Midland, Washington, 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
Midland, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 18 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Midland, Washington, United States
5 AM1st Aug 2025
9 PM
4 AM2nd Aug 2025
18AQI
15AQI
26AQI
16AQI
In the last 24 hours,
Midland's AQI reached its highest point of 26 at 12 AM during the Night, while the lowest point, 15, was recorded at 7 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Midland, Washington, United States
16°C12/21°C
18°C13/22°C
18°C13/25°C
21°C15/29°C
23°C16/31°C
22°C15/31°C
18°C15/21°C
18°C15/23°C
23°C15/30°C
23°C17/31°C
26°C19/34°C
19°C17/21°C
23°C15/32°C
27°C20/35°C
22°C14/31°C
17°C15/20°C
17°C14/21°C
17°C13/20°C
18°C14/23°C
18°C14/22°C
22°C16/30°C
18°C14/22°C
17°C14/21°C
17°C13/21°C
19°C14/26°C
21°C14/29°C
23°C15/32°C
24°C17/32°C
22°C16/30°C
18°C15/22°C
--°C/°C
20AQI
18AQI
20AQI
20AQI
2025 Days Vs Air Quality
Midland, Washington, United States
94%
201
6%
12
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 214 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
Midland, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
41AQI
27AQI
38AQI
27AQI
22AQI
33AQI
31AQI
33AQI
32AQI
27AQI
46AQI
51AQI
46AQI
46AQI
31AQI
40AQI
72AQI
77AQI
63AQI
67AQI
69AQI
62AQI
43AQI
48AQI
68AQI
75AQI
77AQI
69AQI
63AQI
33AQI
23AQI
26AQI
28AQI
30AQI
24AQI
24AQI
26AQI
29AQI
45AQI
40AQI
25AQI
38AQI
24AQI
39AQI
34AQI
29AQI
23AQI
22AQI
25AQI
20AQI
33AQI
22AQI
16AQI
22AQI
19AQI
28AQI
42AQI
40AQI
44AQI
27AQI
22AQI
23AQI
20AQI
24AQI
41AQI
34AQI
23AQI
19AQI
30AQI
19AQI
17AQI
19AQI
21AQI
19AQI
21AQI
18AQI
24AQI
16AQI
18AQI
17AQI
20AQI
17AQI
21AQI
23AQI
16AQI
16AQI
16AQI
27AQI
18AQI
20AQI
17AQI
19AQI
39AQI
34AQI
24AQI
15AQI
15AQI
14AQI
34AQI
15AQI
18AQI
20AQI
20AQI
19AQI
24AQI
22AQI
27AQI
24AQI
17AQI
15AQI
19AQI
20AQI
28AQI
35AQI
34AQI
23AQI
15AQI
14AQI
17AQI
29AQI
27AQI
15AQI
15AQI
18AQI
25AQI
16AQI
16AQI
19AQI
22AQI
19AQI
16AQI
17AQI
19AQI
17AQI
14AQI
13AQI
13AQI
14AQI
11AQI
12AQI
13AQI
11AQI
17AQI
13AQI
15AQI
15AQI
17AQI
13AQI
20AQI
19AQI
17AQI
23AQI
24AQI
21AQI
16AQI
18AQI
19AQI
28AQI
26AQI
36AQI
36AQI
29AQI
21AQI
19AQI
20AQI
20AQI
17AQI
14AQI
16AQI
14AQI
12AQI
12AQI
14AQI
28AQI
19AQI
14AQI
15AQI
13AQI
16AQI
19AQI
22AQI
17AQI
15AQI
18AQI
29AQI
23AQI
19AQI
22AQI
15AQI
14AQI
17AQI
19AQI
20AQI
22AQI
21AQI
26AQI
33AQI
28AQI
19AQI
16AQI
20AQI
15AQI
15AQI
16AQI
16AQI
15AQI
16AQI
17AQI
24AQI
25AQI
23AQI
18AQI
48AQI
28AQI
22AQI
22AQI
17AQI
20AQI
20AQI
18AQI
No. of days
202525AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
May17AQI
202423AQI
Highest AQI recorded in
December35AQI
Lowest AQI recorded in
May13AQI
202327AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
April18AQI
202232AQI
Highest AQI recorded in
October64AQI
Lowest AQI recorded in
May15AQI
202124AQI
Highest AQI recorded in
January37AQI
Lowest AQI recorded in
July16AQI
202032AQI
Highest AQI recorded in
September75AQI
Lowest AQI recorded in
June16AQI
Most & Least Polluted Years Over the Last 6 Years
Midland's annual 2025 AQI (25) shows an average percentage change of -6.1% (improved AQI) compared to previous years: 2020 (32), 2021 (24), 2022 (32), 2023 (27), 2024 (23).