Reno, 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
Reno, Nevada, United States
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Reno, Nevada, United States
6 AM22nd Sep 2025
7 PM
5 AM23rd Sep 2025
34AQI
25AQI
30AQI
24AQI
In the last 24 hours,
Reno's AQI reached its highest point of 34 at 1 PM during the Day, while the lowest point, 24, was recorded at 1 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Reno, Nevada, United States
19°C14/28°C
20°C11/31°C
21°C12/30°C
20°C12/29°C
21°C14/29°C
20°C12/30°C
21°C12/31°C
22°C13/32°C
22°C14/32°C
20°C14/31°C
20°C12/30°C
21°C12/31°C
22°C13/32°C
20°C12/30°C
20°C13/28°C
19°C9/28°C
17°C12/23°C
14°C10/21°C
14°C6/21°C
16°C8/22°C
17°C8/25°C
20°C13/28°C
19°C10/28°C
21°C14/29°C
21°C10/31°C
21°C12/29°C
18°C10/25°C
18°C10/25°C
21°C14/29°C
20°C11/29°C
--°C/°C
37AQI
32AQI
33AQI
31AQI
2025 Days Vs Air Quality
Reno, Nevada, United States
98%
177
2%
4
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 266 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
Reno, Nevada, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
22AQI
34AQI
38AQI
31AQI
22AQI
22AQI
21AQI
28AQI
29AQI
29AQI
29AQI
23AQI
26AQI
42AQI
40AQI
32AQI
25AQI
30AQI
31AQI
34AQI
35AQI
31AQI
25AQI
27AQI
24AQI
26AQI
29AQI
35AQI
28AQI
31AQI
26AQI
16AQI
24AQI
31AQI
28AQI
22AQI
22AQI
26AQI
20AQI
20AQI
20AQI
30AQI
29AQI
28AQI
29AQI
24AQI
30AQI
26AQI
23AQI
19AQI
21AQI
23AQI
21AQI
20AQI
20AQI
25AQI
24AQI
24AQI
28AQI
28AQI
25AQI
28AQI
30AQI
32AQI
36AQI
35AQI
28AQI
27AQI
29AQI
27AQI
34AQI
36AQI
38AQI
36AQI
32AQI
34AQI
33AQI
33AQI
32AQI
29AQI
29AQI
28AQI
27AQI
33AQI
28AQI
32AQI
39AQI
34AQI
28AQI
27AQI
34AQI
33AQI
36AQI
38AQI
35AQI
35AQI
40AQI
36AQI
35AQI
25AQI
33AQI
31AQI
34AQI
32AQI
29AQI
40AQI
54AQI
51AQI
55AQI
58AQI
44AQI
43AQI
47AQI
41AQI
40AQI
36AQI
29AQI
23AQI
25AQI
29AQI
30AQI
28AQI
30AQI
35AQI
34AQI
32AQI
30AQI
29AQI
29AQI
26AQI
25AQI
28AQI
27AQI
28AQI
30AQI
28AQI
28AQI
30AQI
42AQI
38AQI
30AQI
32AQI
34AQI
20AQI
21AQI
23AQI
26AQI
29AQI
33AQI
36AQI
38AQI
35AQI
38AQI
43AQI
36AQI
37AQI
38AQI
49AQI
38AQI
31AQI
39AQI
35AQI
47AQI
48AQI
45AQI
36AQI
24AQI
21AQI
28AQI
24AQI
28AQI
30AQI
26AQI
24AQI
29AQI
35AQI
27AQI
25AQI
27AQI
29AQI
29AQI
29AQI
25AQI
32AQI
36AQI
32AQI
32AQI
No. of days
202531AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 1 Years
Reno's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .