Stay updated with real-time air quality in Silver Spring, 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)
40
Good
Silver Spring, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.80 μg/m³
0
55
155
255
425
605+
43.50 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
2.67 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Silver Spring, Maryland
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AQI 38
Good
6.54μg/m³
PM2.5
32.23μg/m³
PM10
40.32ppb
O3
0.44ppb
SO2
2.87ppb
NO2
0.18ppm
CO
AQI 36
Good
6.07μg/m³
PM2.5
29.23μg/m³
PM10
39.25ppb
O3
0.44ppb
SO2
3.43ppb
NO2
0.18ppm
CO
AQI 37
Good
5.65μg/m³
PM2.5
26.97μg/m³
PM10
39.73ppb
O3
0.44ppb
SO2
3.69ppb
NO2
0.18ppm
CO
AQI 37
Good
5.45μg/m³
PM2.5
26.00μg/m³
PM10
39.54ppb
O3
0.41ppb
SO2
3.40ppb
NO2
0.17ppm
CO
AQI 40
Good
4.18μg/m³
PM2.5
20.22μg/m³
PM10
42.52ppb
O3
0.42ppb
SO2
3.18ppb
NO2
0.17ppm
CO
AQI 37
Good
4.92μg/m³
PM2.5
22.35μg/m³
PM10
40.43ppb
O3
0.46ppb
SO2
3.27ppb
NO2
0.18ppm
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 Silver Spring, Maryland are available every hour.
Silver Spring, Maryland experienced its worst air quality at 06:00:00, 2026-03-09.
The best air quality in Silver Spring, Maryland was observed at 09:00:00 on 2026-03-09.
The air quality in Silver Spring, Maryland right now is Good, with an AQI of 40.
In Silver Spring, Maryland, O3 is the most frequently found pollutant.
When air quality in Silver Spring, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.
Silver Spring, Maryland currently has a PM2.5 concentration of 5.031 μg/m3.
Silver Spring, Maryland currently has a PM10 concentration of 24.802 μg/m3.
The current carbon monoxide (CO) level in Silver Spring, Maryland is 0.246 ppm.
The current sulfur dioxide (SO2) concentration in Silver Spring, Maryland is 0.38 ppb.
Silver Spring, Maryland currently has an ozone (O3) concentration of 43.498 ppm.
The current level of nitrogen dioxide (NO2) in Silver Spring, Maryland is 2.674 ppb.
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