Stay updated with real-time air quality in Rickmansworth, Hertfordshire 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)
44
Good
Rickmansworth, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.40 μg/m³
0
55
155
255
425
605+
20.12 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
8.53 ppb
0
54
101
361
1250
2050+
0.76 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rickmansworth, Hertfordshire
Rickmansworth, Hertfordshire
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AQI 44
Good
7.93μg/m³
PM2.5
12.40μg/m³
PM10
20.12ppb
O3
0.67ppb
SO2
8.53ppb
NO2
0.76ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
12.00μg/m³
PM10
21.27ppb
O3
0.67ppb
SO2
15.00ppb
NO2
0.76ppm
CO
AQI 33
Good
5.64μg/m³
PM2.5
15.90μg/m³
PM10
20.77ppb
O3
0.67ppb
SO2
8.38ppb
NO2
0.76ppm
CO
AQI 33
Good
6.14μg/m³
PM2.5
14.71μg/m³
PM10
22.25ppb
O3
0.72ppb
SO2
14.62ppb
NO2
0.76ppm
CO
AQI 44
Good
7.97μg/m³
PM2.5
35.69μg/m³
PM10
21.68ppb
O3
0.67ppb
SO2
13.11ppb
NO2
0.76ppm
CO
AQI 49
Good
8.67μg/m³
PM2.5
29.72μg/m³
PM10
22.72ppb
O3
0.66ppb
SO2
15.77ppb
NO2
0.76ppm
CO
The air quality data for Hertfordshire, 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 Rickmansworth, Hertfordshire are available every hour.
Rickmansworth, Hertfordshire experienced its worst air quality at 07:00:00, 2026-11-12.
The best air quality in Rickmansworth, Hertfordshire was observed at 10:00:00 on 2026-11-12.
The air quality in Rickmansworth, Hertfordshire right now is Good, with an AQI of 44.
In Rickmansworth, Hertfordshire, PM2.5 is the most frequently found pollutant.
When air quality in Rickmansworth, Hertfordshire is compromised, staying indoors and wearing a mask can reduce health risks.
Rickmansworth, Hertfordshire currently has a PM2.5 concentration of 7.933 μg/m3.
Rickmansworth, Hertfordshire currently has a PM10 concentration of 12.402 μg/m3.
The current carbon monoxide (CO) level in Rickmansworth, Hertfordshire is 0.761 ppm.
The current sulfur dioxide (SO2) concentration in Rickmansworth, Hertfordshire is 0.667 ppb.
Rickmansworth, Hertfordshire currently has an ozone (O3) concentration of 20.12 ppm.
The current level of nitrogen dioxide (NO2) in Rickmansworth, Hertfordshire is 8.53 ppb.
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