Air Quality in Grand, Colorado

49
Current AQI: Good
Primary pollutant: PM2.5 · Updated 03/30/26
45
Median AQI (2024)
93
Max AQI (2024)
→ stable
10-Year Trend
Ozone
Primary Pollutant
133
Good Days (2024)
1
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 45 93133280 1610
2023 46 77131270 1580
2022 44 80136380 1740
2021 48 1191371 210
2020 45 112134392 1750
2019 45 8095230 1180
2018 47 151110542 1660
2017 44 6410980 1170
2016 44 80131210 1520
2015 38 585950 640

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Sep 30, 2024 44 GoodOzone
Sep 29, 2024 44 GoodOzone
Sep 28, 2024 45 GoodOzone
Sep 27, 2024 41 GoodOzone
Sep 26, 2024 40 GoodOzone
Sep 25, 2024 32 GoodOzone
Sep 24, 2024 32 GoodOzone
Sep 23, 2024 42 GoodOzone
Sep 22, 2024 38 GoodOzone
Sep 21, 2024 39 GoodOzone
Sep 20, 2024 42 GoodOzone
Sep 19, 2024 44 GoodOzone
Sep 18, 2024 44 GoodOzone
Sep 17, 2024 37 GoodOzone
Sep 16, 2024 35 GoodOzone
Sep 15, 2024 40 GoodOzone
Sep 14, 2024 44 GoodOzone
Sep 13, 2024 49 GoodOzone
Sep 12, 2024 47 GoodOzone
Sep 11, 2024 37 GoodOzone
Sep 10, 2024 38 GoodOzone
Sep 9, 2024 41 GoodOzone
Sep 8, 2024 43 GoodOzone
Sep 7, 2024 37 GoodOzone
Sep 6, 2024 39 GoodOzone
Sep 5, 2024 42 GoodOzone
Sep 4, 2024 42 GoodOzone
Sep 3, 2024 47 GoodOzone
Sep 2, 2024 48 GoodOzone
Sep 1, 2024 50 GoodOzone
Aug 31, 2024 61 ModerateOzone
Aug 30, 2024 45 GoodOzone
Aug 29, 2024 44 GoodOzone
Aug 28, 2024 43 GoodOzone
Aug 27, 2024 41 GoodOzone
Aug 26, 2024 34 GoodOzone
Aug 25, 2024 32 GoodOzone
Aug 24, 2024 37 GoodOzone
Aug 23, 2024 36 GoodOzone
Aug 22, 2024 36 GoodOzone
Aug 21, 2024 35 GoodOzone
Aug 20, 2024 34 GoodOzone
Aug 19, 2024 34 GoodOzone
Aug 18, 2024 39 GoodOzone
Aug 17, 2024 34 GoodOzone
Aug 16, 2024 35 GoodOzone
Aug 15, 2024 31 GoodOzone
Aug 14, 2024 34 GoodOzone
Aug 13, 2024 40 GoodOzone
Aug 12, 2024 30 GoodOzone
Aug 11, 2024 35 GoodOzone
Aug 10, 2024 36 GoodOzone
Aug 9, 2024 37 GoodOzone
Aug 8, 2024 45 GoodOzone
Aug 7, 2024 44 GoodOzone
Aug 6, 2024 49 GoodOzone
Aug 5, 2024 47 GoodOzone
Aug 4, 2024 50 GoodOzone
Aug 3, 2024 93 ModerateOzone
Aug 2, 2024 71 ModerateOzone
Aug 1, 2024 64 ModerateOzone
Jul 31, 2024 67 ModerateOzone
Jul 30, 2024 47 GoodOzone
Jul 29, 2024 54 ModerateOzone
Jul 28, 2024 48 GoodOzone
Jul 27, 2024 48 GoodOzone
Jul 26, 2024 49 GoodOzone
Jul 25, 2024 64 ModerateOzone
Jul 24, 2024 80 ModerateOzone
Jul 23, 2024 74 ModerateOzone
Jul 22, 2024 87 ModerateOzone
Jul 21, 2024 74 ModerateOzone
Jul 20, 2024 50 GoodOzone
Jul 19, 2024 43 GoodOzone
Jul 18, 2024 44 GoodOzone
Jul 17, 2024 49 GoodOzone
Jul 16, 2024 47 GoodOzone
Jul 15, 2024 42 GoodOzone
Jul 14, 2024 44 GoodOzone
Jul 13, 2024 49 GoodOzone
Jul 12, 2024 50 GoodOzone
Jul 11, 2024 48 GoodOzone
Jul 10, 2024 48 GoodOzone
Jul 9, 2024 58 ModerateOzone
Jul 8, 2024 64 ModerateOzone
Jul 7, 2024 46 GoodOzone
Jul 6, 2024 48 GoodOzone
Jul 5, 2024 49 GoodOzone
Jul 4, 2024 54 ModerateOzone
Jul 3, 2024 51 ModerateOzone

Monitoring Stations

Kremmling
Kremmling
Est. 2015-08-19
40.0580, -106.3700

Frequently Asked Questions

What is the air quality in Grand, Colorado?

Based on EPA data from 2024, Grand has a median Air Quality Index (AQI) of 45, which is classified as "Good." The primary pollutant is Ozone. Over the past 10 years, air quality has been stable.

Is Grand a good place to live for air quality?

Grand has a 10-year average median AQI of 44. In 2024, there were 133 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Grand the most?

The primary pollutant driving the AQI in Grand is Ozone. This is monitored by 1 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

How many air quality monitoring stations are in Grand?

There are 1 active EPA monitoring stations in Grand, Colorado. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.