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)
25
Good
Johnstone, Scotland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.31 μg/m³
0
55
155
255
425
605+
27.05 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
3.41 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Johnstone, Scotland
Johnstone, Scotland
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AQI 24
Good
3.81μg/m³
PM2.5
8.53μg/m³
PM10
26.18ppb
O3
0.73ppb
SO2
3.96ppb
NO2
0.17ppm
CO
AQI 24
Good
4.00μg/m³
PM2.5
8.54μg/m³
PM10
25.86ppb
O3
0.73ppb
SO2
2.81ppb
NO2
0.17ppm
CO
AQI 24
Good
3.99μg/m³
PM2.5
8.98μg/m³
PM10
26.16ppb
O3
0.72ppb
SO2
3.92ppb
NO2
0.17ppm
CO
AQI 24
Good
3.53μg/m³
PM2.5
8.09μg/m³
PM10
26.37ppb
O3
0.73ppb
SO2
3.99ppb
NO2
0.17ppm
CO
AQI 24
Good
3.50μg/m³
PM2.5
8.00μg/m³
PM10
26.39ppb
O3
0.73ppb
SO2
4.28ppb
NO2
0.17ppm
CO
AQI 24
Good
3.45μg/m³
PM2.5
8.29μg/m³
PM10
26.23ppb
O3
0.75ppb
SO2
1.20ppb
NO2
0.17ppm
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 09:00:00 on 2026-06-28.
In the last 24 hrs, the best air quality in Johnstone, Scotland was observed at 01:00:00 on 2026-06-29.
The current air quality in Johnstone, Scotland is 25, 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 4 μg/m3.
The current PM10 concentration at Johnstone, Scotland is 8.307 μg/m3.
The current carbon monoxide (CO) concentration at Johnstone, Scotland is 0.174 ppm.
The current sulfur dioxide (SO2) concentration at Johnstone, Scotland is 0.751 ppb.
The current ozone (O3) concentration at Johnstone, Scotland is 27.055 ppm.
The current nitrogen dioxide (NO2) concentration at Johnstone, Scotland is 3.41 ppb.
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