Stay updated with real-time air quality in Ilchester, 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)
41
Good
Ilchester, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.43 μg/m³
0
55
155
255
425
605+
44.20 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
4.22 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ilchester, Maryland
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AQI 42
Good
3.15μg/m³
PM2.5
12.63μg/m³
PM10
44.63ppb
O3
0.24ppb
SO2
4.23ppb
NO2
0.18ppm
CO
AQI 38
Good
3.98μg/m³
PM2.5
16.38μg/m³
PM10
41.41ppb
O3
0.24ppb
SO2
5.68ppb
NO2
0.18ppm
CO
AQI 42
Good
3.14μg/m³
PM2.5
12.70μg/m³
PM10
45.12ppb
O3
0.24ppb
SO2
5.17ppb
NO2
0.19ppm
CO
AQI 43
Good
3.42μg/m³
PM2.5
14.39μg/m³
PM10
45.59ppb
O3
0.25ppb
SO2
4.53ppb
NO2
0.19ppm
CO
AQI 41
Good
3.16μg/m³
PM2.5
13.62μg/m³
PM10
44.12ppb
O3
0.23ppb
SO2
3.91ppb
NO2
0.18ppm
CO
AQI 43
Good
3.74μg/m³
PM2.5
15.78μg/m³
PM10
45.83ppb
O3
0.25ppb
SO2
4.25ppb
NO2
0.19ppm
CO
Air quality and pollutant data for Maryland, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Ilchester, Maryland is updated every hour for accuracy.
In the past 24 hours, the air quality in Ilchester, Maryland was at its worst at 12:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Ilchester, Maryland was observed at 07:00:00 on 2026-03-09.
As of now, the AQI in Ilchester, Maryland is 41, indicating Good conditions.
Ilchester, Maryland air has the highest levels of O3.
Poor air quality in Ilchester, Maryland means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Ilchester, Maryland are currently 3.712 μg/m3.
The PM10 concentration in Ilchester, Maryland is 16.434 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ilchester, Maryland is 0.186 ppm.
Currently, Ilchester, Maryland has a sulfur dioxide (SO2) concentration of 0.187 ppb.
The current ozone (O3) level in Ilchester, Maryland at the moment is 44.204 ppm.
Nitrogen dioxide (NO2) level in Ilchester, Maryland at the moment is 4.223 ppb.
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