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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 | Scattered clouds |
Temperature | 80.6°F |
Humidity | 46% |
Wind | 11.4 mp/h |
Pressure | 30.2 Hg |
# | city | US AQI |
---|---|---|
1 | Yamagata, Yamagata | 70 |
2 | Kasaoka, Okayama | 69 |
3 | Hachinohe, Aomori | 68 |
4 | Kukichuo, Saitama | 66 |
5 | Kasukabe, Saitama | 65 |
6 | Ichinoseki, Iwate | 63 |
7 | Wako, Saitama | 60 |
8 | Nakajima, Shizuoka | 59 |
9 | Musashino, Tokyo | 58 |
10 | Chikuma, Nagano | 57 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Hitachi City Hall | 59 |
2 | Hitachi City Office | 53 |
(local time)
SEE WORLD AQI RANKINGUS AQI
57
live AQI index
Moderate
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Moderate | 57 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 15µg/m³ | |
PM10 | 20µg/m³ | |
NO2 | 9.4µg/m³ | |
SO2 | 2.6µg/m³ |
PM2.5
x3
PM2.5 concentration in Hitachi is currently 3 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 |
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Thursday, May 2 | Good 21 AQI US | 57.2° 44.6° | 17.9 mp/h | |
Friday, May 3 | Good 31 AQI US | 68° 50° | 11.2 mp/h | |
Saturday, May 4 | Good 47 AQI US | 73.4° 57.2° | 8.9 mp/h | |
Today | Moderate 57 AQI US | 80.6° 60.8° | 13.4 mp/h | |
Monday, May 6 | Good 43 AQI US | 69.8° 62.6° | 22.4 mp/h | |
Tuesday, May 7 | Good 44 AQI US | 100% | 66.2° 62.6° | 20.1 mp/h |
Wednesday, May 8 | Good 35 AQI US | 100% | 62.6° 50° | 13.4 mp/h |
Thursday, May 9 | Good 22 AQI US | 90% | 55.4° 48.2° | 15.7 mp/h |
Friday, May 10 | Moderate 55 AQI US | 66.2° 48.2° | 8.9 mp/h | |
Saturday, May 11 | Moderate 64 AQI US | 69.8° 57.2° | 13.4 mp/h |
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