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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 | Clear sky |
Temperature | 53.6°F |
Humidity | 79% |
Wind | 7.9 mp/h |
Pressure | 30.1 Hg |
# | city | US AQI |
---|---|---|
1 | Nipomo, California | 71 |
2 | Corpus Christi, Texas | 66 |
3 | The Woodlands, Texas | 63 |
4 | Arroyo Grande, California | 61 |
5 | Baton Rouge, Louisiana | 61 |
6 | Austin, Texas | 58 |
7 | Frederick, Maryland | 58 |
8 | Buffalo, New York | 57 |
9 | Throop, Pennsylvania | 57 |
10 | Bethlehem, Pennsylvania | 56 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Antonio Court | 20 |
2 | 14 Arastradero | 14 |
3 | 3249 Alpine Road | 11 |
4 | 4139 Alpine Road | 11 |
5 | Alpine Hills | 11 |
6 | Ladera - Lucero and Mimosa | 11 |
7 | San Francisquito Creek Road | 11 |
8 | Loop Road | 10 |
9 | 9 Valley Oak Street | 9 |
10 | Buck Meadow Drive | 9 |
(local time)
SEE WORLD AQI RANKINGUS AQI
8
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 8 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 2µg/m³ |
PM2.5 concentration in Portola Valley air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Thursday, Apr 25 | Good 5 AQI US | 60.8° 48.2° | 15.7 mp/h | |
Friday, Apr 26 | Good 7 AQI US | 64.4° 48.2° | 11.2 mp/h | |
Saturday, Apr 27 | Good 9 AQI US | 64.4° 48.2° | 11.2 mp/h | |
Today | Good 8 AQI US | 60.8° 46.4° | 15.7 mp/h | |
Monday, Apr 29 | Good 21 AQI US | 60.8° 44.6° | 13.4 mp/h | |
Tuesday, Apr 30 | Good 20 AQI US | 64.4° 44.6° | 13.4 mp/h | |
Wednesday, May 1 | Good 20 AQI US | 68° 50° | 8.9 mp/h | |
Thursday, May 2 | Good 15 AQI US | 66.2° 50° | 6.7 mp/h | |
Friday, May 3 | Good 13 AQI US | 100% | 53.6° 46.4° | 8.9 mp/h |
Saturday, May 4 | Good 10 AQI US | 90% | 57.2° 46.4° | 8.9 mp/h |
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27Contributors
27 Anonymous Contributors
27 stations
1 Data source