Barstow Air Quality Forecast for today: AQI 59--- MODERATE
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The Air Quality Index

Barstow Air Quality Report/Hourly averages for the hour ending at 5:00 PM

OZONE (O3) 1HR AVERAGE

0 to 50
GOOD

AQI 38

49 PPB

NO PRECAUTIONS SUGGESTED

NITROGEN DIOXIDE (NO2) 1HR AVERAGE

0 to 50
GOOD

AQI 4

3 PPB

NO PRECAUTIONS SUGGESTED

CARBON MONOXIDE (CO) 1HR AVERAGE

0 to 50
GOOD

AQI 1

1 PTM

NO PRECAUTIONS SUGGESTED

The Air Quality Index (AQI) reports ozone and other common pollutants. The higher the rating, the greater the danger. The AQI is divided into several categories and information about how to avoid exposure to each category is listed below.

AQI Index Values

Levels of Health Concern

Cautionary Statements
0 to 50

Good

No Limitations
51 to 100

Moderate

Unusually sensitive people should limit proplonged outdoor exertion
101 to 150

Unhealthy for Sensitive Groups

Active adults & children with respiratory disease such as asthma, should limit prolonged outdoor exertion
151 to 200

Unhealthy

Everyone, especially children and seniors, should limit prolonged outdoor exertion
201 to 300

Very Unhealthy

Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion, everyone else, especially children, should limit outdoor exertion
300+

Hazardous

Everyone should avoid all outdoor exertion

Barstow Weather for the hour ending at 5:00 PM      ...show me meteorology at all stations

graphic showing wind direction

WINDS

215 DEGREES AT 13 MPH  WITH PEAKS TO 25 MPH

TEMPERATURE:            99.2 DEGREES

BAROMETER:               27.49 INCHES

RELATIVE HUMIDITY:       14 PERCENT

TODAY'S MAX TEMP: 99.2 DEGREES AT 5 PM
TODAY'S MIN TEMP: 74.0 DEGREES AT 7 AM

BARSTOW HESPERIA LANCASTER PHELAN TRONA 29PALMS VICTORVILLE