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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
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 | Mecca, California | 80 |
| 2 | North Hollywood, California | 75 |
| 3 | Maricopa, Arizona | 72 |
| 4 | Wilmington, Delaware | 71 |
| 5 | Baton Rouge, Louisiana | 68 |
| 6 | Marana, Arizona | 66 |
| 7 | Corpus Christi, Texas | 65 |
| 8 | San Antonio, Texas | 64 |
| 9 | Bethlehem, Pennsylvania | 63 |
| 10 | Boerne, Texas | 63 |
(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 | 26 |
| 2 | Ralston Road | 24 |
| 3 | Emerald Hillbillies | 17 |
| 4 | Maple Way | 17 |
| 5 | Bair Island | 16 |
| 6 | Hawes Right Field | 16 |
| 7 | Sanchez Way 2 | 16 |
| 8 | Chestnut Street 2 | 15 |
| 9 | Gossamer Hollow | 15 |
| 10 | Arch Street | 14 |
(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?
- Star Hill Road 1
- Seabrook Court 3
- Ohio Avenue 4
- Farm Hills 5
- Chatham Court 6
- Flower Street 6
- Santa Clara Avenue at Barton Street 6
- Palm Park 7
- 856 Chesterton 8
- Cerrito Avenue 8
- Columbia Avenue 8
- 1617 Anamor Street 9
- 18th Avenue RWC 9
- Keel Lane 9
- Redwood Oaks 9
- Redwood Oaks 2 9
- Arlington Road 10
- Bel Air Way 10
- Belle Roche Court 10
- Canyon Road 10
- Harvest Drive 10
- Midpeninsula Regional Open Space District - SFO 10
- Red Oak Way 10
- Vernal Way, Emerald Hills 10
- Vista Court 10
- 29 Barcelona Circle 11
- Myrtle Street 11
- Palomar Park 11
- Stony Hill Road 11
- Vera Cash Market 11
- Hudson Street 12
- Odessa Court 12
- Roosevelt Avenue 12
- Stanford University Press 12
- Upland Road 12
- Vista Drive 12
- Waverly Avenue 12
- 125 Elwood Street 13
- Eden Bower Lane 13
- Laurel Way 13
- Vera Avenue 13
- Arch Street 14
- Chestnut Street 2 15
- Gossamer Hollow 15
- Bair Island 16
- Hawes Right Field 16
- Sanchez Way 2 16
- Emerald Hillbillies 17
- Maple Way 17
- Ralston Road 24
- Sanchez Way 26
AQI US, Metric