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 |
Weather
What is the current weather in Lewiston?
| Weather | Clear sky |
| Temperature | 51.8°F |
| Humidity | 71% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 99 |
| 2 | Porterville, California | 86 |
| 3 | Frederick, Maryland | 84 |
| 4 | Casa Grande, Arizona | 82 |
| 5 | Sequoia National Park, California | 80 |
| 6 | Three Rivers, California | 76 |
| 7 | Charles Town, West Virginia | 72 |
| 8 | South Gate, California | 72 |
| 9 | Visalia, California | 70 |
| 10 | Hagerstown, Maryland | 66 |
(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 | 17 |
| 2 | CARB - Lewiston | 12 |
(local time)
SEE WORLD AQI RANKING
US AQI
14
live AQI index
Good
Overview
What is the current air quality in Lewiston?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 14 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.5µg/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 |
|---|---|---|---|---|
| Tuesday, Apr 16 | Good 14 AQI US |  | 71.6° 41° |  4.5 mp/h |
| Wednesday, Apr 17 | Good 17 AQI US | | 75.2° 42.8° | 2.2 mp/h |
| Thursday, Apr 18 | Good 19 AQI US |  | 75.2° 46.4° | 4.5 mp/h |
| Today | Good 14 AQI US | | 75.2° 46.4° | 4.5 mp/h |
| Saturday, Apr 20 | Good 10 AQI US | | 73.4° 46.4° | 8.9 mp/h |
| Sunday, Apr 21 | Good 6 AQI US | | 77° 41° | 4.5 mp/h |
| Monday, Apr 22 | Good 7 AQI US | | 78.8° 46.4° | 4.5 mp/h |
| Tuesday, Apr 23 | Good 15 AQI US |  40% | 62.6° 50° | 6.7 mp/h |
| Wednesday, Apr 24 | Good 15 AQI US | 30% | 64.4° 46.4° | 4.5 mp/h |
| Thursday, Apr 25 | Good 11 AQI US | 100% | 44.6° 41° | 2.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
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