Stay updated with real-time air quality in Johnstone, Scotland 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)
29
Good
Johnstone, Scotland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.17 μg/m³
0
55
155
255
425
605+
30.66 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
8.34 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Johnstone, Scotland
Johnstone, Scotland
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AQI 25
Good
2.86μg/m³
PM2.5
4.39μg/m³
PM10
27.03ppb
O3
0.69ppb
SO2
5.16ppb
NO2
1.01ppm
CO
AQI 22
Good
2.54μg/m³
PM2.5
4.27μg/m³
PM10
24.28ppb
O3
0.69ppb
SO2
4.43ppb
NO2
1.01ppm
CO
AQI 25
Good
3.00μg/m³
PM2.5
4.49μg/m³
PM10
27.15ppb
O3
0.69ppb
SO2
6.33ppb
NO2
1.01ppm
CO
AQI 27
Good
2.88μg/m³
PM2.5
4.22μg/m³
PM10
28.66ppb
O3
0.69ppb
SO2
4.52ppb
NO2
1.01ppm
CO
AQI 27
Good
2.89μg/m³
PM2.5
4.22μg/m³
PM10
28.57ppb
O3
0.69ppb
SO2
4.93ppb
NO2
1.01ppm
CO
AQI 28
Good
2.62μg/m³
PM2.5
4.00μg/m³
PM10
30.04ppb
O3
0.69ppb
SO2
3.22ppb
NO2
1.01ppm
CO
Air quality data and pollutant measurements for Scotland, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Johnstone, Scotland is updated every hour.
The worst air quality in Johnstone, Scotland in the last 24 hours was observed at 06:00:00 on 2026-02-11.
In the last 24 hrs, the best air quality in Johnstone, Scotland was observed at 11:00:00 on 2026-02-11.
The current air quality in Johnstone, Scotland is 29, categorized as Good based on real-time data.
The most common pollutant in Johnstone, Scotland is O3.
If the air quality in Johnstone, Scotland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Johnstone, Scotland is 2.604 μg/m3.
The current PM10 concentration at Johnstone, Scotland is 4.165 μg/m3.
The current carbon monoxide (CO) concentration at Johnstone, Scotland is 0.803 ppm.
The current sulfur dioxide (SO2) concentration at Johnstone, Scotland is 0.687 ppb.
The current ozone (O3) concentration at Johnstone, Scotland is 30.661 ppm.
The current nitrogen dioxide (NO2) concentration at Johnstone, Scotland is 8.34 ppb.
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