Pm2.5, 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!
August Air Quality Analysis
Pm2.5, Grand Junction, Colorado, United States
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Pm2.5, Grand Junction, Colorado, United States
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
46AQI
18AQI
50AQI
8AQI
In the last 24 hours,
Pm2.5's AQI reached its highest point of 50 at 5 AM during the Night, while the lowest point, 8, was recorded at 4 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Pm2.5, Grand Junction, Colorado, United States
30°C22/39°C
32°C23/40°C
32°C23/41°C
31°C22/42°C
28°C22/36°C
29°C20/36°C
32°C23/40°C
33°C25/42°C
34°C27/42°C
32°C23/40°C
32°C24/40°C
30°C24/39°C
29°C19/38°C
31°C21/41°C
32°C22/42°C
32°C20/43°C
32°C21/42°C
32°C21/41°C
30°C18/40°C
30°C19/40°C
31°C19/41°C
31°C19/41°C
31°C20/41°C
31°C22/40°C
31°C23/39°C
28°C20/36°C
23°C18/30°C
24°C18/33°C
23°C18/30°C
26°C16/36°C
45AQI
35AQI
41AQI
37AQI
2026 Days Vs Air Quality
Pm2.5, Grand Junction, Colorado, United States
97%
219
3%
6
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 228 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
Pm2.5, 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)
23AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
38AQI (US)
43AQI (US)
45AQI (US)
41AQI (US)
37AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
39AQI (US)
28AQI (US)
34AQI (US)
34AQI (US)
32AQI (US)
35AQI (US)
34AQI (US)
35AQI (US)
29AQI (US)
31AQI (US)
40AQI (US)
36AQI (US)
29AQI (US)
37AQI (US)
48AQI (US)
50AQI (US)
36AQI (US)
32AQI (US)
39AQI (US)
35AQI (US)
41AQI (US)
40AQI (US)
32AQI (US)
34AQI (US)
31AQI (US)
36AQI (US)
31AQI (US)
32AQI (US)
41AQI (US)
38AQI (US)
34AQI (US)
44AQI (US)
31AQI (US)
41AQI (US)
44AQI (US)
36AQI (US)
29AQI (US)
25AQI (US)
37AQI (US)
36AQI (US)
29AQI (US)
33AQI (US)
35AQI (US)
28AQI (US)
33AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
23AQI (US)
20AQI (US)
34AQI (US)
27AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
19AQI (US)
21AQI (US)
20AQI (US)
32AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
31AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
27AQI (US)
24AQI (US)
34AQI (US)
31AQI (US)
27AQI (US)
28AQI (US)
21AQI (US)
20AQI (US)
17AQI (US)
16AQI (US)
18AQI (US)
23AQI (US)
32AQI (US)
25AQI (US)
18AQI (US)
19AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
19AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
17AQI (US)
21AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
27AQI (US)
21AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
17AQI (US)
15AQI (US)
23AQI (US)
19AQI (US)
17AQI (US)
16AQI (US)
20AQI (US)
16AQI (US)
17AQI (US)
18AQI (US)
17AQI (US)
18AQI (US)
26AQI (US)
16AQI (US)
15AQI (US)
20AQI (US)
18AQI (US)
15AQI (US)
14AQI (US)
16AQI (US)
17AQI (US)
20AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
20AQI (US)
51AQI (US)
18AQI (US)
14AQI (US)
24AQI (US)
32AQI (US)
17AQI (US)
14AQI (US)
17AQI (US)
19AQI (US)
18AQI (US)
46AQI (US)
75AQI (US)
50AQI (US)
45AQI (US)
36AQI (US)
28AQI (US)
31AQI (US)
34AQI (US)
39AQI (US)
23AQI (US)
39AQI (US)
42AQI (US)
32AQI (US)
36AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
42AQI (US)
36AQI (US)
37AQI (US)
39AQI (US)
24AQI (US)
30AQI (US)
37AQI (US)
44AQI (US)
43AQI (US)
39AQI (US)
40AQI (US)
39AQI (US)
37AQI (US)
39AQI (US)
51AQI (US)
49AQI (US)
58AQI (US)
55AQI (US)
46AQI (US)
58AQI (US)
46AQI (US)
41AQI (US)
35AQI (US)
36AQI (US)
37AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
36AQI (US)
30AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
36AQI (US)
43AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
August43AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
August38AQI (US)
Lowest AQI (US) recorded in
May20AQI (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
Pm2.5's annual 2026 AQI (US) (29) shows an average percentage change of 25.2% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (26), 2022 (23), 2023 (19), 2024 (21), 2025 (27).