Northwest Hills, Austin, Texas, 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
Northwest Hills, Austin, Texas, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Northwest Hills, Austin, Texas, United States
6 AM11th Aug 2025
8 PM
5 AM12th Aug 2025
48AQI
35AQI
41AQI
33AQI
In the last 24 hours,
Northwest Hills's AQI reached its highest point of 48 at 1 PM during the Day, while the lowest point, 33, was recorded at 3 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Northwest Hills, Austin, Texas, United States
28°C24/33°C
29°C24/34°C
29°C24/36°C
30°C23/37°C
30°C24/37°C
30°C23/37°C
31°C24/39°C
29°C26/33°C
31°C25/39°C
30°C23/40°C
31°C25/40°C
31°C24/40°C
31°C24/36°C
29°C25/36°C
30°C26/36°C
31°C25/39°C
32°C24/41°C
32°C23/41°C
33°C24/42°C
34°C26/41°C
32°C27/41°C
32°C25/40°C
30°C26/35°C
31°C24/39°C
32°C25/40°C
33°C26/41°C
33°C25/41°C
32°C26/39°C
32°C26/39°C
31°C25/37°C
--°C/°C
47AQI
42AQI
44AQI
41AQI
2025 Days Vs Air Quality
Northwest Hills, Austin, Texas, United States
64%
89
36%
49
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 64%
Health Risk Level:
Moderate
In 2025, 64% of 224 days were within WHO’s safe air quality limits, and 36% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Northwest Hills, Austin, Texas, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI
32AQI
31AQI
43AQI
71AQI
52AQI
55AQI
65AQI
74AQI
61AQI
28AQI
24AQI
25AQI
36AQI
37AQI
44AQI
46AQI
52AQI
44AQI
43AQI
46AQI
52AQI
43AQI
55AQI
62AQI
46AQI
26AQI
45AQI
42AQI
59AQI
54AQI
60AQI
53AQI
55AQI
49AQI
56AQI
56AQI
42AQI
27AQI
28AQI
35AQI
45AQI
36AQI
39AQI
26AQI
32AQI
36AQI
37AQI
46AQI
53AQI
65AQI
68AQI
73AQI
58AQI
65AQI
61AQI
38AQI
62AQI
51AQI
56AQI
60AQI
60AQI
36AQI
34AQI
39AQI
40AQI
41AQI
48AQI
50AQI
60AQI
57AQI
52AQI
57AQI
56AQI
58AQI
49AQI
50AQI
37AQI
33AQI
38AQI
54AQI
55AQI
37AQI
39AQI
57AQI
54AQI
52AQI
38AQI
43AQI
48AQI
34AQI
24AQI
26AQI
28AQI
28AQI
29AQI
44AQI
48AQI
53AQI
45AQI
43AQI
57AQI
60AQI
55AQI
50AQI
37AQI
41AQI
50AQI
42AQI
37AQI
34AQI
49AQI
59AQI
63AQI
49AQI
46AQI
44AQI
49AQI
45AQI
41AQI
34AQI
31AQI
31AQI
33AQI
50AQI
59AQI
53AQI
52AQI
44AQI
42AQI
42AQI
33AQI
42AQI
44AQI
39AQI
39AQI
43AQI
40AQI
46AQI
48AQI
47AQI
45AQI
46AQI
41AQI
No. of days
202546AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August41AQI
Most & Least Polluted Years Over the Last 1 Years
Northwest Hills's annual 2025 AQI (46) shows an average percentage change of NaN% (improved AQI) compared to previous years: .