ID: 1413

AQSQID: 380130004

Site Name: Lostwood Nwr

Added: April 21, 2020, 6:24 p.m.

Updated: Oct. 25, 2021, 10:03 a.m.

Location: Kenmare (N Dakota Hwy 8), ND

Reporting: True, Located: True

Current AQI: 21.0

Kenmare (N Dakota Hwy 8) ND, US: 48.641899, -102.402199

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 25, 2021, 7 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
Oct. 25, 2021, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.1 μg/m3 (18) 20.0
 
Oct. 25, 2021, 5 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
Oct. 25, 2021, 4 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 25, 2021, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Oct. 25, 2021, 2 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.5 μg/m3 (23) 26.0
 
Oct. 25, 2021, 1 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 25, 2021, midnight 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 24, 2021, 11 p.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 24, 2021, 10 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Oct. 24, 2021, 9 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 2.5 μg/m3 (11) 19.0
 
Oct. 24, 2021, 8 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 2.3 μg/m3 (10) 20.0
 
Oct. 24, 2021, 7 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.7 μg/m3 (12) 22.0
 
Oct. 24, 2021, 6 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 1.5 μg/m3 (7) 21.0
 
Oct. 24, 2021, 5 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 1.3 μg/m3 (6) 15.0
 
Oct. 24, 2021, 4 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 1.7 μg/m3 (8) 12.0
 
Oct. 24, 2021, 3 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 3.2 μg/m3 (14) 14.0
 
Oct. 24, 2021, 2 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 4.4 μg/m3 (19) 19.0
 
Oct. 24, 2021, 1 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 24, 2021, noon 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 24, 2021, 11 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 4.5 μg/m3 (19) 19.0
 
Oct. 24, 2021, 10 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 4.1 μg/m3 (18) 18.0
 
Oct. 24, 2021, 9 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 24, 2021, 8 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 4.4 μg/m3 (19) 19.0
 
Oct. 24, 2021, 7 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 24, 2021, 6 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 24, 2021, 5 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 24, 2021, 4 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 24, 2021, 3 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
Oct. 24, 2021, 2 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.1 μg/m3 (18) 24.0
 
Oct. 24, 2021, 1 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
Oct. 24, 2021, midnight 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.2 μg/m3 (18) 26.0
 
Oct. 23, 2021, 11 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Oct. 23, 2021, 10 p.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Oct. 23, 2021, 9 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 23, 2021, 8 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Oct. 23, 2021, 7 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.4 μg/m3 (19) 24.0
 
Oct. 23, 2021, 6 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
Oct. 23, 2021, 5 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 5.3 μg/m3 (23) 24.0
 
Oct. 23, 2021, 4 p.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 23, 2021, 3 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 23, 2021, 2 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 23, 2021, 1 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 23, 2021, noon 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 6.5 μg/m3 (28) 28.0
 
Oct. 23, 2021, 11 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 23, 2021, 10 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 23, 2021, 9 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 23, 2021, 8 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 23, 2021, 7 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 4.8 μg/m3 (20) 20.0
 
Oct. 23, 2021, 6 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 4.1 μg/m3 (18) 18.0
 
Oct. 23, 2021, 5 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 4.1 μg/m3 (18) 18.0
 
Oct. 23, 2021, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, 3 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Oct. 23, 2021, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 23, 2021, 1 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 5.2 μg/m3 (22) 23.0
 
Oct. 23, 2021, midnight 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.6 μg/m3 (20) 24.0
 
Oct. 22, 2021, 11 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
Oct. 22, 2021, 10 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Oct. 22, 2021, 9 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
Oct. 22, 2021, 8 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
Oct. 22, 2021, 7 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
Oct. 22, 2021, 6 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Oct. 22, 2021, 5 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
Oct. 22, 2021, 4 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Oct. 22, 2021, 3 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Oct. 22, 2021, 2 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 4.9 μg/m3 (21) 21.0
 
Oct. 22, 2021, 1 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 22, 2021, noon 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 4.1 μg/m3 (18) 18.0
 
Oct. 22, 2021, 11 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 3.6 μg/m3 (16) 16.0
 
Oct. 22, 2021, 10 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 3.3 μg/m3 (14) 14.0
 
Oct. 22, 2021, 9 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.2 μg/m3 (14) 16.0
 
Oct. 22, 2021, 8 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
Oct. 22, 2021, 7 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
Oct. 22, 2021, 6 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
Oct. 22, 2021, 5 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
Oct. 22, 2021, 4 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 3.4 μg/m3 (15) 19.0
 
Oct. 22, 2021, 3 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 4.3 μg/m3 (18) 19.0
 
Oct. 22, 2021, 2 a.m. 2.5 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 22, 2021, 1 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
Oct. 22, 2021, midnight 3.7 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 5.2 μg/m3 (22) 23.0
 
Oct. 21, 2021, 11 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Oct. 21, 2021, 10 p.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
Oct. 21, 2021, 9 p.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 3.9 μg/m3 (17) 30.0
 
Oct. 21, 2021, 8 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Oct. 21, 2021, 7 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Oct. 21, 2021, 6 p.m. 4.0 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 3.0 ppb (5) 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
Oct. 21, 2021, 5 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 7.6 μg/m3 (32) 32.0
 
Oct. 21, 2021, 4 p.m. 3.7 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 10.1 μg/m3 (43) 43.0
 
Oct. 21, 2021, 3 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 21, 2021, 2 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 21, 2021, 1 p.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 21, 2021, noon 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 7.3 μg/m3 (31) 31.0
 
Oct. 21, 2021, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 21, 2021, 10 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 21, 2021, 9 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
Oct. 21, 2021, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 7.8 μg/m3 (33) 33.0
 
Oct. 21, 2021, 7 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 9.2 μg/m3 (39) 39.0
 
Oct. 21, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 21, 2021, 4 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
Oct. 21, 2021, 3 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 10.9 μg/m3 (46) 46.0
 
Oct. 21, 2021, 2 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 1 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 21, 2021, midnight 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Oct. 20, 2021, 11 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
Oct. 20, 2021, 10 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
Oct. 20, 2021, 9 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
Oct. 20, 2021, 8 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
Oct. 20, 2021, 7 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
Oct. 20, 2021, 6 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 1.3 μg/m3 (6) 25.0
 
Oct. 20, 2021, 5 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
Oct. 20, 2021, 4 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
Oct. 20, 2021, 3 p.m. 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Oct. 20, 2021, 2 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 1.5 μg/m3 (7) 20.0
 
Oct. 20, 2021, 1 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
Oct. 20, 2021, noon 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 1.5 μg/m3 (7) 20.0
 
Oct. 20, 2021, 11 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 1.6 μg/m3 (7) 19.0
 
Oct. 20, 2021, 10 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
Oct. 20, 2021, 9 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 1.9 μg/m3 (8) 19.0
 
Oct. 20, 2021, 8 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
Oct. 20, 2021, 7 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.2 μg/m3 (10) 18.0
 
Oct. 20, 2021, 6 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.0 μg/m3 (9) 18.0
 
Oct. 20, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
Oct. 20, 2021, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 2.7 μg/m3 (12) 17.0
 
Oct. 20, 2021, 3 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.6 μg/m3 (16) 17.0
 
Oct. 20, 2021, 2 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 20, 2021, 1 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.7 μg/m3 (16) 22.0
 
Oct. 20, 2021, midnight 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Oct. 19, 2021, 11 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
Oct. 19, 2021, 10 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 2.1 μg/m3 (9) 29.0
 
Oct. 19, 2021, 9 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
Oct. 19, 2021, 8 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
Oct. 19, 2021, 7 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
Oct. 19, 2021, 6 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
Oct. 19, 2021, 5 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 2.9 μg/m3 (13) 29.0
 
Oct. 19, 2021, 4 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
Oct. 19, 2021, 3 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 2.9 μg/m3 (13) 27.0
 
Oct. 19, 2021, 2 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
Oct. 19, 2021, 1 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Oct. 19, 2021, noon 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 2.2 μg/m3 (10) 26.0
 
Oct. 19, 2021, 11 a.m. 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Oct. 19, 2021, 10 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Oct. 19, 2021, 9 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 19, 2021, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 19, 2021, 7 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 15.0 ppb (14) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 19, 2021, 6 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 7.8 μg/m3 (33) 33.0
 
Oct. 19, 2021, 5 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 11.3 μg/m3 (48) 48.0
 
Oct. 19, 2021, 4 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 20.0 ppb (19) N/A N/A 11.7 μg/m3 (49) 49.0
 
Oct. 19, 2021, 3 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 21.0 ppb (20) N/A N/A 8.7 μg/m3 (37) 37.0
 
Oct. 19, 2021, 2 a.m. 4.0 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 5.0 ppb (8) 23.0 ppb (22) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 19, 2021, 1 a.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A 5.0 ppb (8) 25.0 ppb (24) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 19, 2021, midnight 3.4 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 3.0 ppb (5) 27.0 ppb (25) N/A N/A 6.9 μg/m3 (29) 29.0
 
Oct. 18, 2021, 11 p.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 6.0 ppb (9) 32.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
Oct. 18, 2021, 10 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 40.0 ppb (38) N/A N/A 7.8 μg/m3 (33) 38.0
 
Oct. 18, 2021, 9 p.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 3.3 μg/m3 (14) 39.0
 
Oct. 18, 2021, 8 p.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 2.9 μg/m3 (13) 41.0
 
Oct. 18, 2021, 7 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 2.9 μg/m3 (13) 39.0
 
Oct. 18, 2021, 6 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 2.9 μg/m3 (13) 35.0
 
Oct. 18, 2021, 5 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Oct. 18, 2021, 4 p.m. 5.0 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 3.1 μg/m3 (13) 24.0
 
Oct. 18, 2021, 3 p.m. 4.1 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 3.4 μg/m3 (15) 20.0
 
Oct. 18, 2021, 2 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.8 μg/m3 (16) 16.0
 
Oct. 18, 2021, 1 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 3.7 μg/m3 (16) 16.0
 
Oct. 18, 2021, noon 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.6 μg/m3 (16) 16.0
 
Oct. 18, 2021, 11 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 3.4 μg/m3 (15) 18.0
 
Oct. 18, 2021, 10 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 3.2 μg/m3 (14) 19.0
 
Oct. 18, 2021, 9 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Oct. 18, 2021, 8 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0