AddAir quality near 650 S 40th St, Boulder
Air quality index (AQI⁺) and PM2.5 air pollution near 650 S 40th St, Boulder • 21 Followers • 19:00, Jun 24 Local time
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
54
US AQI⁺Moderate
Main pollutant:
PM2.5
10.7 µg/m³
16°
8 km/h
81 %
Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)
Hourly forecast
650 S 40th St, Boulder air quality index (AQI⁺) forecast
Daily forecast
650 S 40th St, Boulder air quality index (AQI⁺) forecast
| Today | 58 |  | 24° 15° |  18 km/h | 68% |
| Thu | 52 |  | 33° 16° | 19 km/h | 39% |
| Fri | 31 |  | 35° 18° | 34 km/h | 11% |
Air pollutants
What is the current air quality near 650 S 40th St?
PM2.5 concentration is currently 2.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
Real-time 650 S 40th St, Boulder air pollution map
Pollen
What is the pollen count in 650 S 40th St today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed Moderate | 50% |
Source:
wetter.comPollen
What is the pollen count in 650 S 40th St today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comHistoric air quality near 650 S 40th St
History
Historic air quality graph for 650 S 40th St
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Most polluted locations near 650 S 40th St, Boulder
Worldwide AQI⁺ ranking
Station ranking
Real-time 650 S 40th St AQI⁺ station ranking
City ranking
Real-time USA AQI⁺ city ranking
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Learn more about global air quality
Where is the cleanest air quality in Boulder?
- Keewayden34
- Boulder Reservoir49
- Gillaspie Dr50
- North Boulder51
- 285 Vail Cir52
- Bean Mountain Lane52
- Del Rosa Ct52
- Hawthorn Avenue52
- 650 S 40th St54
- Chautauqua Heights, Cascade Avenue54
- Grape Avenue54
- Stony Hill Road54
- 1491 High St55
- Boulder - CU - 2102 Athens St.56
- 717 Evergreen Boulder57
- Grove Street57
- South 42nd Street59
- 10th Street60
- Aztec Central64
