Air Quality in Los Angeles, California
80
Median AQI (2024)
230
Max AQI (2024)
→ stable
10-Year Trend
Ozone
Primary Pollutant
38
Good Days (2024)
51
Monitoring Stations
AQI Trend (Median)
Air Quality Days by Category
Annual Summary
| Year | Median AQI | Max AQI | Good Days | Moderate Days | Unhealthy Days | Ozone Days | PM2.5 Days |
|---|---|---|---|---|---|---|---|
| 2024 | 80 | 230 | 38 | 195 | 133 | 198 | 158 |
| 2023 | 67 | 210 | 41 | 237 | 87 | 150 | 203 |
| 2022 | 74 | 209 | 17 | 254 | 94 | 170 | 167 |
| 2021 | 79 | 281 | 9 | 259 | 97 | 148 | 199 |
| 2020 | 85 | 250 | 35 | 194 | 137 | 180 | 175 |
| 2019 | 72 | 201 | 34 | 245 | 86 | 166 | 170 |
| 2018 | 78 | 201 | 7 | 250 | 108 | 153 | 189 |
| 2017 | 79 | 224 | 9 | 237 | 119 | 156 | 189 |
| 2016 | 77 | 226 | 7 | 255 | 104 | 152 | 190 |
| 2015 | 80 | 203 | 3 | 230 | 132 | 167 | 180 |
Recent Daily AQI
| Date | AQI | Category | Primary Pollutant |
|---|---|---|---|
| Dec 31, 2024 | 152 | Unhealthy | PM2.5 |
| Dec 30, 2024 | 98 | Moderate | PM2.5 |
| Dec 29, 2024 | 99 | Moderate | PM2.5 |
| Dec 28, 2024 | 88 | Moderate | PM2.5 |
| Dec 27, 2024 | 63 | Moderate | PM2.5 |
| Dec 26, 2024 | 74 | Moderate | PM2.5 |
| Dec 25, 2024 | 80 | Moderate | PM2.5 |
| Dec 24, 2024 | 129 | Unhealthy for Sensitive Groups | PM2.5 |
| Dec 23, 2024 | 127 | Unhealthy for Sensitive Groups | PM2.5 |
| Dec 22, 2024 | 99 | Moderate | PM2.5 |
| Dec 21, 2024 | 86 | Moderate | PM2.5 |
| Dec 20, 2024 | 106 | Unhealthy for Sensitive Groups | PM2.5 |
| Dec 19, 2024 | 63 | Moderate | PM2.5 |
| Dec 18, 2024 | 73 | Moderate | PM2.5 |
| Dec 17, 2024 | 77 | Moderate | PM2.5 |
| Dec 16, 2024 | 76 | Moderate | PM2.5 |
| Dec 15, 2024 | 74 | Moderate | PM2.5 |
| Dec 14, 2024 | 71 | Moderate | PM2.5 |
| Dec 13, 2024 | 71 | Moderate | PM2.5 |
| Dec 12, 2024 | 71 | Moderate | PM2.5 |
| Dec 11, 2024 | 59 | Moderate | PM2.5 |
| Dec 10, 2024 | 82 | Moderate | PM2.5 |
| Dec 9, 2024 | 103 | Unhealthy for Sensitive Groups | PM2.5 |
| Dec 8, 2024 | 90 | Moderate | PM2.5 |
| Dec 7, 2024 | 91 | Moderate | PM2.5 |
| Dec 6, 2024 | 105 | Unhealthy for Sensitive Groups | PM2.5 |
| Dec 5, 2024 | 155 | Unhealthy | PM2.5 |
| Dec 4, 2024 | 128 | Unhealthy for Sensitive Groups | PM2.5 |
| Dec 3, 2024 | 82 | Moderate | PM2.5 |
| Dec 2, 2024 | 78 | Moderate | PM2.5 |
| Dec 1, 2024 | 70 | Moderate | PM2.5 |
| Nov 30, 2024 | 54 | Moderate | PM2.5 |
| Nov 29, 2024 | 56 | Moderate | PM2.5 |
| Nov 28, 2024 | 62 | Moderate | PM2.5 |
| Nov 27, 2024 | 54 | Moderate | PM2.5 |
| Nov 26, 2024 | 58 | Moderate | PM2.5 |
| Nov 25, 2024 | 79 | Moderate | PM2.5 |
| Nov 24, 2024 | 49 | Good | PM2.5 |
| Nov 23, 2024 | 73 | Moderate | PM2.5 |
| Nov 22, 2024 | 73 | Moderate | PM2.5 |
| Nov 21, 2024 | 73 | Moderate | PM2.5 |
| Nov 20, 2024 | 68 | Moderate | PM2.5 |
| Nov 19, 2024 | 71 | Moderate | PM2.5 |
| Nov 18, 2024 | 90 | Moderate | PM10 |
| Nov 17, 2024 | 67 | Moderate | PM2.5 |
| Nov 16, 2024 | 78 | Moderate | PM2.5 |
| Nov 15, 2024 | 81 | Moderate | PM10 |
| Nov 14, 2024 | 66 | Moderate | PM2.5 |
| Nov 13, 2024 | 54 | Moderate | PM2.5 |
| Nov 12, 2024 | 54 | Moderate | PM2.5 |
| Nov 11, 2024 | 83 | Moderate | PM2.5 |
| Nov 10, 2024 | 108 | Unhealthy for Sensitive Groups | PM2.5 |
| Nov 9, 2024 | 80 | Moderate | PM2.5 |
| Nov 8, 2024 | 60 | Moderate | PM2.5 |
| Nov 7, 2024 | 60 | Moderate | PM2.5 |
| Nov 6, 2024 | 94 | Moderate | PM10 |
| Nov 5, 2024 | 55 | Moderate | PM2.5 |
| Nov 4, 2024 | 57 | Moderate | PM2.5 |
| Nov 3, 2024 | 48 | Good | PM2.5 |
| Nov 2, 2024 | 57 | Moderate | PM2.5 |
| Nov 1, 2024 | 62 | Moderate | PM2.5 |
| Oct 31, 2024 | 63 | Moderate | PM2.5 |
| Oct 30, 2024 | 55 | Moderate | PM2.5 |
| Oct 29, 2024 | 54 | Moderate | PM10 |
| Oct 28, 2024 | 71 | Moderate | PM10 |
| Oct 27, 2024 | 105 | Unhealthy for Sensitive Groups | Ozone |
| Oct 26, 2024 | 122 | Unhealthy for Sensitive Groups | Ozone |
| Oct 25, 2024 | 108 | Unhealthy for Sensitive Groups | Ozone |
| Oct 24, 2024 | 150 | Unhealthy for Sensitive Groups | Ozone |
| Oct 23, 2024 | 122 | Unhealthy for Sensitive Groups | Ozone |
| Oct 22, 2024 | 87 | Moderate | Ozone |
| Oct 21, 2024 | 67 | Moderate | Ozone |
| Oct 20, 2024 | 67 | Moderate | Ozone |
| Oct 19, 2024 | 62 | Moderate | PM2.5 |
| Oct 18, 2024 | 58 | Moderate | PM10 |
| Oct 17, 2024 | 61 | Moderate | PM2.5 |
| Oct 16, 2024 | 81 | Moderate | PM2.5 |
| Oct 15, 2024 | 83 | Moderate | PM2.5 |
| Oct 14, 2024 | 68 | Moderate | PM2.5 |
| Oct 13, 2024 | 101 | Unhealthy for Sensitive Groups | Ozone |
| Oct 12, 2024 | 100 | Moderate | Ozone |
| Oct 11, 2024 | 97 | Moderate | Ozone |
| Oct 10, 2024 | 119 | Unhealthy for Sensitive Groups | Ozone |
| Oct 9, 2024 | 105 | Unhealthy for Sensitive Groups | Ozone |
| Oct 8, 2024 | 108 | Unhealthy for Sensitive Groups | Ozone |
| Oct 7, 2024 | 154 | Unhealthy | Ozone |
| Oct 6, 2024 | 172 | Unhealthy | Ozone |
| Oct 5, 2024 | 172 | Unhealthy | Ozone |
| Oct 4, 2024 | 164 | Unhealthy | Ozone |
| Oct 3, 2024 | 203 | Very Unhealthy | Ozone |
Monitoring Stations
301 CRESENT AVENUE, AVALON, CA 90704
3713 SAN GABRIEL RIVER PKWY, PICO RIVERA
SAN FERNANDO RD, SANTA CLARITA (NEWHALL)
155 Ferry Street, San Pedro
Berth 47 (South end of Miner St), San Pedro
100 South Harbor Boulevard, San Pedro
706 Bayview Avenue, Wilmington
AIR RESOURCES BOARD BUILDING, EL MONTE
ATSF (Exide)
Carson
City of Industry-Volkswagon
City of Industry-Whitco
Closet World (Quemetco)
Commerce-AT&SF RR
Commerce-Ayers Ave
Compton
EL MONTE AIRPORT - PROFILER FOR SCOS97
El Monte
Felton Elementary School
Glendora
Frequently Asked Questions
What is the air quality in Los Angeles, California?
Based on EPA data from 2024, Los Angeles has a median Air Quality Index (AQI) of 80, which is classified as "Moderate." The primary pollutant is Ozone. Over the past 10 years, air quality has been stable.
Is Los Angeles a good place to live for air quality?
Los Angeles has a 10-year average median AQI of 77. In 2024, there were 38 days with "Good" air quality and 133 days with unhealthy conditions. Unusually sensitive individuals should consider reducing prolonged outdoor exertion.
What pollutants affect Los Angeles the most?
The primary pollutant driving the AQI in Los Angeles is Ozone. This is monitored by 51 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.
How many air quality monitoring stations are in Los Angeles?
There are 51 active EPA monitoring stations in Los Angeles, California. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.