Stay updated with real-time air quality in Emmaus, 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)
22
Good
Emmaus, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.28 μg/m³
0
55
155
255
425
605+
10.60 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
6.00 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Emmaus, Pennsylvania
Emmaus, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 22
Good
4.38μg/m³
PM2.5
17.02μg/m³
PM10
14.71ppb
O3
0.43ppb
SO2
5.86ppb
NO2
0.27ppm
CO
AQI 22
Good
3.59μg/m³
PM2.5
15.96μg/m³
PM10
11.79ppb
O3
0.44ppb
SO2
6.18ppb
NO2
0.27ppm
CO
AQI 22
Good
3.60μg/m³
PM2.5
16.00μg/m³
PM10
11.52ppb
O3
0.44ppb
SO2
6.17ppb
NO2
0.27ppm
CO
AQI 22
Good
3.52μg/m³
PM2.5
15.37μg/m³
PM10
10.04ppb
O3
0.43ppb
SO2
6.07ppb
NO2
0.27ppm
CO
AQI 22
Good
3.78μg/m³
PM2.5
17.13μg/m³
PM10
10.72ppb
O3
0.44ppb
SO2
6.05ppb
NO2
0.27ppm
CO
AQI 22
Good
4.45μg/m³
PM2.5
19.09μg/m³
PM10
12.18ppb
O3
0.44ppb
SO2
5.93ppb
NO2
0.27ppm
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 Emmaus, Pennsylvania is updated every hour.
The worst air quality in Emmaus, Pennsylvania in the last 24 hours was observed at 03:00:00 on 2026-08-06.
In the last 24 hrs, the best air quality in Emmaus, Pennsylvania was observed at 06:00:00 on 2026-08-06.
The current air quality in Emmaus, Pennsylvania is 22, categorized as Good based on real-time data.
The most common pollutant in Emmaus, Pennsylvania is PM2.5.
If the air quality in Emmaus, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Emmaus, Pennsylvania is 3.816 μg/m3.
The current PM10 concentration at Emmaus, Pennsylvania is 17.283 μg/m3.
The current carbon monoxide (CO) concentration at Emmaus, Pennsylvania is 0.274 ppm.
The current sulfur dioxide (SO2) concentration at Emmaus, Pennsylvania is 0.434 ppb.
The current ozone (O3) concentration at Emmaus, Pennsylvania is 10.597 ppm.
The current nitrogen dioxide (NO2) concentration at Emmaus, Pennsylvania is 6.005 ppb.
All Rights Reserved © Ambee Inc. 2025