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)
38
Good
Meridian, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.14 μg/m³
0
55
155
255
425
605+
16.66 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
3.02 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Meridian, Mississippi
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AQI 38
Good
6.59μg/m³
PM2.5
17.57μg/m³
PM10
18.57ppb
O3
0.98ppb
SO2
4.06ppb
NO2
0.34ppm
CO
AQI 44
Good
8.36μg/m³
PM2.5
37.00μg/m³
PM10
15.12ppb
O3
1.66ppb
SO2
3.20ppb
NO2
0.17ppm
CO
AQI 38
Good
6.66μg/m³
PM2.5
19.99μg/m³
PM10
16.98ppb
O3
1.07ppb
SO2
4.13ppb
NO2
0.24ppm
CO
AQI 44
Good
8.18μg/m³
PM2.5
35.92μg/m³
PM10
18.69ppb
O3
1.01ppb
SO2
4.34ppb
NO2
0.34ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
35.99μg/m³
PM10
18.70ppb
O3
1.01ppb
SO2
4.34ppb
NO2
0.34ppm
CO
AQI 38
Good
7.31μg/m³
PM2.5
34.67μg/m³
PM10
15.22ppb
O3
1.05ppb
SO2
4.14ppb
NO2
0.26ppm
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 01:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Meridian, Mississippi was observed at 10:00:00 on 2025-12-06.
The current air quality in Meridian, Mississippi is 38, categorized as Good 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 7.482 μg/m3.
The current PM10 concentration at Meridian, Mississippi is 33.136 μg/m3.
The current carbon monoxide (CO) concentration at Meridian, Mississippi is 0.371 ppm.
The current sulfur dioxide (SO2) concentration at Meridian, Mississippi is 0.928 ppb.
The current ozone (O3) concentration at Meridian, Mississippi is 16.656 ppm.
The current nitrogen dioxide (NO2) concentration at Meridian, Mississippi is 3.022 ppb.
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