Bad Air Days in Bristol City, Virginia

Not enough data

EPA monitors in Bristol City ran on too few days between 2016 and 2025 to give a fair yearly count (about 32% of days covered). Neighbouring counties below are a better guide.

Is a purifier worth it here?

EPA monitors here ran too few days to give a fair yearly count. Use AirNow for today's air.

Better or worse than it was

The worst recent year was 2023, with 2 bad days on 111 monitored days.

Date	AQI	Main pollutant
2023-06-29	116	PM2.5
2023-07-17	108	PM2.5
2016-11-23	106	PM2.5
2016-11-14	99	PM2.5
2021-07-21	90	PM2.5

Most days, not the worst ones

Across 1,151 monitored days from 2016 to 2025, the air in Bristol City rated Good on 77% of them, more often than the 72% typical of monitored counties, and Moderate on 22%. The median day sat at AQI 35; one day in ten went above 56.

The pollutant setting the AQI on an ordinary day here:

fine particles (PM2.5)100%1,151 days

Bristol City by year

Year	Days monitored	Good	Moderate	Over 100	Median AQI	Highest AQI
2025*	109	85	24	0	34	61
2024	118	99	19	0	33	63
2023	111	79	30	2	39	116
2022	116	94	22	0	32	67
2021	116	83	33	0	36	90
2020	116	99	17	0	32	60
2019	117	94	23	0	34	72
2018	116	93	23	0	36	71
2017	113	83	30	0	37	65
2016	119	83	35	1	39	106
2015	112	75	37	0	39	67
2014	119	67	52	0	47	71
2013	113	67	46	0	43	77
2012	122	68	54	0	47	72
2011	121	62	59	0	50	75
2010	118	41	77	0	54	74

*2025 may be a partial year in EPA's file.

Elsewhere in Virginia

How this is counted

A bad air day is a day the county's daily AQI from EPA AirData went above 100, the level where EPA tells children, older adults and people with asthma or heart disease to cut back outdoors. Monitors do not run every day, so yearly counts are scaled to 365 days. This is the record, not today's air: for that, check AirNow. More on the method in how the county numbers are made, on the AQI 100 line in what counts as a bad air day.