m³
PM2.5
19.81μg/m³
PM10
43.02ppb
O3
0.84ppb
SO2
4.76ppb
NO2
0.20ppm
CO
AQI 42
Good
4.42μg/m³
PM2.5
16.23μg/m³
PM10
44.92ppb
O3
0.86ppb
SO2
4.89ppb
NO2
0.20ppm
CO
AQI 44
Good
4.65μg/m³
PM2.5
20.15μg/m³
PM10
47.36ppb
O3
0.86ppb
SO2
4.90ppb
NO2
0.20ppm
CO
AQI 48
Good
4.88μg/m³
PM2.5
20.94μg/m³
PM10
51.54ppb
O3
0.89ppb
SO2
5.09ppb
NO2
0.19ppm
CO
AQI 41
Good
4.62μg/m³
PM2.5
19.99μg/m³
PM10
43.73ppb
O3
0.85ppb
SO2
4.81ppb
NO2
0.20ppm
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 Cecil, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in Cecil, Pennsylvania was at its worst at 08:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Cecil, Pennsylvania was observed at 10:00:00 on 2026-07-23.
As of now, the AQI in Cecil, Pennsylvania is 45, indicating Good conditions.
Cecil, Pennsylvania air has the highest levels of O3.
Poor air quality in Cecil, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cecil, Pennsylvania are currently 4.777 μg/m3.
The PM10 concentration in Cecil, Pennsylvania is 20.588 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cecil, Pennsylvania is 0.193 ppm.
Currently, Cecil, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.883 ppb.
The current ozone (O3) level in Cecil, Pennsylvania at the moment is 49.254 ppm.
Nitrogen dioxide (NO2) level in Cecil, Pennsylvania at the moment is 5.063 ppb.
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