Stay updated with real-time air quality in Altoona, Iowa 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
Altoona, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.28 μg/m³
0
55
155
255
425
605+
35.72 ppb
0
55
71
86
201
201+
1.39 ppb
0
36
76
186
605
1005+
1.89 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Altoona, Iowa
Altoona, Iowa
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AQI 34
Good
5.50μg/m³
PM2.5
24.37μg/m³
PM10
37.23ppb
O3
1.25ppb
SO2
1.95ppb
NO2
0.26ppm
CO
AQI 34
Good
5.87μg/m³
PM2.5
25.94μg/m³
PM10
36.79ppb
O3
1.25ppb
SO2
1.95ppb
NO2
0.26ppm
CO
AQI 36
Good
6.04μg/m³
PM2.5
26.25μg/m³
PM10
38.55ppb
O3
1.25ppb
SO2
1.94ppb
NO2
0.27ppm
CO
AQI 35
Good
6.34μg/m³
PM2.5
27.76μg/m³
PM10
37.84ppb
O3
1.25ppb
SO2
1.94ppb
NO2
0.27ppm
CO
AQI 35
Good
6.28μg/m³
PM2.5
26.33μg/m³
PM10
38.10ppb
O3
1.23ppb
SO2
1.88ppb
NO2
0.26ppm
CO
AQI 34
Good
6.48μg/m³
PM2.5
31.97μg/m³
PM10
36.61ppb
O3
1.23ppb
SO2
1.90ppb
NO2
0.26ppm
CO
Air quality measurements for Iowa, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Altoona, Iowa is updated on an hourly basis.
The worst air quality in Altoona, Iowa was recorded at 07:00:00 on 2026-04-23.
The best air quality in Altoona, Iowa was recorded at 10:00:00 on 2026-04-23.
The real-time air quality index in Altoona, Iowa is 33, currently categorized as Good.
The most common pollutant in Altoona, Iowa is O3.
If the air quality in Altoona, Iowa is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Altoona, Iowa at present are 6.173 μg/m3.
The current PM10 levels in Altoona, Iowa are 26.279 μg/m3.
The current carbon monoxide (CO) level in Altoona, Iowa is 0.259 ppm.
The current sulfur dioxide (SO2) levels in Altoona, Iowa are 1.387 ppb.
The current ozone (O3) levels at Altoona, Iowa is 35.715 ppm.
The current nitrogen dioxide (NO2) levels at Altoona, Iowa is 1.887 ppb.
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