Stay updated with real-time air quality in Pasadena, Maryland 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)
77
Moderate
Pasadena, Maryland
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.39 μg/m³
0
55
155
255
425
605+
63.23 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
4.82 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Pasadena, Maryland
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AQI 52
Moderate
9.61μg/m³
PM2.5
33.55μg/m³
PM10
7.35ppb
O3
0.30ppb
SO2
11.48ppb
NO2
0.35ppm
CO
AQI 49
Good
9.31μg/m³
PM2.5
33.41μg/m³
PM10
6.63ppb
O3
0.31ppb
SO2
11.22ppb
NO2
0.35ppm
CO
AQI 52
Moderate
9.66μg/m³
PM2.5
45.42μg/m³
PM10
8.70ppb
O3
0.35ppb
SO2
11.79ppb
NO2
0.37ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
32.61μg/m³
PM10
6.73ppb
O3
0.32ppb
SO2
11.34ppb
NO2
0.35ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
45.40μg/m³
PM10
8.50ppb
O3
0.34ppb
SO2
11.53ppb
NO2
0.36ppm
CO
AQI 49
Good
9.19μg/m³
PM2.5
32.30μg/m³
PM10
6.25ppb
O3
0.33ppb
SO2
11.29ppb
NO2
0.35ppm
CO
The air quality data for Maryland, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Pasadena, Maryland are available every hour.
Pasadena, Maryland experienced its worst air quality at 11:00:00, 2025-07-29.
The best air quality in Pasadena, Maryland was observed at 12:00:00 on 2025-07-28.
The air quality in Pasadena, Maryland right now is Moderate, with an AQI of 52.
In Pasadena, Maryland, PM2.5 is the most frequently found pollutant.
When air quality in Pasadena, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.
Pasadena, Maryland currently has a PM2.5 concentration of 9.605 μg/m3.
Pasadena, Maryland currently has a PM10 concentration of 33.553 μg/m3.
The current carbon monoxide (CO) level in Pasadena, Maryland is 0.351 ppm.
The current sulfur dioxide (SO2) concentration in Pasadena, Maryland is 0.299 ppb.
Pasadena, Maryland currently has an ozone (O3) concentration of 7.354 ppm.
The current level of nitrogen dioxide (NO2) in Pasadena, Maryland is 11.483 ppb.
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