Temecula, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Temecula, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th February):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Feb - 18th Feb 2026
Temecula, California, United States
6 AM17th Feb 2026
5 PM
5 AM18th Feb 2026
93AQI
36AQI
42AQI
12AQI
In the last 24 hours,
Temecula's AQI reached its highest point of 93 at 10 AM during the Day, while the lowest point, 12, was recorded at 8 PM during the Night between 17th Feb and 18th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Temecula, California, United States
16°C8/28°C
14°C8/23°C
13°C9/22°C
14°C9/21°C
13°C9/18°C
12°C4/22°C
14°C6/25°C
13°C3/25°C
14°C5/26°C
16°C6/29°C
17°C7/31°C
18°C10/31°C
18°C10/31°C
16°C8/26°C
17°C7/31°C
20°C10/33°C
19°C11/30°C
15°C11/21°C
16°C10/26°C
21°C14/30°C
20°C14/29°C
14°C11/20°C
13°C11/14°C
13°C10/22°C
14°C10/22°C
12°C8/21°C
13°C9/20°C
11°C9/15°C
10°C8/13°C
10°C7/13°C
54AQI
29AQI
36AQI
27AQI
2026 Days Vs Air Quality
Temecula, California, United States
98%
48
2%
1
Total number of days with different AQI categories in last 50 days in 2026 (315 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2026, 98% of 50 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
Temecula, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
16AQI (US)
9AQI (US)
12AQI (US)
17AQI (US)
19AQI (US)
19AQI (US)
23AQI (US)
14AQI (US)
16AQI (US)
17AQI (US)
15AQI (US)
18AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
27AQI (US)
22AQI (US)
39AQI (US)
46AQI (US)
44AQI (US)
30AQI (US)
38AQI (US)
37AQI (US)
26AQI (US)
33AQI (US)
41AQI (US)
53AQI (US)
29AQI (US)
44AQI (US)
46AQI (US)
44AQI (US)
35AQI (US)
42AQI (US)
41AQI (US)
40AQI (US)
33AQI (US)
40AQI (US)
37AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
37AQI (US)
34AQI (US)
36AQI (US)
25AQI (US)
36AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
January25AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
March30AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Temecula's annual 2026 AQI (US) (29) shows an average percentage change of -28.9% (improved AQI (US)) compared to previous years: 2025 (41).