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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.93 μg/m³
0
55
155
255
425
605+
16.73 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
6.04 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Washington, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 33
Good
6.20μg/m³
PM2.5
27.55μg/m³
PM10
21.30ppb
O3
0.82ppb
SO2
5.87ppb
NO2
0.24ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
25.95μg/m³
PM10
30.93ppb
O3
0.84ppb
SO2
5.98ppb
NO2
0.22ppm
CO
AQI 38
Good
6.96μg/m³
PM2.5
30.86μg/m³
PM10
23.80ppb
O3
0.79ppb
SO2
5.58ppb
NO2
0.26ppm
CO
AQI 38
Good
5.62μg/m³
PM2.5
24.58μg/m³
PM10
40.50ppb
O3
0.85ppb
SO2
5.99ppb
NO2
0.21ppm
CO
AQI 38
Good
6.68μg/m³
PM2.5
30.64μg/m³
PM10
24.44ppb
O3
0.81ppb
SO2
5.98ppb
NO2
0.25ppm
CO
AQI 38
Good
6.96μg/m³
PM2.5
31.05μg/m³
PM10
23.72ppb
O3
0.79ppb
SO2
5.97ppb
NO2
0.25ppm
CO
Air quality measurements for Pennsylvania, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Washington, Pennsylvania is updated on an hourly basis.
The worst air quality in Washington, Pennsylvania was recorded at 08:00:00 on 2026-06-07.
The best air quality in Washington, Pennsylvania was recorded at 07:00:00 on 2026-06-08.
The real-time air quality index in Washington, Pennsylvania is 33, currently categorized as Good.
The most common pollutant in Washington, Pennsylvania is PM2.5.
If the air quality in Washington, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Washington, Pennsylvania at present are 6.274 μg/m3.
The current PM10 levels in Washington, Pennsylvania are 27.929 μg/m3.
The current carbon monoxide (CO) level in Washington, Pennsylvania is 0.247 ppm.
The current sulfur dioxide (SO2) levels in Washington, Pennsylvania are 0.834 ppb.
The current ozone (O3) levels at Washington, Pennsylvania is 16.729 ppm.
The current nitrogen dioxide (NO2) levels at Washington, Pennsylvania is 6.04 ppb.
All Rights Reserved © Ambee Inc. 2025