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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Low | ||
Tree pollen | Low | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 55.4°F |
Humidity | 86% |
Wind | 4 mp/h |
Pressure | 29.9 Hg |
# | city | US AQI |
---|---|---|
1 | Visalia, California | 84 |
2 | North Hollywood, California | 75 |
3 | Porterville, California | 75 |
4 | Clear Brook, Virginia | 74 |
5 | Palm Desert, California | 72 |
6 | Peaceful Valley, Washington | 72 |
7 | San Fernando, California | 72 |
8 | Van Nuys, California | 72 |
9 | San Bernardino, California | 70 |
10 | Glendale, California | 64 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | CSUSM COMMONS | 34 |
2 | Tucana Drive | 34 |
3 | East Barham Drive | 11 |
(local time)
SEE WORLD AQI RANKINGUS AQI
34
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 34 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 8.2µg/m³ |
PM2.5
x1.6
PM2.5 concentration in San Marcos is currently 1.6 times the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Tuesday, Apr 16 | Good 12 AQI US | 71.6° 53.6° | 8.9 mp/h | |
Wednesday, Apr 17 | Good 17 AQI US | 68° 53.6° | 11.2 mp/h | |
Thursday, Apr 18 | Good 20 AQI US | 66.2° 53.6° | 8.9 mp/h | |
Today | Good 34 AQI US | 66.2° 53.6° | 8.9 mp/h | |
Saturday, Apr 20 | Good 30 AQI US | 69.8° 51.8° | 8.9 mp/h | |
Sunday, Apr 21 | Good 29 AQI US | 73.4° 55.4° | 8.9 mp/h | |
Monday, Apr 22 | Good 31 AQI US | 69.8° 55.4° | 8.9 mp/h | |
Tuesday, Apr 23 | Good 17 AQI US | 64.4° 53.6° | 11.2 mp/h | |
Wednesday, Apr 24 | Good 16 AQI US | 20% | 59° 53.6° | 11.2 mp/h |
Thursday, Apr 25 | Good 16 AQI US | 20% | 62.6° 51.8° | 11.2 mp/h |
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