Real-time air quality index in Lewiston, Idaho today
Stay updated with real-time air quality in Lewiston, 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)
19
Good
Lewiston, Idaho
Last updated: ... (Local time)
Common air pollutants in Lewiston, Idaho
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
1.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
4.96 μg/m³
0
55
155
255
425
605+
Ozone (O3)
20.27 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.48 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
8.33 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lewiston, Idaho
Lewiston, Idaho
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Lewiston, Idaho air quality map: Real-time AQI near you
Air quality in nearby cities
Moscow, Idaho
AQI 27
Good
4.73μg/m³
PM2.5
20.41μg/m³
PM10
21.27ppb
O3
0.48ppb
SO2
8.29ppb
NO2
0.34ppm
CO
Pullman, Washington
AQI 15
Good
1.90μg/m³
PM2.5
8.01μg/m³
PM10
16.12ppb
O3
0.48ppb
SO2
8.33ppb
NO2
0.34ppm
CO
Walla Walla, Washington
AQI 12
Good
2.31μg/m³
PM2.5
10.07μg/m³
PM10
13.22ppb
O3
0.36ppb
SO2
9.74ppb
NO2
0.24ppm
CO
Cheney, Washington
AQI 18
Good
2.33μg/m³
PM2.5
11.19μg/m³
PM10
18.87ppb
O3
0.48ppb
SO2
8.48ppb
NO2
0.25ppm
CO
Liberty Lake, Washington
AQI 29
Good
4.38μg/m³
PM2.5
31.23μg/m³
PM10
15.54ppb
O3
0.48ppb
SO2
8.38ppb
NO2
0.34ppm
CO
Coeur D'Alene, Idaho
AQI 33
Good
5.88μg/m³
PM2.5
26.84μg/m³
PM10
19.22ppb
O3
0.48ppb
SO2
8.13ppb
NO2
0.35ppm
CO
How accurate is Idaho, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Lewiston, Idaho updated?
Air quality data for Lewiston, Idaho is updated on an hourly basis.
When did Lewiston, Idaho experience the worst air quality in the last 24 hours?
The worst air quality in Lewiston, Idaho was recorded at 03:00:00 on 2025-12-11.
When did Lewiston, Idaho have its best air quality in the last 24 hours?
The best air quality in Lewiston, Idaho was recorded at 01:00:00 on 2025-12-12.
What is the real-time air quality index for Lewiston, Idaho?
The real-time air quality index in Lewiston, Idaho is 19, currently categorized as Good.
Which pollutant is found most often in Lewiston, Idaho?
The most common pollutant in Lewiston, Idaho is O3.
What can I do if the air quality in Lewiston, Idaho is poor?
If the air quality in Lewiston, Idaho is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Lewiston, Idaho?
The measured PM2.5 levels in Lewiston, Idaho at present are 1.19 μg/m3.
What are the current PM10 levels at Lewiston, Idaho?
The current PM10 levels in Lewiston, Idaho are 4.959 μg/m3.
What are the current carbon monoxide (CO) levels at Lewiston, Idaho?
The current carbon monoxide (CO) level in Lewiston, Idaho is 0.338 ppm.
What are the current sulfur dioxide (SO2) levels at Lewiston, Idaho?
The current sulfur dioxide (SO2) levels in Lewiston, Idaho are 0.482 ppb.
What are the current ozone (O3) levels at Lewiston, Idaho?
The current ozone (O3) levels at Lewiston, Idaho is 20.273 ppm.
What are the current nitrogen dioxide (NO2) levels at Lewiston, Idaho?
The current nitrogen dioxide (NO2) levels at Lewiston, Idaho is 8.331 ppb.
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