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
7.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.28 μg/m³
0
55
155
255
425
605+
20.81 ppb
0
55
71
86
201
201+
1.31 ppb
0
36
76
186
605
1005+
4.50 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Rickmansworth, Hertfordshire
Rickmansworth, Hertfordshire
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AQI 52
Moderate
10.40μg/m³
PM2.5
16.74μg/m³
PM10
20.99ppb
O3
0.55ppb
SO2
13.59ppb
NO2
0.01ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
21.48μg/m³
PM10
22.18ppb
O3
0.54ppb
SO2
14.87ppb
NO2
0.01ppm
CO
AQI 52
Moderate
10.40μg/m³
PM2.5
16.39μg/m³
PM10
18.09ppb
O3
0.55ppb
SO2
14.39ppb
NO2
0.02ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
21.10μg/m³
PM10
20.82ppb
O3
0.27ppb
SO2
17.03ppb
NO2
0.00ppm
CO
AQI 49
Good
9.43μg/m³
PM2.5
29.67μg/m³
PM10
20.89ppb
O3
0.55ppb
SO2
17.57ppb
NO2
0.02ppm
CO
AQI 52
Moderate
10.40μg/m³
PM2.5
12.98μg/m³
PM10
19.61ppb
O3
0.55ppb
SO2
8.56ppb
NO2
0.03ppm
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 12:00:00, 2025-11-07.
The best air quality in Rickmansworth, Hertfordshire was observed at 11:00:00 on 2025-11-06.
The air quality in Rickmansworth, Hertfordshire right now is Moderate, with an AQI of 52.
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 10.4 μg/m3.
Rickmansworth, Hertfordshire currently has a PM10 concentration of 16.737 μg/m3.
The current carbon monoxide (CO) level in Rickmansworth, Hertfordshire is 0.015 ppm.
The current sulfur dioxide (SO2) concentration in Rickmansworth, Hertfordshire is 0.549 ppb.
Rickmansworth, Hertfordshire currently has an ozone (O3) concentration of 20.989 ppm.
The current level of nitrogen dioxide (NO2) in Rickmansworth, Hertfordshire is 13.588 ppb.
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