Stay updated with real-time air quality in Griffith, 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)
22
Good
Griffith, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.35 μg/m³
0
55
155
255
425
605+
19.77 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
21.09 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Griffith, Indiana
Griffith, Indiana
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AQI 16
Good
2.35μg/m³
PM2.5
9.70μg/m³
PM10
17.44ppb
O3
0.40ppb
SO2
3.33ppb
NO2
0.27ppm
CO
AQI 16
Good
2.41μg/m³
PM2.5
9.99μg/m³
PM10
17.29ppb
O3
0.38ppb
SO2
3.33ppb
NO2
0.27ppm
CO
AQI 17
Good
2.30μg/m³
PM2.5
9.39μg/m³
PM10
17.83ppb
O3
0.39ppb
SO2
3.31ppb
NO2
0.27ppm
CO
AQI 17
Good
2.09μg/m³
PM2.5
8.41μg/m³
PM10
17.90ppb
O3
0.40ppb
SO2
3.31ppb
NO2
0.27ppm
CO
AQI 17
Good
2.46μg/m³
PM2.5
10.15μg/m³
PM10
17.76ppb
O3
0.39ppb
SO2
3.31ppb
NO2
0.27ppm
CO
AQI 17
Good
2.49μg/m³
PM2.5
8.94μg/m³
PM10
17.90ppb
O3
0.35ppb
SO2
3.27ppb
NO2
0.27ppm
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 Griffith, Indiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Griffith, Indiana was at its worst at 03:00:00 on 2025-10-22.
In the last 24 hours, the best air quality in Griffith, Indiana was observed at 08:00:00 on 2025-10-22.
As of now, the AQI in Griffith, Indiana is 16, indicating Good conditions.
Griffith, Indiana air has the highest levels of O3.
Poor air quality in Griffith, Indiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Griffith, Indiana are currently 2.472 μg/m3.
The PM10 concentration in Griffith, Indiana is 10.385 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Griffith, Indiana is 0.257 ppm.
Currently, Griffith, Indiana has a sulfur dioxide (SO2) concentration of 0.481 ppb.
The current ozone (O3) level in Griffith, Indiana at the moment is 16.783 ppm.
Nitrogen dioxide (NO2) level in Griffith, Indiana at the moment is 4.012 ppb.
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