While 92% of the global population is exposed to dangerous levels of air pollution, many places lack measurements to quantify its effects and allow communities to respond effectively.
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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | None | ||
Tree pollen | None | ||
Grass pollen | None | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 42.8°F |
Humidity | 84% |
Wind | 4.6 mph |
Pressure | 30.3 inHg |
# | city | US AQI⁺ |
---|---|---|
1 | Chorley, England | 117 |
2 | Nottingham, England | 108 |
3 | Bradford, England | 106 |
4 | Pontypridd, Wales | 105 |
5 | Bristol, England | 104 |
6 | Norwich, England | 103 |
7 | Leeds, England | 101 |
8 | Coventry, England | 94 |
9 | Greenhill, England | 94 |
10 | Walthamstow, England | 91 |
(Local time)
SEE WORLD AQI⁺ RANKING# | station | US AQI⁺ |
---|---|---|
1 | Welwyn Hatfield | 134 |
(Local time)
SEE WORLD AQI⁺ RANKINGUS AQI⁺
69
live AQI⁺ index
Moderate
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Moderate | 69 US AQI⁺ | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 19µg/m³ | |
NO₂ | 28.7µg/m³ |
PM2.5
x3.8
PM2.5 concentration in Hatfield is currently 3.8 times the WHO annual air quality guideline value
Sensitive groups should reduce outdoor exercise | |
Close your windows to avoid dirty outdoor air Get a monitor | |
Sensitive groups should wear a mask outdoors Get a mask | |
Sensitive groups should run an air purifier Get an air purifier |
Be the first Clean Air Facility in Hatfield
Example of Indoor locations with superior air quality.
See allDay | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Wednesday, Nov 6 | Moderate 55 AQI⁺ US | 50° 46.4° | 2.2 mph | |
Thursday, Nov 7 | Moderate 68 AQI⁺ US | 53.6° 48.2° | 8.9 mph | |
Friday, Nov 8 | Moderate 64 AQI⁺ US | 48.2° 42.8° | 8.9 mph | |
Today | Moderate 69 AQI⁺ US | 44.6° 42.8° | 2.2 mph | |
Sunday, Nov 10 | Moderate 75 AQI⁺ US | 50° 41° | 4.5 mph | |
Monday, Nov 11 | Good 43 AQI⁺ US | 50° 39.2° | 11.2 mph | |
Tuesday, Nov 12 | Good 43 AQI⁺ US | 48.2° 39.2° | 13.4 mph | |
Wednesday, Nov 13 | Moderate 54 AQI⁺ US | 50° 42.8° | 11.2 mph | |
Thursday, Nov 14 | Good 44 AQI⁺ US | 100% | 48.2° 44.6° | 17.9 mph |
Friday, Nov 15 | Moderate 52 AQI⁺ US | 20% | 46.4° 39.2° | 6.7 mph |
Saturday, Nov 16 | Good 46 AQI⁺ US | 30% | 46.4° 42.8° | 6.7 mph |
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1 Data source