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AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Clear sky |
Temperature | 66.2°F |
Humidity | 50% |
Wind | 10.4 mp/h |
Pressure | 29.8 Hg |
# | city | US AQI |
---|---|---|
1 | Corpus Christi, Texas | 95 |
2 | Mecca, California | 92 |
3 | Casa Grande, Arizona | 77 |
4 | Claremont, California | 71 |
5 | Hot Springs, South Dakota | 70 |
6 | Pomona, California | 66 |
7 | La Habra, California | 65 |
8 | La Verne, California | 64 |
9 | North Hollywood, California | 63 |
10 | Fontana, California | 62 |
(local time)
SEE WORLD AQI RANKINGUS AQI
53*
live AQI index
Moderate
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Moderate | 53* US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 10.4*µg/m³ |
PM2.5
x2.1
PM2.5 concentration in San Ysidro is currently 2.1 times the WHO annual air quality guideline value
Sensitive groups should reduce outdoor exercise | |
Close your windows to avoid dirty outdoor air GET A MONITOR | |
Sensitive groups should wear a mask outdoors GET A MASK | |
Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Moderate 53 AQI US | 84.2° 57.2° | 24.6 mp/h | |
Sunday, May 12 | Good 18 AQI US | 82.4° 55.4° | 24.6 mp/h | |
Monday, May 13 | Good 18 AQI US | 86° 57.2° | 13.4 mp/h | |
Tuesday, May 14 | Good 19 AQI US | 87.8° 60.8° | 15.7 mp/h | |
Wednesday, May 15 | Good 40 AQI US | 84.2° 64.4° | 22.4 mp/h | |
Thursday, May 16 | Moderate 59 AQI US | 82.4° 53.6° | 11.2 mp/h | |
Friday, May 17 | Moderate 58 AQI US | 80.6° 53.6° | 20.1 mp/h |
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