Air quality in Boulder

Air quality index (AQI) and PM2.5 air pollution in Boulder

LAST UPDATE (local time)

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Weather

What is the current weather in Boulder?

WeatherClear sky
Temperature37.4°C
Humidity38%
Wind5.8 mp/h
Pressure1017 mb

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Saint Louis Park, Minnesota

159

2 Belle Glade, Florida

141

3 Cottonwood, California

132

4 Miami, Oklahoma

132

5 Takoma Park, Maryland

122

6 New Bloomfield, Pennsylvania

121

7 Crainville, Illinois

115

8 Louisville, Tennessee

115

9 Alexander, Arkansas

114

10 Guerneville, California

114

(local time)

SEE WORLD AQI RANKING

live Boulder aqi ranking

Real-time Boulder air quality ranking

#stationUS AQI
1 Longmont

45

2 Kalmia Avenue

31

3 Airport Boulevard

16

4 Boulder - CU - 2102 Athens St.

8

5 Spruce Street

6

6 Benchmark Drive

2

(local time)

SEE WORLD AQI RANKING

US AQI

21

live AQI index
Good

Overview

What is the current air quality in Boulder?

Air pollution levelAir quality indexMain pollutant
Good21 US AQIpm10
PollutantsConcentration
PM2.5
2.9 µg/m³
pm10
23 µg/m³

Health Recommendations

How to protect from air pollution in Boulder?

Open your windows to bring clean, fresh air indoors
Enjoy outdoor activities

Forecast

Boulder air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Wednesday, Nov 25

Good 23 US AQI

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Thursday, Nov 26

Good 46 US AQI

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Friday, Nov 27

Good 22 US AQI

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Today

Good 20 US AQI

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weather icon35.6°26.6°

4.5 mp/h

Sunday, Nov 29

Good 21 US AQI

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weather icon53.6°28.4°

4.5 mp/h

Monday, Nov 30

Good 11 US AQI

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weather icon39.2°24.8°

2.2 mp/h

Tuesday, Dec 1

Good 8 US AQI

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weather icon30.2°21.2°

4.5 mp/h

Wednesday, Dec 2

Good 7 US AQI

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weather icon37.4°19.4°

2.2 mp/h

Thursday, Dec 3

Good 13 US AQI

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weather icon48.2°28.4°

2.2 mp/h

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Historical

Historic air quality graph for Boulder

How to best protect from air pollution?

Reduce your air pollution exposure in Boulder