Grand Junction air quality · Colorado, United States
Deep breaths feel amazing when the air is this clean
US AQI 31 (Good) in Grand Junction, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Grand Junction
- PM2.531AQI
- PM1011AQI
- Ozone14AQI
US values are per-pollutant AQI from the highest-reading monitor near Grand Junction (Mesa County Public Health).
Is it safe outside in Grand Junction right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Grand Junction air quality history
Daily average, 35 days- 30average daily US AQI over 35 days
- 40worst day, 14 September
- 20cleanest day, 30 September
- 0days at Unhealthy or worse
The last 7 days averaged 31, about the same as the week before (32). 35 of the last 35 days were Good.
Weather in Grand Junction
No active National Weather Service alerts for Grand Junction.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Mostly Sunny | 66°F | 48°F | 10% |
| Tue 20 | Slight Chance Rain Showers then Mostly Sunny | 70°F | 52°F | 15% |
| Wed 21 | Chance Rain Showers | 70°F | 54°F | 81% |
| Thu 22 | Showers And Thunderstorms | 64°F | 50°F | 95% |
| Fri 23 | Showers And Thunderstorms Likely | 59°F | 43°F | 61% |
| Sat 24 | Slight Chance Rain Showers | 57°F | 43°F | 21% |
| Sun 25 | Mostly Sunny | 63°F | 46°F | 11% |
National Weather Service forecast. All US weather alerts →
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Grand Junction air quality: common questions
What is the AQI in Grand Junction right now?
The US AQI in Grand Junction is 31 (Good). The main pollutant is PM2.5.
Is it safe to go outside in Grand Junction today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
How has air quality in Grand Junction been recently?
Over the last 35 days with data, Grand Junction averaged US AQI 30. The worst day was 14 September at 40; the cleanest was 30 September at 20. 0 days were at Unhealthy or worse.
Where does Grand Junction's air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.