Hill St, Pullman, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Hill St, Pullman, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 25 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Hill St, Pullman, Washington, United States
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
33AQI
26AQI
28AQI
24AQI
In the last 24 hours,
Hill St's AQI reached its highest point of 33 at 7 AM during the Day, while the lowest point, 24, was recorded at 3 AM during the Night between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Hill St, Pullman, Washington, United States
20°C13/28°C
18°C12/25°C
17°C10/24°C
17°C9/24°C
19°C11/27°C
17°C10/25°C
21°C9/31°C
15°C10/17°C
13°C7/19°C
12°C7/18°C
10°C6/14°C
11°C4/18°C
14°C7/20°C
15°C8/21°C
15°C10/22°C
17°C8/24°C
19°C9/27°C
22°C13/29°C
21°C13/27°C
22°C13/30°C
14°C10/18°C
19°C12/26°C
24°C15/33°C
20°C14/26°C
15°C11/22°C
16°C10/23°C
18°C11/25°C
18°C9/27°C
20°C11/27°C
18°C12/25°C
46AQI
29AQI
36AQI
29AQI
2026 Days Vs Air Quality
Hill St, Pullman, Washington, United States
95%
145
5%
7
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 155 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
Hill St, Pullman, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
22AQI (US)
13AQI (US)
13AQI (US)
21AQI (US)
14AQI (US)
11AQI (US)
15AQI (US)
14AQI (US)
14AQI (US)
19AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
30AQI (US)
23AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
22AQI (US)
28AQI (US)
47AQI (US)
52AQI (US)
48AQI (US)
45AQI (US)
45AQI (US)
39AQI (US)
44AQI (US)
47AQI (US)
46AQI (US)
41AQI (US)
47AQI (US)
47AQI (US)
46AQI (US)
45AQI (US)
47AQI (US)
38AQI (US)
36AQI (US)
44AQI (US)
41AQI (US)
42AQI (US)
36AQI (US)
38AQI (US)
46AQI (US)
44AQI (US)
34AQI (US)
42AQI (US)
43AQI (US)
38AQI (US)
40AQI (US)
37AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
40AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
55AQI (US)
42AQI (US)
45AQI (US)
39AQI (US)
30AQI (US)
39AQI (US)
39AQI (US)
37AQI (US)
35AQI (US)
38AQI (US)
38AQI (US)
38AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
31AQI (US)
30AQI (US)
33AQI (US)
39AQI (US)
36AQI (US)
34AQI (US)
37AQI (US)
36AQI (US)
31AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
31AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
34AQI (US)
35AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
47AQI (US)
51AQI (US)
57AQI (US)
56AQI (US)
55AQI (US)
52AQI (US)
39AQI (US)
48AQI (US)
49AQI (US)
45AQI (US)
43AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
40AQI (US)
35AQI (US)
27AQI (US)
35AQI (US)
29AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February40AQI (US)
Lowest AQI (US) recorded in
April27AQI (US)
202526AQI (US)
Highest AQI (US) recorded in
September53AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202422AQI (US)
Highest AQI (US) recorded in
July37AQI (US)
Lowest AQI (US) recorded in
March9AQI (US)
202321AQI (US)
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
April12AQI (US)
202221AQI (US)
Highest AQI (US) recorded in
September52AQI (US)
Lowest AQI (US) recorded in
March9AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
August64AQI (US)
Lowest AQI (US) recorded in
May11AQI (US)
202023AQI (US)
Highest AQI (US) recorded in
September68AQI (US)
Lowest AQI (US) recorded in
May10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hill St's annual 2026 AQI (US) (33) shows an average percentage change of 47.4% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (22), 2022 (21), 2023 (21), 2024 (22), 2025 (26).