AQSQID: 840380250004

Site Name: Lake Ilo

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

Reporting: True, Located: True

Current AQI: 30.0

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
April 9, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 30.0
 
April 9, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 28.0
 
April 9, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (12) 28.0
 
April 9, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 27.0
 
April 9, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 26.0
 
April 9, 2020, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 26.0
 
April 9, 2020, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 25.0
 
April 9, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 2.0 μg/m3 (2) -3.0 μg/m3 (0) 25.0
 
April 9, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 25.0
 
April 9, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
April 9, 2020, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 26.0
 
April 9, 2020, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 28.0
 
April 9, 2020, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 30.0
 
April 9, 2020, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 30.0
 
April 9, 2020, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 32.0
 
April 9, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 31.0
 
April 9, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 30.0
 
April 9, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 30.0
 
April 9, 2020, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 30.0
 
April 9, 2020, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 32.0
 
April 9, 2020, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 32.0
 
April 9, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 32.0
 
April 8, 2020, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 6.0 μg/m3 (5) 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 5.0 μg/m3 (5) 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 4.0 μg/m3 (4) 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 6.0 μg/m3 (5) 14.0 μg/m3 (54) 54.0
 
April 8, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 22.0 μg/m3 (71) 71.0
 
April 8, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
April 8, 2020, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 32.0
 
April 8, 2020, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 32.0
 
April 8, 2020, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 32.0
 
April 8, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 32.0
 
April 8, 2020, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 32.0
 
April 8, 2020, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 33.0
 
April 8, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
April 8, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 32.0
 
April 8, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 32.0
 
April 8, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 32.0
 
April 8, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 41.0 μg/m3 (37) 1.0 μg/m3 (4) 37.0
 
April 8, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 32.0
 
April 8, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 29.0
 
April 8, 2020, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 33.0
 
April 8, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 32.0
 
April 8, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 31.0
 
April 8, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 32.0
 
April 7, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 32.0
 
April 7, 2020, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 33.0
 
April 7, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 33.0
 
April 7, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 34.0
 
April 7, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 34.0
 
April 7, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 1.0 μg/m3 (1) 6.0 μg/m3 (25) 33.0
 
April 7, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 28.0
 
April 7, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 29.0
 
April 7, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 24.0
 
April 7, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 22.0
 
April 7, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 18.0
 
April 7, 2020, noon N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
April 7, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 17.0
 
April 7, 2020, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 3.0 μg/m3 (3) 7.0 μg/m3 (29) 29.0
 
April 7, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 18.0
 
April 7, 2020, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 20.0
 
April 7, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 22.0
 
April 7, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 22.0
 
April 7, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 23.0
 
April 7, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 27.0
 
April 7, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
April 7, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
April 6, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
April 6, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 10.0 μg/m3 (9) 17.0 μg/m3 (61) 61.0
 
April 6, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 35.0 ppb (27) N/A 10.0 μg/m3 (9) 18.0 μg/m3 (63) 63.0
 
April 6, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 18.0 μg/m3 (63) 63.0
 
April 6, 2020, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 29.0 ppb (22) N/A 13.0 μg/m3 (12) 15.0 μg/m3 (56) 56.0
 
April 6, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 9.0 μg/m3 (8) 15.0 μg/m3 (56) 56.0
 
April 6, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 23.0 μg/m3 (73) 73.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 19.0 μg/m3 (65) 65.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
April 6, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 3.0 μg/m3 (3) 9.0 μg/m3 (38) 38.0
 
April 6, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
April 6, 2020, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
April 6, 2020, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
April 6, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 3.0 μg/m3 (3) 8.0 μg/m3 (33) 33.0
 
April 6, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
April 6, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 15.0
 
April 6, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 15.0
 
April 6, 2020, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 17.0
 
April 6, 2020, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 22.0
 
April 6, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 25.0
 
April 5, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 28.0
 
April 5, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 28.0
 
April 5, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 28.0
 
April 5, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 3.0 μg/m3 (3) 9.0 μg/m3 (38) 38.0
 
April 5, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 34.0 ppb (26) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 26.0
 
April 5, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 26.0
 
April 5, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 27.0
 
April 5, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
April 5, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 22.0
 
April 5, 2020, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 23.0 ppb (18) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 18.0
 
April 5, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
April 5, 2020, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
April 5, 2020, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
April 5, 2020, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 14.0
 
April 5, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
April 5, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 3.0 μg/m3 (3) 12.0 μg/m3 (50) 50.0
 
April 5, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 16.0
 
April 5, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 15.0
 
April 5, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 16.0
 
April 5, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 18.0
 
April 5, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 22.0
 
April 5, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 23.0
 
April 5, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 23.0
 
April 5, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 28.0
 
April 4, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 31.0
 
April 4, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 29.0
 
April 4, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 29.0
 
April 4, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 2.0 μg/m3 (2) 7.0 μg/m3 (29) 29.0
 
April 4, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 26.0
 
April 4, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 26.0
 
April 4, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 25.0
 
April 4, 2020, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 25.0
 
April 4, 2020, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 26.0
 
April 4, 2020, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 26.0
 
April 4, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 25.0
 
April 4, 2020, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 22.0
 
April 4, 2020, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 22.0
 
April 4, 2020, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 23.0
 
April 4, 2020, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
April 4, 2020, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 25.0
 
April 4, 2020, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 24.0
 
April 4, 2020, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 24.0
 
April 4, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 23.0
 
April 4, 2020, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 23.0
 
April 4, 2020, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 24.0
 
April 4, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 24.0
 
April 4, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 26.0
 
April 4, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 28.0
 
April 3, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 30.0
 
April 3, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 31.0
 
April 3, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 31.0
 
April 3, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 30.0
 
April 3, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 30.0
 
April 3, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 2.0 μg/m3 (2) 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 29.0
 
April 3, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 28.0
 
April 3, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 36.0 ppb (28) N/A 3.0 μg/m3 (3) 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 35.0 ppb (27) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 27.0
 
April 3, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 21.0
 
April 3, 2020, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 22.0
 
April 3, 2020, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 24.0
 
April 3, 2020, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 24.0
 
April 3, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 24.0
 
April 3, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 25.0
 
April 3, 2020, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 25.0
 
April 3, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
April 3, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 26.0
 
April 3, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 26.0
 
April 3, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 27.0
 
April 3, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 27.0
 
April 3, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
April 2, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 25.0
 
April 2, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 25.0