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)
28
Good
Johnstone, Scotland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.41 μg/m³
0
55
155
255
425
605+
30.41 ppb
0
55
71
86
201
201+
2.98 ppb
0
36
76
186
605
1005+
19.61 ppb
0
54
101
361
1250
2050+
0.73 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Johnstone, Scotland
Johnstone, Scotland
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AQI 38
Good
7.48μg/m³
PM2.5
12.95μg/m³
PM10
28.36ppb
O3
2.98ppb
SO2
22.56ppb
NO2
0.77ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
10.88μg/m³
PM10
29.10ppb
O3
2.98ppb
SO2
14.30ppb
NO2
0.77ppm
CO
AQI 49
Good
8.94μg/m³
PM2.5
14.92μg/m³
PM10
28.25ppb
O3
2.98ppb
SO2
25.18ppb
NO2
0.77ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
11.45μg/m³
PM10
28.14ppb
O3
2.98ppb
SO2
26.76ppb
NO2
0.77ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
11.34μg/m³
PM10
28.08ppb
O3
2.98ppb
SO2
28.29ppb
NO2
0.77ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
10.29μg/m³
PM10
28.18ppb
O3
2.98ppb
SO2
28.47ppb
NO2
0.77ppm
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 05:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in Johnstone, Scotland was observed at 10:00:00 on 2026-11-12.
The current air quality in Johnstone, Scotland is 28, 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 5.154 μg/m3.
The current PM10 concentration at Johnstone, Scotland is 11.411 μg/m3.
The current carbon monoxide (CO) concentration at Johnstone, Scotland is 0.73 ppm.
The current sulfur dioxide (SO2) concentration at Johnstone, Scotland is 2.977 ppb.
The current ozone (O3) concentration at Johnstone, Scotland is 30.406 ppm.
The current nitrogen dioxide (NO2) concentration at Johnstone, Scotland is 19.614 ppb.
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