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)
27
Good
Ilchester, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.06 μg/m³
0
55
155
255
425
605+
18.45 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
21.73 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Ilchester, Maryland
Ilchester, Maryland
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AQI 27
Good
4.54μg/m³
PM2.5
19.05μg/m³
PM10
18.61ppb
O3
0.75ppb
SO2
21.56ppb
NO2
0.31ppm
CO
AQI 52
Moderate
9.93μg/m³
PM2.5
52.70μg/m³
PM10
11.74ppb
O3
0.83ppb
SO2
22.23ppb
NO2
0.36ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
20.10μg/m³
PM10
13.55ppb
O3
0.73ppb
SO2
26.49ppb
NO2
0.36ppm
CO
AQI 49
Good
9.12μg/m³
PM2.5
30.60μg/m³
PM10
7.32ppb
O3
0.81ppb
SO2
24.15ppb
NO2
0.37ppm
CO
AQI 22
Good
3.98μg/m³
PM2.5
17.46μg/m³
PM10
20.37ppb
O3
0.76ppb
SO2
20.49ppb
NO2
0.30ppm
CO
AQI 49
Good
9.17μg/m³
PM2.5
30.50μg/m³
PM10
10.32ppb
O3
0.81ppb
SO2
23.91ppb
NO2
0.37ppm
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 05:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Ilchester, Maryland was observed at 08:00:00 on 2026-01-23.
As of now, the AQI in Ilchester, Maryland is 27, indicating Good conditions.
Ilchester, Maryland air has the highest levels of PM2.5.
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 4.54 μg/m3.
The PM10 concentration in Ilchester, Maryland is 19.059 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ilchester, Maryland is 0.312 ppm.
Currently, Ilchester, Maryland has a sulfur dioxide (SO2) concentration of 0.749 ppb.
The current ozone (O3) level in Ilchester, Maryland at the moment is 18.45 ppm.
Nitrogen dioxide (NO2) level in Ilchester, Maryland at the moment is 21.728 ppb.
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