East 20th Street Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Signal Hill
Last Updated: 2026-07-17 14:51:02 (Local Time)
28 °C
Partly Cloudy
Currently, Signal Hill ranks 506th among the cities with the highest AQI levels in the world.
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East 20th Street
AQI (US) Trends - Annual Air Quality Changes
East 20th Street, Signal Hill, California, United States
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East 20th Street
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East 20th Street
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI (US)
Prevent Health Problems: Understand Your Risks
East 20th Street
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Lansing, Michigan
Severe
15xabove Standard
2.
Steubenville, Ohio
Severe
14xabove Standard
3.
Toledo, Ohio
Severe
14xabove Standard
4.
Tecumseh, Michigan
Severe
13xabove Standard
5.
Canton, Ohio
Severe
13xabove Standard
6.
Kalamazoo, Michigan
Severe
13xabove Standard
7.
Cadillac, Michigan
Severe
12xabove Standard
8.
Ypsilanti, Michigan
Severe
12xabove Standard
9.
Allen Park, Michigan
Severe
11xabove Standard
10.
Akron, Ohio
Severe
11xabove Standard
Last Updated: 17 Jul 2026, 10:06 PM
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Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in East 20th Street?
1. What is the current AQI (US) level in East 20th Street?
The current real-time AQI (US) level in East 20th Street is 71 (Moderate). This was last updated 2026-07-17 14:51:02 (Local Time).
2. When was the best AQI (US) level in East 20th Street in the last 24 hours?
2. When was the best AQI (US) level in East 20th Street in the last 24 hours?
The best AQI (US) level was 27 (Good) at 1:01 AM (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in East 20th Street in the last 24 hours?
3. When was the worst AQI (US) level in East 20th Street in the last 24 hours?
The worst AQI (US) level was 72 (Moderate) at 3:31 PM, Jul 16, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in East 20th Street during last 24 hours?
4. What is the current trend of AQI (US) levels in East 20th Street during last 24 hours?
The AQI (US) levels in East 20th Street have been fluctuating throughout the last 24 hours. The levels have increased by highest 72 at 3:31 PM, Jul 16, 2026 (Local Time), lowest 27 at 1:01 AM (Local Time).
5. What actions are recommended as per the current AQI (US) level in East 20th Street?
5. What actions are recommended as per the current AQI (US) level in East 20th Street?
Current AQI (US) levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.
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