Downtown Las Vegas, Las Vegas, Nevada, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Downtown Las Vegas, Las Vegas, Nevada, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Downtown Las Vegas, Las Vegas, Nevada, United States
6 AM29th Sep 2025
6 PM
5 AM30th Sep 2025
46AQI
32AQI
34AQI
26AQI
In the last 24 hours,
Downtown Las Vegas's AQI reached its highest point of 46 at 12 PM during the Day, while the lowest point, 26, was recorded at 4 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Downtown Las Vegas, Las Vegas, Nevada, United States
33°C25/41°C
34°C27/43°C
32°C27/39°C
31°C26/38°C
31°C25/37°C
29°C22/35°C
30°C24/38°C
31°C24/39°C
30°C22/37°C
29°C21/39°C
27°C20/36°C
27°C19/35°C
26°C19/34°C
27°C18/36°C
28°C21/37°C
28°C20/37°C
30°C22/38°C
30°C22/39°C
27°C24/30°C
26°C21/31°C
28°C22/35°C
29°C21/38°C
28°C22/37°C
29°C22/38°C
30°C22/39°C
29°C23/39°C
27°C22/36°C
25°C20/33°C
24°C20/30°C
25°C19/33°C
--°C/°C
37AQI
25AQI
33AQI
26AQI
2025 Days Vs Air Quality
Downtown Las Vegas, Las Vegas, Nevada, United States
89%
168
11%
20
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 273 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Downtown Las Vegas, Las Vegas, Nevada, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI
45AQI
36AQI
36AQI
40AQI
33AQI
26AQI
26AQI
19AQI
23AQI
21AQI
29AQI
32AQI
38AQI
43AQI
43AQI
44AQI
38AQI
34AQI
35AQI
39AQI
41AQI
37AQI
32AQI
22AQI
24AQI
30AQI
36AQI
37AQI
35AQI
33AQI
34AQI
19AQI
23AQI
26AQI
32AQI
29AQI
41AQI
41AQI
24AQI
22AQI
33AQI
30AQI
32AQI
32AQI
30AQI
35AQI
35AQI
39AQI
24AQI
26AQI
33AQI
44AQI
37AQI
36AQI
36AQI
42AQI
45AQI
38AQI
37AQI
36AQI
38AQI
39AQI
44AQI
46AQI
46AQI
39AQI
45AQI
28AQI
34AQI
38AQI
36AQI
34AQI
42AQI
38AQI
41AQI
45AQI
47AQI
43AQI
46AQI
48AQI
39AQI
42AQI
43AQI
49AQI
52AQI
50AQI
48AQI
48AQI
48AQI
54AQI
55AQI
53AQI
54AQI
49AQI
43AQI
33AQI
55AQI
45AQI
42AQI
49AQI
51AQI
36AQI
36AQI
44AQI
36AQI
41AQI
55AQI
50AQI
51AQI
54AQI
62AQI
45AQI
40AQI
41AQI
37AQI
30AQI
34AQI
34AQI
29AQI
28AQI
24AQI
23AQI
26AQI
30AQI
32AQI
36AQI
33AQI
31AQI
42AQI
62AQI
71AQI
61AQI
57AQI
56AQI
62AQI
52AQI
53AQI
46AQI
43AQI
52AQI
47AQI
47AQI
37AQI
27AQI
25AQI
31AQI
40AQI
31AQI
43AQI
50AQI
36AQI
40AQI
30AQI
28AQI
33AQI
24AQI
49AQI
46AQI
40AQI
46AQI
32AQI
29AQI
30AQI
33AQI
26AQI
24AQI
27AQI
26AQI
27AQI
27AQI
31AQI
41AQI
38AQI
36AQI
40AQI
39AQI
26AQI
24AQI
30AQI
24AQI
30AQI
31AQI
23AQI
23AQI
16AQI
16AQI
35AQI
40AQI
32AQI
36AQI
44AQI
40AQI
44AQI
30AQI
No. of days
202538AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 1 Years
Downtown Las Vegas's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .