Stay updated with real-time air quality in Meridian, Mississippi 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)
54
Moderate
Meridian, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.64 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.63 μg/m³
0
55
155
255
425
605+
28.48 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
4.42 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Meridian, Mississippi
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AQI 33
Good
5.72μg/m³
PM2.5
24.55μg/m³
PM10
29.89ppb
O3
0.18ppb
SO2
1.46ppb
NO2
0.14ppm
CO
AQI 38
Good
6.63μg/m³
PM2.5
29.34μg/m³
PM10
33.33ppb
O3
0.59ppb
SO2
2.13ppb
NO2
0.16ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
23.28μg/m³
PM10
31.12ppb
O3
0.28ppb
SO2
1.92ppb
NO2
0.15ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
29.83μg/m³
PM10
33.22ppb
O3
0.21ppb
SO2
1.36ppb
NO2
0.14ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
29.95μg/m³
PM10
33.90ppb
O3
0.23ppb
SO2
1.36ppb
NO2
0.14ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
30.00μg/m³
PM10
29.72ppb
O3
0.25ppb
SO2
2.01ppb
NO2
0.15ppm
CO
Air quality data and pollutant measurements for Mississippi, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Meridian, Mississippi is updated every hour.
The worst air quality in Meridian, Mississippi in the last 24 hours was observed at 03:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Meridian, Mississippi was observed at 03:00:00 on 2026-04-24.
The current air quality in Meridian, Mississippi is 54, categorized as Moderate based on real-time data.
The most common pollutant in Meridian, Mississippi is PM2.5.
If the air quality in Meridian, Mississippi is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Meridian, Mississippi is 10.639 μg/m3.
The current PM10 concentration at Meridian, Mississippi is 37.628 μg/m3.
The current carbon monoxide (CO) concentration at Meridian, Mississippi is 0.29 ppm.
The current sulfur dioxide (SO2) concentration at Meridian, Mississippi is 0.73 ppb.
The current ozone (O3) concentration at Meridian, Mississippi is 28.479 ppm.
The current nitrogen dioxide (NO2) concentration at Meridian, Mississippi is 4.424 ppb.
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