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 Merced
Air quality index (AQI) and PM2.5 air pollution in Merced
40K people follow this city
Merced Air Quality Map
Real-time Merced air pollution map
AIR QUALITY DATA CONTRIBUTORS
20 Contributors
See all
Pollen
What is the pollen count in Merced today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Merced?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 69% |
| Wind | 5.7 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 81 |
| 2 | Pahrump, Nevada | 81 |
| 3 | Corpus Christi, Texas | 78 |
| 4 | Birmingham, Alabama | 73 |
| 5 | Palm Desert, California | 72 |
| 6 | Campo, California | 68 |
| 7 | San Fernando, California | 68 |
| 8 | Boerne, Texas | 66 |
| 9 | Coachella, California | 66 |
| 10 | Marana, Arizona | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Merced aqi ranking
Real-time Merced air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Merced-S Coffee Avenue | 33 |
| 2 | Merced-M St | 32 |
| 3 | Merced-Vierra | 27 |
| 4 | ucm-4aef | 22 |
| 5 | K Street-ucm-37a9 | 20 |
| 6 | K Street-ucm-45b2 | 20 |
| 7 | K Street-ucm-4f3 | 20 |
| 8 | K Street-ucm-f431 | 20 |
| 9 | K Street-ucm-34b | 19 |
| 10 | K Street-ucm-4efb | 19 |
(local time)
SEE WORLD AQI RANKING
US AQI
19
live AQI index
Good
Overview
What is the current air quality in Merced?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.5µg/m³ | |
| PM10 | 18µg/m³ | |
| O3 | 40µg/m³ | |
✓
PM2.5 concentration in Merced air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Merced?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Merced air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, May 20 | Good 39 AQI US |  | 86° 51.8° |  8.9 mp/h |
| Tuesday, May 21 | Good 34 AQI US | | 86° 57.2° | 8.9 mp/h |
| Wednesday, May 22 | Good 33 AQI US | | 82.4° 55.4° | 11.2 mp/h |
| Today | Good 19 AQI US | | 82.4° 55.4° | 11.2 mp/h |
| Friday, May 24 | Good 25 AQI US | | 75.2° 50° | 15.7 mp/h |
| Saturday, May 25 | Good 16 AQI US | | 77° 50° | 11.2 mp/h |
| Sunday, May 26 | Good 22 AQI US | | 82.4° 46.4° | 6.7 mp/h |
| Monday, May 27 | Good 31 AQI US | | 89.6° 53.6° | 6.7 mp/h |
| Tuesday, May 28 | Good 40 AQI US | | 89.6° 57.2° | 8.9 mp/h |
| Wednesday, May 29 | Moderate 67 AQI US  | | 87.8° 53.6° | 13.4 mp/h |
Interested in hourly forecast? Get the app
Merced air quality data attribution
20Contributors
- California Air Resources Board (CARB)
1 station
2 Government Contributors
- 18 Anonymous contributors
18 stations
18 Anonymous Contributors
4 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Merced?
- West Yosemite Avenue 9
- Bernasconi Park 11
- Ranchero Lane 15
- White Wolf Court 15
- K Street-ucm-77d4 16
- Kinglet Court 16
- Cabana Court 17
- San Felipe Court 18
- K Street-ucm-34b 19
- K Street-ucm-4efb 19
- K Street-ucm-728f 19
- K Street-ucm-7931 19
- K Street-ucm-f430 19
- K Street-ucm-37a9 20
- K Street-ucm-45b2 20
- K Street-ucm-4f3 20
- K Street-ucm-f431 20
- ucm-4aef 22
- Merced-Vierra 27
- Merced-M St 32
- Merced-S Coffee Avenue 33
AQI US, Metric