Grand Junction, Colorado, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Grand Junction, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Feb - 15th Feb 2026
Grand Junction, Colorado, United States
7 AM14th Feb 2026
5 PM
6 AM15th Feb 2026
90AQI
38AQI
48AQI
36AQI
In the last 24 hours,
Grand Junction's AQI reached its highest point of 90 at 12 PM during the Day, while the lowest point, 36, was recorded at 5 AM during the Night between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Grand Junction, Colorado, United States
-1°C-5/4°C
2°C-3/9°C
4°C-5/13°C
1°C-8/11°C
1°C-7/12°C
2°C-6/12°C
1°C-4/11°C
2°C-3/8°C
-2°C-7/6°C
-4°C-10/5°C
-1°C-7/8°C
0°C-7/11°C
1°C-6/10°C
2°C-6/13°C
3°C-5/15°C
5°C-3/16°C
5°C-2/17°C
5°C-4/16°C
6°C-3/14°C
6°C-2/16°C
7°C-2/18°C
8°C-2/19°C
8°C-2/18°C
8°C-2/19°C
9°C3/18°C
9°C2/17°C
11°C5/17°C
7°C3/15°C
5°C-1/14°C
7°C-2/17°C
44AQI
31AQI
41AQI
27AQI
2026 Days Vs Air Quality
Grand Junction, Colorado, United States
100%
46
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2026, 100% of 47 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Grand Junction, Colorado, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
32AQI (US)
24AQI (US)
29AQI (US)
27AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
15AQI (US)
21AQI (US)
22AQI (US)
31AQI (US)
27AQI (US)
30AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
38AQI (US)
43AQI (US)
46AQI (US)
41AQI (US)
38AQI (US)
33AQI (US)
32AQI (US)
36AQI (US)
39AQI (US)
28AQI (US)
34AQI (US)
34AQI (US)
33AQI (US)
36AQI (US)
35AQI (US)
35AQI (US)
29AQI (US)
31AQI (US)
40AQI (US)
36AQI (US)
29AQI (US)
37AQI (US)
48AQI (US)
50AQI (US)
37AQI (US)
29AQI (US)
36AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
July37AQI (US)
Lowest AQI (US) recorded in
March20AQI (US)
202421AQI (US)
Highest AQI (US) recorded in
December40AQI (US)
Lowest AQI (US) recorded in
May14AQI (US)
202319AQI (US)
Highest AQI (US) recorded in
November26AQI (US)
Lowest AQI (US) recorded in
June14AQI (US)
202223AQI (US)
Highest AQI (US) recorded in
January40AQI (US)
Lowest AQI (US) recorded in
July13AQI (US)
202126AQI (US)
Highest AQI (US) recorded in
August43AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202025AQI (US)
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
March12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Grand Junction's annual 2026 AQI (US) (31) shows an average percentage change of 35.3% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (26), 2022 (23), 2023 (19), 2024 (21), 2025 (28).