Stay updated with real-time air quality in Halstead, Essex featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
30
Good
Halstead, Essex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.11 μg/m³
0
55
155
255
425
605+
32.13 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
2.64 ppb
0
54
101
361
1250
2050+
0.04 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Halstead, Essex
Halstead, Essex
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AQI 36
Good
5.84μg/m³
PM2.5
13.46μg/m³
PM10
39.30ppb
O3
1.32ppb
SO2
4.67ppb
NO2
0.34ppm
CO
AQI 33
Good
6.47μg/m³
PM2.5
11.78μg/m³
PM10
36.23ppb
O3
1.40ppb
SO2
1.08ppb
NO2
0.34ppm
CO
AQI 35
Good
6.16μg/m³
PM2.5
11.65μg/m³
PM10
38.04ppb
O3
1.30ppb
SO2
2.42ppb
NO2
0.34ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
12.75μg/m³
PM10
39.65ppb
O3
1.28ppb
SO2
2.54ppb
NO2
0.34ppm
CO
AQI 38
Good
6.89μg/m³
PM2.5
15.62μg/m³
PM10
38.96ppb
O3
1.53ppb
SO2
0.93ppb
NO2
0.34ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
16.14μg/m³
PM10
36.70ppb
O3
1.36ppb
SO2
1.11ppb
NO2
0.32ppm
CO
The air quality data for Essex, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Halstead, Essex are available every hour.
Halstead, Essex experienced its worst air quality at 02:00:00, 2025-06-22.
The best air quality in Halstead, Essex was observed at 12:00:00 on 2025-06-23.
The air quality in Halstead, Essex right now is Good, with an AQI of 33.
In Halstead, Essex, PM2.5 is the most frequently found pollutant.
When air quality in Halstead, Essex is compromised, staying indoors and wearing a mask can reduce health risks.
Halstead, Essex currently has a PM2.5 concentration of 6.166 μg/m3.
Halstead, Essex currently has a PM10 concentration of 11.779 μg/m3.
The current carbon monoxide (CO) level in Halstead, Essex is 0.345 ppm.
The current sulfur dioxide (SO2) concentration in Halstead, Essex is 1.369 ppb.
Halstead, Essex currently has an ozone (O3) concentration of 35.218 ppm.
The current level of nitrogen dioxide (NO2) in Halstead, Essex is 1.077 ppb.
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