ID: 7708

AQSQID: 840380250004

Site Name: Lake Ilo

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

Updated: Dec. 5, 2020, 5:42 p.m.

Location: Dunn Center (5th St Swest), ND

Reporting: True, Located: True

Current AQI: 26.0

Dunn Center (5th St Swest) ND, US: 47.342589, -102.645997

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 5, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 26.0
 
Dec. 5, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
Dec. 5, 2020, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 24.0
 
Dec. 5, 2020, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 24.0
 
Dec. 5, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 25.0
 
Dec. 5, 2020, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 25.0
 
Dec. 5, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 27.0
 
Dec. 5, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 27.0
 
Dec. 5, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 25.0
 
Dec. 5, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 26.0
 
Dec. 5, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 27.0
 
Dec. 5, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 28.0
 
Dec. 5, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 27.0
 
Dec. 5, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 26.0
 
Dec. 5, 2020, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 26.0
 
Dec. 5, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 25.0
 
Dec. 5, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 26.0
 
Dec. 4, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 33.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Dec. 4, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 28.0
 
Dec. 4, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 29.0
 
Dec. 4, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 29.0
 
Dec. 4, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 29.0
 
Dec. 4, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 27.0
 
Dec. 4, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 26.0
 
Dec. 4, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 25.0
 
Dec. 4, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 24.0
 
Dec. 4, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 25.0
 
Dec. 4, 2020, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (9) 26.0
 
Dec. 4, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (9) 26.0
 
Dec. 4, 2020, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 25.0
 
Dec. 4, 2020, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 25.0
 
Dec. 4, 2020, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 25.0
 
Dec. 4, 2020, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 25.0
 
Dec. 4, 2020, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 25.0
 
Dec. 4, 2020, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 24.0
 
Dec. 4, 2020, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 24.0
 
Dec. 4, 2020, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 23.0
 
Dec. 4, 2020, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 25.0
 
Dec. 4, 2020, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 26.0
 
Dec. 4, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 27.0
 
Dec. 4, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 26.0
 
Dec. 3, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
Dec. 3, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 27.0
 
Dec. 3, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 29.0
 
Dec. 3, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 24.0 μg/m3 (23) 2.0 μg/m3 (9) 30.0
 
Dec. 3, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 31.0
 
Dec. 3, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 29.0
 
Dec. 3, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 24.0 μg/m3 (23) 3.0 μg/m3 (13) 26.0
 
Dec. 3, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 25.0
 
Dec. 3, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 24.0
 
Dec. 3, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 23.0
 
Dec. 3, 2020, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 21.0
 
Dec. 3, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 22.0
 
Dec. 3, 2020, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A -1.0 μg/m3 (0) 1.0 μg/m3 (5) 22.0
 
Dec. 3, 2020, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 0.0 μg/m3 (0) 1.0 μg/m3 (5) 22.0
 
Dec. 3, 2020, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 0.0 μg/m3 (0) 1.0 μg/m3 (5) 21.0
 
Dec. 3, 2020, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 0.0 μg/m3 (0) 1.0 μg/m3 (5) 21.0
 
Dec. 3, 2020, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 22.0
 
Dec. 3, 2020, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 23.0
 
Dec. 3, 2020, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 22.0
 
Dec. 3, 2020, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 21.0
 
Dec. 3, 2020, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 22.0
 
Dec. 3, 2020, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 22.0
 
Dec. 3, 2020, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 23.0
 
Dec. 3, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 22.0
 
Dec. 2, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 25.0
 
Dec. 2, 2020, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 28.0
 
Dec. 2, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 29.0
 
Dec. 2, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 29.0
 
Dec. 2, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 29.0
 
Dec. 2, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 28.0
 
Dec. 2, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (9) 26.0
 
Dec. 2, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (9) 23.0
 
Dec. 2, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 19.0
 
Dec. 2, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 18.0
 
Dec. 2, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 18.0
 
Dec. 2, 2020, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 18.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 18.0
 
Dec. 2, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 20.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 23.0
 
Dec. 2, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 24.0
 
Dec. 2, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 24.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 25.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 25.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 25.0
 
Dec. 2, 2020, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 25.0
 
Dec. 2, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 25.0
 
Dec. 2, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 26.0
 
Dec. 2, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 26.0
 
Dec. 1, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 26.0
 
Dec. 1, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 27.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 27.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 27.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 27.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 27.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 28.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 27.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 24.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 23.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 24.0
 
Dec. 1, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 25.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 28.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 28.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 24.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 24.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 24.0
 
Dec. 1, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 23.0
 
Dec. 1, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 19.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
Dec. 1, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 23.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 37.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
Dec. 1, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 83.0 μg/m3 (65) 5.0 μg/m3 (21) 65.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 54.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 27.0
 
Nov. 30, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 29.0
 
Nov. 30, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 29.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 29.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 27.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (9) 22.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 30.0 μg/m3 (28) 2.0 μg/m3 (9) 28.0
 
Nov. 30, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 24.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 21.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 23.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 28.0 μg/m3 (26) 3.0 μg/m3 (13) 26.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 22.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 25.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 24.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 24.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 25.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 25.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 25.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 24.0
 
Nov. 30, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 29.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 32.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 31.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 26.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 25.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 24.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 25.0
 
Nov. 29, 2020, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 25.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 25.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 29.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 30.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 31.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 29.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 7.0 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 29.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 29.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 30.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 45.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 31.0
 
Nov. 29, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 35.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 17.0 μg/m3 (16) 2.0 μg/m3 (9) 35.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 36.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 60.0 μg/m3 (54) 3.0 μg/m3 (13) 54.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 67.0 μg/m3 (57) 4.0 μg/m3 (17) 57.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 37.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 33.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 29.0