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Real-time air quality index in Redlands, California today

Stay updated with real-time air quality in Redlands, California 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

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Redlands, California

Last updated: ... (Local time)

Common air pollutants in Redlands, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

8.02 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

27.16 μg/m³

0

55

155

255

425

605+

Ozone (O3)

44.31 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.27 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

6.74 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Redlands, California

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Redlands, California air quality map: Real-time AQI near you




How accurate is California, USA air quality data?

Air quality measurements for California, 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.


Frequently asked questions

How frequently is the air quality data for Redlands, California updated?

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Air quality data for Redlands, California is updated on an hourly basis.


When did Redlands, California experience the worst air quality in the last 24 hours?

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The worst air quality in Redlands, California was recorded at 10:00:00 on 2025-07-19.


When did Redlands, California have its best air quality in the last 24 hours?

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The best air quality in Redlands, California was recorded at 12:00:00 on 2025-07-20.


What is the real-time air quality index for Redlands, California?

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The real-time air quality index in Redlands, California is 54, currently categorized as Moderate.


Which pollutant is found most often in Redlands, California?

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The most common pollutant in Redlands, California is PM2.5.


What can I do if the air quality in Redlands, California is poor?

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If the air quality in Redlands, California is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Redlands, California?

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The measured PM2.5 levels in Redlands, California at present are 10.941 μg/m3.


What are the current PM10 levels at Redlands, California?

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The current PM10 levels in Redlands, California are 33.613 μg/m3.


What are the current carbon monoxide (CO) levels at Redlands, California?

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The current carbon monoxide (CO) level in Redlands, California is 0.143 ppm.


What are the current sulfur dioxide (SO2) levels at Redlands, California?

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The current sulfur dioxide (SO2) levels in Redlands, California are 0.256 ppb.


What are the current ozone (O3) levels at Redlands, California?

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The current ozone (O3) levels at Redlands, California is 42.08 ppm.


What are the current nitrogen dioxide (NO2) levels at Redlands, California?

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The current nitrogen dioxide (NO2) levels at Redlands, California is 4.724 ppb.


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