Stay updated with real-time air quality in Richmond, Indiana 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)
33
Good
Richmond, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.21 μg/m³
0
55
155
255
425
605+
36.10 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
4.81 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Richmond, Indiana
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AQI 31
Good
4.78μg/m³
PM2.5
14.28μg/m³
PM10
32.63ppb
O3
0.89ppb
SO2
5.69ppb
NO2
0.14ppm
CO
AQI 31
Good
4.77μg/m³
PM2.5
18.68μg/m³
PM10
34.34ppb
O3
0.79ppb
SO2
5.13ppb
NO2
0.13ppm
CO
AQI 31
Good
4.35μg/m³
PM2.5
16.40μg/m³
PM10
34.13ppb
O3
0.91ppb
SO2
5.66ppb
NO2
0.14ppm
CO
AQI 32
Good
4.68μg/m³
PM2.5
20.67μg/m³
PM10
34.81ppb
O3
0.78ppb
SO2
5.28ppb
NO2
0.14ppm
CO
AQI 33
Good
4.59μg/m³
PM2.5
15.21μg/m³
PM10
36.23ppb
O3
1.16ppb
SO2
5.41ppb
NO2
0.13ppm
CO
AQI 33
Good
4.72μg/m³
PM2.5
24.93μg/m³
PM10
35.92ppb
O3
1.18ppb
SO2
5.37ppb
NO2
0.13ppm
CO
Air quality and pollutant data for Indiana, 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 Richmond, Indiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Richmond, Indiana was at its worst at 05:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Richmond, Indiana was observed at 09:00:00 on 2026-03-09.
As of now, the AQI in Richmond, Indiana is 33, indicating Good conditions.
Richmond, Indiana air has the highest levels of O3.
Poor air quality in Richmond, Indiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Richmond, Indiana are currently 4.258 μg/m3.
The PM10 concentration in Richmond, Indiana is 26.213 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Richmond, Indiana is 0.12 ppm.
Currently, Richmond, Indiana has a sulfur dioxide (SO2) concentration of 0.741 ppb.
The current ozone (O3) level in Richmond, Indiana at the moment is 36.098 ppm.
Nitrogen dioxide (NO2) level in Richmond, Indiana at the moment is 4.809 ppb.
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