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Invisible Danger: Saint John's Air Quality Event
15 Jun
Summary
- Air quality spiked to twice safe levels on May 26 in Saint John.
- Irving Pulp & Paper mill operations may have contributed to the spike.
- Public notification was not issued for the short-duration event.
On the morning of May 26, an air quality monitoring station in Saint John registered a sharp increase in fine particulate matter, reaching twice the safe exposure levels. This occurred in a residential neighborhood near two schools.
Environment officials are investigating the cause, with preliminary findings suggesting a combination of unusual weather trapping pollutants and increased emissions during maintenance at the nearby Irving Pulp & Paper mill. J.D. Irving Ltd. stated there's no clear evidence linking them but made operational adjustments as a precaution.
The elevated readings lasted about seven hours before returning to normal. Provincial officials deemed the short duration insufficient for public notification, a stance contested by local clean air advocates who highlighted risks to vulnerable populations.
Similar single-day spikes have been recorded at stations near industrial sites in recent years. Experts recommend utilizing available air quality monitoring tools, although limitations exist, such as averaged readings that can mask localized events. There is a call for improved public alert systems for such incidents.
