Stay updated with real-time air quality in Spencer, 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)
27
Good
Spencer, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.91 μg/m³
0
55
155
255
425
605+
14.13 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
2.14 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Spencer, Iowa
Spencer, Iowa
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AQI 23
Good
3.80μg/m³
PM2.5
22.78μg/m³
PM10
25.21ppb
O3
0.38ppb
SO2
1.77ppb
NO2
0.16ppm
CO
AQI 21
Good
1.74μg/m³
PM2.5
7.00μg/m³
PM10
22.71ppb
O3
0.07ppb
SO2
0.86ppb
NO2
0.14ppm
CO
AQI 27
Good
5.23μg/m³
PM2.5
28.40μg/m³
PM10
13.47ppb
O3
0.34ppb
SO2
2.20ppb
NO2
0.19ppm
CO
AQI 16
Good
1.34μg/m³
PM2.5
4.85μg/m³
PM10
16.91ppb
O3
0.28ppb
SO2
1.02ppb
NO2
0.14ppm
CO
AQI 43
Good
5.10μg/m³
PM2.5
46.00μg/m³
PM10
15.29ppb
O3
0.30ppb
SO2
2.04ppb
NO2
0.18ppm
CO
AQI 19
Good
1.83μg/m³
PM2.5
8.00μg/m³
PM10
20.43ppb
O3
0.23ppb
SO2
0.85ppb
NO2
0.13ppm
CO
Air quality and pollutant data for Iowa, 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 Spencer, Iowa is updated every hour for accuracy.
In the past 24 hours, the air quality in Spencer, Iowa was at its worst at 12:00:00 on 2026-01-23.
In the last 24 hours, the best air quality in Spencer, Iowa was observed at 02:00:00 on 2026-01-22.
As of now, the AQI in Spencer, Iowa is 27, indicating Good conditions.
Spencer, Iowa air has the highest levels of PM2.5.
Poor air quality in Spencer, Iowa means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Spencer, Iowa are currently 4.781 μg/m3.
The PM10 concentration in Spencer, Iowa is 25.912 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Spencer, Iowa is 0.178 ppm.
Currently, Spencer, Iowa has a sulfur dioxide (SO2) concentration of 0.428 ppb.
The current ozone (O3) level in Spencer, Iowa at the moment is 14.129 ppm.
Nitrogen dioxide (NO2) level in Spencer, Iowa at the moment is 2.136 ppb.
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