Stay updated with real-time air quality in Twin Falls, Idaho 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
Twin Falls, Idaho
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.02 μg/m³
0
55
155
255
425
605+
35.98 ppb
0
55
71
86
201
201+
2.21 ppb
0
36
76
186
605
1005+
2.52 ppb
0
54
101
361
1250
2050+
0.61 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Twin Falls, Idaho
Twin Falls, Idaho
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AQI 32
Good
5.02μg/m³
PM2.5
19.80μg/m³
PM10
35.01ppb
O3
2.23ppb
SO2
2.54ppb
NO2
0.61ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
30.06μg/m³
PM10
27.45ppb
O3
0.15ppb
SO2
0.79ppb
NO2
0.12ppm
CO
AQI 38
Good
6.66μg/m³
PM2.5
24.82μg/m³
PM10
19.34ppb
O3
1.13ppb
SO2
4.37ppb
NO2
0.38ppm
CO
AQI 32
Good
2.30μg/m³
PM2.5
4.04μg/m³
PM10
34.97ppb
O3
5.25ppb
SO2
2.14ppb
NO2
0.45ppm
CO
AQI 32
Good
2.27μg/m³
PM2.5
4.56μg/m³
PM10
34.62ppb
O3
5.68ppb
SO2
2.13ppb
NO2
0.45ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
54.66μg/m³
PM10
11.74ppb
O3
2.05ppb
SO2
7.06ppb
NO2
0.61ppm
CO
Air quality measurements for Idaho, 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 Twin Falls, Idaho is updated on an hourly basis.
The worst air quality in Twin Falls, Idaho was recorded at 01:00:00 on 2025-12-07.
The best air quality in Twin Falls, Idaho was recorded at 05:00:00 on 2025-12-06.
The real-time air quality index in Twin Falls, Idaho is 33, currently categorized as Good.
The most common pollutant in Twin Falls, Idaho is O3.
If the air quality in Twin Falls, Idaho is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Twin Falls, Idaho at present are 4.905 μg/m3.
The current PM10 levels in Twin Falls, Idaho are 21.02 μg/m3.
The current carbon monoxide (CO) level in Twin Falls, Idaho is 0.615 ppm.
The current sulfur dioxide (SO2) levels in Twin Falls, Idaho are 2.212 ppb.
The current ozone (O3) levels at Twin Falls, Idaho is 35.984 ppm.
The current nitrogen dioxide (NO2) levels at Twin Falls, Idaho is 2.515 ppb.
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