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)
28
Good
Twin Falls, Idaho
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.02 μg/m³
0
55
155
255
425
605+
29.94 ppb
0
55
71
86
201
201+
2.63 ppb
0
36
76
186
605
1005+
4.88 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Twin Falls, Idaho
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AQI 30
Good
2.86μg/m³
PM2.5
17.66μg/m³
PM10
31.69ppb
O3
2.66ppb
SO2
4.89ppb
NO2
0.18ppm
CO
AQI 38
Good
1.70μg/m³
PM2.5
7.00μg/m³
PM10
41.24ppb
O3
0.06ppb
SO2
0.30ppb
NO2
0.11ppm
CO
AQI 36
Good
3.16μg/m³
PM2.5
12.06μg/m³
PM10
39.48ppb
O3
1.26ppb
SO2
2.60ppb
NO2
0.14ppm
CO
AQI 44
Good
1.60μg/m³
PM2.5
46.69μg/m³
PM10
35.95ppb
O3
6.60ppb
SO2
4.65ppb
NO2
0.18ppm
CO
AQI 40
Good
1.62μg/m³
PM2.5
42.84μg/m³
PM10
36.05ppb
O3
7.16ppb
SO2
4.64ppb
NO2
0.18ppm
CO
AQI 33
Good
3.00μg/m³
PM2.5
12.19μg/m³
PM10
35.79ppb
O3
2.44ppb
SO2
4.92ppb
NO2
0.18ppm
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 2026-03-09.
The best air quality in Twin Falls, Idaho was recorded at 10:00:00 on 2026-03-09.
The real-time air quality index in Twin Falls, Idaho is 28, 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 2.803 μg/m3.
The current PM10 levels in Twin Falls, Idaho are 12.019 μg/m3.
The current carbon monoxide (CO) level in Twin Falls, Idaho is 0.175 ppm.
The current sulfur dioxide (SO2) levels in Twin Falls, Idaho are 2.632 ppb.
The current ozone (O3) levels at Twin Falls, Idaho is 29.937 ppm.
The current nitrogen dioxide (NO2) levels at Twin Falls, Idaho is 4.875 ppb.
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