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)
42
Good
Richmond, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.15 μg/m³
0
55
155
255
425
605+
44.70 ppb
0
55
71
86
201
201+
1.98 ppb
0
36
76
186
605
1005+
7.79 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Richmond, Indiana
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AQI 38
Good
4.76μg/m³
PM2.5
20.05μg/m³
PM10
41.28ppb
O3
1.44ppb
SO2
8.40ppb
NO2
0.13ppm
CO
AQI 41
Good
4.80μg/m³
PM2.5
16.61μg/m³
PM10
43.74ppb
O3
2.20ppb
SO2
7.41ppb
NO2
0.12ppm
CO
AQI 44
Good
4.44μg/m³
PM2.5
15.16μg/m³
PM10
47.95ppb
O3
1.78ppb
SO2
9.03ppb
NO2
0.12ppm
CO
AQI 38
Good
4.44μg/m³
PM2.5
16.73μg/m³
PM10
41.42ppb
O3
2.02ppb
SO2
8.12ppb
NO2
0.14ppm
CO
AQI 44
Good
4.54μg/m³
PM2.5
16.27μg/m³
PM10
48.36ppb
O3
1.94ppb
SO2
7.54ppb
NO2
0.12ppm
CO
AQI 44
Good
4.58μg/m³
PM2.5
16.26μg/m³
PM10
46.72ppb
O3
1.89ppb
SO2
7.63ppb
NO2
0.12ppm
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 09:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Richmond, Indiana was observed at 09:00:00 on 2026-07-23.
As of now, the AQI in Richmond, Indiana is 42, 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 4.467 μg/m3.
The PM10 concentration in Richmond, Indiana is 13.148 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Richmond, Indiana is 0.111 ppm.
Currently, Richmond, Indiana has a sulfur dioxide (SO2) concentration of 1.977 ppb.
The current ozone (O3) level in Richmond, Indiana at the moment is 44.701 ppm.
Nitrogen dioxide (NO2) level in Richmond, Indiana at the moment is 7.785 ppb.
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