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)
26
Good
Rickmansworth, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.73 μg/m³
0
55
155
255
425
605+
28.20 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
5.46 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Rickmansworth, Hertfordshire
Rickmansworth, Hertfordshire
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AQI 24
Good
3.23μg/m³
PM2.5
14.22μg/m³
PM10
26.38ppb
O3
0.93ppb
SO2
7.51ppb
NO2
0.12ppm
CO
AQI 25
Good
3.49μg/m³
PM2.5
5.67μg/m³
PM10
27.50ppb
O3
0.91ppb
SO2
6.26ppb
NO2
0.12ppm
CO
AQI 24
Good
3.20μg/m³
PM2.5
15.05μg/m³
PM10
26.37ppb
O3
0.94ppb
SO2
7.52ppb
NO2
0.12ppm
CO
AQI 26
Good
3.21μg/m³
PM2.5
7.53μg/m³
PM10
27.72ppb
O3
0.86ppb
SO2
2.58ppb
NO2
0.12ppm
CO
AQI 24
Good
3.57μg/m³
PM2.5
7.95μg/m³
PM10
26.46ppb
O3
0.94ppb
SO2
5.80ppb
NO2
0.12ppm
CO
AQI 25
Good
2.63μg/m³
PM2.5
15.41μg/m³
PM10
27.02ppb
O3
0.76ppb
SO2
6.14ppb
NO2
0.12ppm
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 01:00:00, 2026-05-13.
The best air quality in Rickmansworth, Hertfordshire was observed at 08:00:00 on 2026-05-14.
The air quality in Rickmansworth, Hertfordshire right now is Good, with an AQI of 26.
In Rickmansworth, Hertfordshire, O3 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 3.469 μg/m3.
Rickmansworth, Hertfordshire currently has a PM10 concentration of 6.727 μg/m3.
The current carbon monoxide (CO) level in Rickmansworth, Hertfordshire is 0.108 ppm.
The current sulfur dioxide (SO2) concentration in Rickmansworth, Hertfordshire is 0.893 ppb.
Rickmansworth, Hertfordshire currently has an ozone (O3) concentration of 28.2 ppm.
The current level of nitrogen dioxide (NO2) in Rickmansworth, Hertfordshire is 5.465 ppb.
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