Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Lewiston
Air quality index (AQI) and PM2.5 air pollution in Lewiston
1.4K people follow this city
Lewiston Air Quality Map
Real-time Lewiston air pollution map
AIR QUALITY DATA CONTRIBUTORS
California Air Resources Board (CARB)
See all
Pollen
What is the pollen count in Lewiston today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Lewiston?
| Weather | Broken clouds |
| Temperature | 75.2°F |
| Humidity | 49% |
| Wind | 6.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Austin, Texas | 91 |
| 2 | Leander, Texas | 89 |
| 3 | Georgetown, Texas | 88 |
| 4 | Mecca, California | 88 |
| 5 | Round Rock, Texas | 87 |
| 6 | Cedar Park, Texas | 84 |
| 7 | Yucaipa, California | 83 |
| 8 | Boerne, Texas | 73 |
| 9 | Baytown, Texas | 72 |
| 10 | Pahrump, Nevada | 71 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Lewiston aqi ranking
Real-time Lewiston air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | CARB - Cline Gulch Road | 23 |
| 2 | CARB - Lewiston | 18 |
(local time)
SEE WORLD AQI RANKING
US AQI
20
live AQI index
Good
Overview
What is the current air quality in Lewiston?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 20 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.7µg/m³ | |
✓
PM2.5 concentration in Lewiston air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Lewiston?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Lewiston air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, May 30 | Good 22 AQI US |  | 89.6° 53.6° |  4.5 mp/h |
| Friday, May 31 | Good 23 AQI US | | 82.4° 51.8° | 11.2 mp/h |
| Saturday, Jun 1 | Good 18 AQI US | | 78.8° 48.2° | 11.2 mp/h |
| Today | Good 20 AQI US | | 78.8° 48.2° | 11.2 mp/h |
| Monday, Jun 3 | Good 9 AQI US |  80% | 75.2° 55.4° | 8.9 mp/h |
| Tuesday, Jun 4 | Good 18 AQI US | | 87.8° 50° | 11.2 mp/h |
| Wednesday, Jun 5 | Good 28 AQI US | | 95° 53.6° | 4.5 mp/h |
| Thursday, Jun 6 | Moderate 54 AQI US  | 40% | 96.8° 60.8° | 4.5 mp/h |
| Friday, Jun 7 | Moderate 80 AQI US | | 95° 62.6° | 8.9 mp/h |
| Saturday, Jun 8 | Moderate 77 AQI US | | 93.2° 60.8° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Lewiston air quality data attribution
1Contributor
- California Air Resources Board (CARB)
2 stations
Government Contributor
2 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Lewiston?
AQI US, Metric