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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 | Mist |
Temperature | 48.2°F |
Humidity | 87% |
Wind | 5.7 mp/h |
Pressure | 29.9 Hg |
# | city | US AQI |
---|---|---|
1 | Palm Desert, California | 95 |
2 | Marana, Arizona | 90 |
3 | Mecca, California | 90 |
4 | Corpus Christi, Texas | 82 |
5 | New Braunfels, Texas | 81 |
6 | San Antonio, Texas | 78 |
7 | Maricopa, Arizona | 77 |
8 | Boerne, Texas | 74 |
9 | Cleveland, Ohio | 73 |
10 | Redlands, California | 72 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Maple Way | 47 |
2 | Sanchez Way | 45 |
3 | Stanford University Press | 35 |
4 | Ralston Road | 27 |
5 | Bair Island | 26 |
6 | Chestnut Street 2 | 26 |
7 | Gossamer Hollow | 26 |
8 | Hawes Right Field | 26 |
9 | 125 Elwood Street | 25 |
10 | Eden Bower Lane | 23 |
(local time)
SEE WORLD AQI RANKINGUS AQI
19
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 19 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 3.4µg/m³ |
PM2.5 concentration in Redwood City air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Friday, May 17 | Good 16 AQI US | 68° 51.8° | 8.9 mp/h | |
Saturday, May 18 | Good 23 AQI US | 68° 48.2° | 8.9 mp/h | |
Sunday, May 19 | Good 28 AQI US | 68° 48.2° | 6.7 mp/h | |
Today | Good 19 AQI US | 68° 48.2° | 6.7 mp/h | |
Tuesday, May 21 | Good 35 AQI US | 73.4° 50° | 8.9 mp/h | |
Wednesday, May 22 | Good 44 AQI US | 66.2° 50° | 8.9 mp/h | |
Thursday, May 23 | Good 40 AQI US | 62.6° 48.2° | 13.4 mp/h | |
Friday, May 24 | Good 30 AQI US | 66.2° 48.2° | 11.2 mp/h | |
Saturday, May 25 | Good 42 AQI US | 60.8° 48.2° | 8.9 mp/h | |
Sunday, May 26 | Good 17 AQI US | 66.2° 48.2° | 8.9 mp/h |
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48Contributors
2 Government Contributors
1 station
3 Individual Contributors
1 station
1 station
1 station
43 Anonymous Contributors
43 stations
5 Data sources