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Air quality near Castle Hill Road, Redwood City
Air quality index (AQI) and PM2.5 air pollution near Castle Hill Road, Redwood City
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Air Quality Map
Real-time Castle Hill Road air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Castle Hill Road today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Weather
What is the current weather near Castle Hill Road, Redwood City?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 87% |
| Wind | 4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 76 |
| 2 | Rapid City, South Dakota | 65 |
| 3 | Nevada County, California | 61 |
| 4 | Libby, Montana | 60 |
| 5 | Saint Petersburg, Florida | 60 |
| 6 | Cary, North Carolina | 57 |
| 7 | Tampa, Florida | 57 |
| 8 | Yucaipa, California | 56 |
| 9 | Raleigh, North Carolina | 53 |
| 10 | Placer, California | 52 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Redwood City air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Sanchez Way | 45 |
| 2 | Maple Way | 41 |
| 3 | Vera Cash Market | 36 |
| 4 | Stanford University Press | 30 |
| 5 | Emerald Hillbillies | 23 |
| 6 | Bel Air Way | 20 |
| 7 | Chestnut Street 2 | 18 |
| 8 | Flower Street | 18 |
| 9 | Hawes Right Field | 18 |
| 10 | 125 Elwood Street | 17 |
(local time)
SEE WORLD AQI RANKING
US AQI
46
live AQI index
Good
Overview
What is the current air quality near Castle Hill Road, Redwood City?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 46 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.2µg/m³ | |
Health Recommendations
What is the current air quality near Castle Hill Road, Redwood City?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Castle Hill Road, Redwood City air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Aug 24 | Good 36 AQI US |  | 75.2° 55.4° |  6.7 mp/h |
| Thursday, Aug 25 | Good 14 AQI US |  | 73.4° 53.6° | 6.7 mp/h |
| Friday, Aug 26 | Good 17 AQI US | | 75.2° 53.6° | 6.7 mp/h |
| Saturday, Aug 27 | Good 15 AQI US | | 69.8° 53.6° | 8.9 mp/h |
| Sunday, Aug 28 | Good 17 AQI US | | 69.8° 51.8° | 8.9 mp/h |
| Monday, Aug 29 | Good 19 AQI US | | 73.4° 51.8° | 6.7 mp/h |
| Tuesday, Aug 30 | Good 18 AQI US | | 78.8° 55.4° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Castle Hill Road air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Redwood City?
- Farm Hills 6
- Midpeninsula Regional Open Space District - SFO 6
- Seabrook Court 6
- Vernal Way, Emerald Hills 7
- Chatham Court 8
- Harvest Drive 8
- Ohio Avenue 8
- Palm Park 8
- 856 Chesterton 10
- Santa Clara Avenue at Barton Street 10
- 29 Barcelona Circle 11
- Cerrito Avenue 11
- Columbia Avenue 12
- Keel Lane 12
- Palomar Park 12
- 18th Avenue RWC 13
- Odessa Court 13
- Sanchez Way 2 13
- Stony Hill Road 13
- Vera Avenue 13
- Arch Street 14
- Chelsea Way 14
- Myrtle Street 14
- Red Oak Way 14
- Roosevelt Avenue 14
- Upland Road 14
- 1617 Anamor Street 15
- Bair Island 15
- Canyon Road 15
- Eden Bower Lane 15
- Redwood Oaks 15
- Vista Court 15
- Vista Drive 15
- Arlington Road 16
- Gossamer Hollow 16
- Hudson Street 16
- Waverly Avenue 16
- 125 Elwood Street 17
- Laurel Way 17
- Ralston Road 17
- Redwood Oaks 2 17
- Chestnut Street 2 18
- Flower Street 18
- Hawes Right Field 18
- Bel Air Way 20
- Emerald Hillbillies 23
- Stanford University Press 30
- Vera Cash Market 36
- Maple Way 41
- Sanchez Way 45
AQI US, Metric