Stay updated with real-time air quality in Valparaiso, 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)
49
Good
Valparaiso, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.48 μg/m³
0
55
155
255
425
605+
36.66 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
7.87 ppb
0
54
101
361
1250
2050+
0.65 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Valparaiso, Indiana
Valparaiso, Indiana
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AQI 44
Good
8.05μg/m³
PM2.5
33.04μg/m³
PM10
36.75ppb
O3
0.35ppb
SO2
9.01ppb
NO2
0.65ppm
CO
AQI 38
Good
7.32μg/m³
PM2.5
32.02μg/m³
PM10
37.45ppb
O3
0.34ppb
SO2
7.62ppb
NO2
0.64ppm
CO
AQI 49
Good
9.28μg/m³
PM2.5
27.40μg/m³
PM10
35.29ppb
O3
0.37ppb
SO2
9.19ppb
NO2
0.65ppm
CO
AQI 52
Moderate
10.07μg/m³
PM2.5
25.33μg/m³
PM10
34.40ppb
O3
0.38ppb
SO2
9.44ppb
NO2
0.65ppm
CO
AQI 34
Good
6.21μg/m³
PM2.5
31.77μg/m³
PM10
36.80ppb
O3
0.36ppb
SO2
7.25ppb
NO2
0.65ppm
CO
AQI 34
Good
6.19μg/m³
PM2.5
31.57μg/m³
PM10
37.35ppb
O3
0.37ppb
SO2
5.46ppb
NO2
0.64ppm
CO
Air quality data and pollutant measurements for Indiana, 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 Valparaiso, Indiana is updated every hour.
The worst air quality in Valparaiso, Indiana in the last 24 hours was observed at 07:00:00 on 2025-06-04.
In the last 24 hrs, the best air quality in Valparaiso, Indiana was observed at 02:00:00 on 2025-06-04.
The current air quality in Valparaiso, Indiana is 49, categorized as Good based on real-time data.
The most common pollutant in Valparaiso, Indiana is PM2.5.
If the air quality in Valparaiso, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Valparaiso, Indiana is 9.164 μg/m3.
The current PM10 concentration at Valparaiso, Indiana is 40.478 μg/m3.
The current carbon monoxide (CO) concentration at Valparaiso, Indiana is 0.65 ppm.
The current sulfur dioxide (SO2) concentration at Valparaiso, Indiana is 0.263 ppb.
The current ozone (O3) concentration at Valparaiso, Indiana is 36.663 ppm.
The current nitrogen dioxide (NO2) concentration at Valparaiso, Indiana is 7.867 ppb.
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