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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 53.6°F |
Humidity | 69% |
Wind | 0 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | Orcutt, California | 79 |
2 | New York City, New York | 74 |
3 | Arroyo Grande, California | 72 |
4 | Durham, North Carolina | 66 |
5 | San Antonio, Texas | 61 |
6 | Hesperia, California | 58 |
7 | Palmdale, California | 58 |
8 | Raleigh, North Carolina | 58 |
9 | Yucca Valley, California | 57 |
10 | Corpus Christi, Texas | 56 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | North Chelmsford | 21 |
2 | Chelmsford Station | 20 |
3 | Carlisle Street | 12 |
(local time)
SEE WORLD AQI RANKINGUS AQI
17
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 17 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 4µg/m³ |
PM2.5 concentration in Chelmsford air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Saturday, Apr 27 | Good 29 AQI US | 71.6° 44.6° | 6.7 mp/h | |
Sunday, Apr 28 | Good 27 AQI US | 71.6° 57.2° | 8.9 mp/h | |
Today | Good 17 AQI US | |||
Tuesday, Apr 30 | Good 18 AQI US | 70% | 55.4° 44.6° | 6.7 mp/h |
Wednesday, May 1 | Good 34 AQI US | 100% | 57.2° 42.8° | 6.7 mp/h |
Thursday, May 2 | Good 37 AQI US | 69.8° 44.6° | 11.2 mp/h | |
Friday, May 3 | Good 23 AQI US | 57.2° 46.4° | 6.7 mp/h | |
Saturday, May 4 | Good 39 AQI US | 51.8° 46.4° | 4.5 mp/h | |
Sunday, May 5 | Good 19 AQI US | 100% | 51.8° 46.4° | 4.5 mp/h |
Monday, May 6 | Good 18 AQI US | 70% | 71.6° 48.2° | 8.9 mp/h |
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