Be the first to measure and contribute air quality data to your community
30 people follow this city
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 | Broken clouds |
Temperature | 46.4°F |
Humidity | 78% |
Wind | 2.1 mp/h |
Pressure | 29.9 Hg |
# | city | US AQI |
---|---|---|
1 | San Bernardino, California | 82 |
2 | Signal Hill, California | 80 |
3 | Redlands, California | 79 |
4 | Downey, California | 77 |
5 | Fontana, California | 77 |
6 | La Habra, California | 76 |
7 | San Gabriel, California | 76 |
8 | Monterey Park, California | 74 |
9 | South Gate, California | 74 |
10 | Claremont, California | 72 |
(local time)
SEE WORLD AQI RANKINGUS AQI
12*
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 12* US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 2.2*µg/m³ |
PM2.5 concentration in Hillsborough air currently meets the WHO annual air quality guideline value
Enjoy outdoor activities | |
Open your windows to bring clean, fresh air indoors GET A MONITOR |
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 12 AQI US | 53.6° 41° | 6.7 mp/h | |
Sunday, May 12 | Good 13 AQI US | 53.6° 37.4° | 4.5 mp/h | |
Monday, May 13 | Good 18 AQI US | 90% | 60.8° 39.2° | 6.7 mp/h |
Tuesday, May 14 | Moderate 52 AQI US | 100% | 64.4° 46.4° | 11.2 mp/h |
Wednesday, May 15 | Good 37 AQI US | 100% | 57.2° 55.4° | 4.5 mp/h |
Thursday, May 16 | Good 41 AQI US | 68° 48.2° | 11.2 mp/h | |
Friday, May 17 | Good 9 AQI US | 69.8° 44.6° | 4.5 mp/h |
Interested in hourly forecast? Get the app
No locations are available.