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)
44
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)
8.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
36.90 μg/m³
0
55
155
255
425
605+
Ozone (O3)
17.08 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.42 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
6.75 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.23 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 52
Moderate
9.61μg/m³
PM2.5
43.17μg/m³
PM10
40.40ppb
O3
3.38ppb
SO2
1.83ppb
NO2
0.17ppm
CO
Pullman, Washington
AQI 38
Good
5.80μg/m³
PM2.5
25.03μg/m³
PM10
40.80ppb
O3
3.39ppb
SO2
1.83ppb
NO2
0.14ppm
CO
Walla Walla, Washington
AQI 38
Good
5.40μg/m³
PM2.5
23.00μg/m³
PM10
40.75ppb
O3
3.26ppb
SO2
1.67ppb
NO2
0.12ppm
CO
Cheney, Washington
AQI 39
Good
6.43μg/m³
PM2.5
26.59μg/m³
PM10
42.33ppb
O3
3.67ppb
SO2
1.99ppb
NO2
0.14ppm
CO
Liberty Lake, Washington
AQI 40
Good
6.83μg/m³
PM2.5
8.34μg/m³
PM10
42.70ppb
O3
3.68ppb
SO2
1.89ppb
NO2
0.18ppm
CO
Coeur D'Alene, Idaho
AQI 44
Good
7.59μg/m³
PM2.5
33.71μg/m³
PM10
41.93ppb
O3
3.65ppb
SO2
1.89ppb
NO2
0.18ppm
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 06:00:00 on 2025-07-22.
When did Lewiston, Idaho have its best air quality in the last 24 hours?
The best air quality in Lewiston, Idaho was recorded at 10:00:00 on 2025-07-22.
What is the real-time air quality index for Lewiston, Idaho?
The real-time air quality index in Lewiston, Idaho is 37, 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 5.626 μg/m3.
What are the current PM10 levels at Lewiston, Idaho?
The current PM10 levels in Lewiston, Idaho are 24.43 μg/m3.
What are the current carbon monoxide (CO) levels at Lewiston, Idaho?
The current carbon monoxide (CO) level in Lewiston, Idaho is 0.139 ppm.
What are the current sulfur dioxide (SO2) levels at Lewiston, Idaho?
The current sulfur dioxide (SO2) levels in Lewiston, Idaho are 3.284 ppb.
What are the current ozone (O3) levels at Lewiston, Idaho?
The current ozone (O3) levels at Lewiston, Idaho is 40.195 ppm.
What are the current nitrogen dioxide (NO2) levels at Lewiston, Idaho?
The current nitrogen dioxide (NO2) levels at Lewiston, Idaho is 1.814 ppb.
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