Stay updated with real-time air quality in Worcester, 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)
23
Good
Worcester, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.32 μg/m³
0
55
155
255
425
605+
24.94 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
11.72 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Worcester, Pennsylvania
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AQI 25
Good
3.18μg/m³
PM2.5
17.08μg/m³
PM10
26.93ppb
O3
0.27ppb
SO2
10.15ppb
NO2
0.26ppm
CO
AQI 23
Good
3.73μg/m³
PM2.5
16.13μg/m³
PM10
24.69ppb
O3
0.26ppb
SO2
8.45ppb
NO2
0.28ppm
CO
AQI 25
Good
2.86μg/m³
PM2.5
11.42μg/m³
PM10
26.92ppb
O3
0.27ppb
SO2
7.53ppb
NO2
0.26ppm
CO
AQI 24
Good
3.87μg/m³
PM2.5
16.86μg/m³
PM10
25.59ppb
O3
0.28ppb
SO2
7.67ppb
NO2
0.27ppm
CO
AQI 23
Good
3.84μg/m³
PM2.5
16.74μg/m³
PM10
25.25ppb
O3
0.28ppb
SO2
7.74ppb
NO2
0.27ppm
CO
AQI 25
Good
3.12μg/m³
PM2.5
13.60μg/m³
PM10
26.86ppb
O3
0.27ppb
SO2
7.54ppb
NO2
0.26ppm
CO
Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Worcester, Pennsylvania is updated every hour.
The worst air quality in Worcester, Pennsylvania in the last 24 hours was observed at 11:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Worcester, Pennsylvania was observed at 12:00:00 on 2025-10-23.
The current air quality in Worcester, Pennsylvania is 23, categorized as Good based on real-time data.
The most common pollutant in Worcester, Pennsylvania is O3.
If the air quality in Worcester, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Worcester, Pennsylvania is 3.818 μg/m3.
The current PM10 concentration at Worcester, Pennsylvania is 16.625 μg/m3.
The current carbon monoxide (CO) concentration at Worcester, Pennsylvania is 0.271 ppm.
The current sulfur dioxide (SO2) concentration at Worcester, Pennsylvania is 0.287 ppb.
The current ozone (O3) concentration at Worcester, Pennsylvania is 24.824 ppm.
The current nitrogen dioxide (NO2) concentration at Worcester, Pennsylvania is 7.845 ppb.
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