Dublin, 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
Dublin, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Feb - 7th Feb 2026
Dublin, California, United States
7 AM6th Feb 2026
5 PM
6 AM7th Feb 2026
68AQI
35AQI
60AQI
24AQI
In the last 24 hours,
Dublin's AQI reached its highest point of 68 at 11 AM during the Day, while the lowest point, 24, was recorded at 6 AM during the Night between 6th Feb and 7th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Dublin, California, United States
8°C4/13°C
8°C3/16°C
10°C5/17°C
10°C4/18°C
10°C4/18°C
11°C6/19°C
12°C5/19°C
13°C9/19°C
12°C8/18°C
12°C9/19°C
11°C4/18°C
8°C4/16°C
10°C6/17°C
12°C6/20°C
9°C4/17°C
10°C5/20°C
7°C2/13°C
9°C4/16°C
10°C2/20°C
12°C7/18°C
11°C5/18°C
11°C6/18°C
12°C7/20°C
13°C5/21°C
13°C6/23°C
12°C6/20°C
13°C7/21°C
13°C6/23°C
16°C9/26°C
13°C7/23°C
54AQI
39AQI
46AQI
44AQI
2026 Days Vs Air Quality
Dublin, California, United States
87%
33
13%
5
Total number of days with different AQI categories in last 40 days in 2026 (325 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 40 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Dublin, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
16AQI (US)
16AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
20AQI (US)
45AQI (US)
38AQI (US)
40AQI (US)
48AQI (US)
47AQI (US)
59AQI (US)
43AQI (US)
54AQI (US)
60AQI (US)
46AQI (US)
44AQI (US)
49AQI (US)
46AQI (US)
49AQI (US)
43AQI (US)
40AQI (US)
45AQI (US)
40AQI (US)
47AQI (US)
53AQI (US)
54AQI (US)
39AQI (US)
46AQI (US)
48AQI (US)
46AQI (US)
45AQI (US)
44AQI (US)
43AQI (US)
36AQI (US)
39AQI (US)
44AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
January39AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
December48AQI (US)
Lowest AQI (US) recorded in
March23AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
December40AQI (US)
Lowest AQI (US) recorded in
April12AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
September53AQI (US)
Lowest AQI (US) recorded in
June5AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
March22AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Dublin's annual 2026 AQI (US) (40) shows an average percentage change of 27.8% (worsened AQI (US)) compared to previous years: 2021 (35), 2022 (31), 2023 (27), 2024 (29), 2025 (35).