ID: 7708

AQSQID: 840380250004

Site Name: Lake Ilo

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

Updated: June 23, 2021, 5:53 p.m.

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

Reporting: True, Located: True

Current AQI: 40.0

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
June 23, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 40.0
 
June 23, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 41.0
 
June 23, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 38.0
 
June 23, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 30.0
 
June 23, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
June 23, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
June 23, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 25.0
 
June 23, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 25.0
 
June 23, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 27.0
 
June 23, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 29.0
 
June 23, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 30.0
 
June 23, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 32.0
 
June 23, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 26.0 μg/m3 (25) 4.0 μg/m3 (17) 32.0
 
June 23, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 34.0
 
June 23, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 36.0
 
June 23, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 25.0 μg/m3 (24) 5.0 μg/m3 (21) 42.0
 
June 23, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 48.0
 
June 22, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 50.0
 
June 22, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 50.0
 
June 22, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 50.0
 
June 22, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 48.0
 
June 22, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 47.0
 
June 22, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 46.0
 
June 22, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 43.0
 
June 22, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 40.0
 
June 22, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 36.0
 
June 22, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 28.0
 
June 22, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
June 22, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
June 22, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
June 22, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 17.0
 
June 22, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 20.0
 
June 22, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 29.0 μg/m3 (27) 3.0 μg/m3 (13) 27.0
 
June 22, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
June 22, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 26.0
 
June 22, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 30.0
 
June 22, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 30.0
 
June 22, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 33.0
 
June 22, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 36.0
 
June 22, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 40.0
 
June 22, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 43.0
 
June 21, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 42.0
 
June 21, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 40.0
 
June 21, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 38.0
 
June 21, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 38.0
 
June 21, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 38.0
 
June 21, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 38.0
 
June 21, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 35.0
 
June 21, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 33.0
 
June 21, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 29.0
 
June 21, 2021, 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 11.0 μg/m3 (11) 1.0 μg/m3 (5) 24.0
 
June 21, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 20.0
 
June 21, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 15.0
 
June 21, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 13.0
 
June 21, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 14.0
 
June 21, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 14.0
 
June 21, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
June 21, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
June 21, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 15.0
 
June 21, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 21.0
 
June 21, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 24.0
 
June 21, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 28.0
 
June 21, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 32.0
 
June 21, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 35.0
 
June 21, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 36.0
 
June 20, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 37.0
 
June 20, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 37.0
 
June 20, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 35.0
 
June 20, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 34.0
 
June 20, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 32.0
 
June 20, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 33.0
 
June 20, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 33.0
 
June 20, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 31.0
 
June 20, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 30.0
 
June 20, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 29.0
 
June 20, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 27.0
 
June 20, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 25.0
 
June 20, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 25.0
 
June 20, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 27.0
 
June 20, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 30.0
 
June 20, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 31.0
 
June 20, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 32.0
 
June 20, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 33.0
 
June 20, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
June 20, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
June 20, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 38.0
 
June 20, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 26.0 μg/m3 (25) 5.0 μg/m3 (21) 38.0
 
June 20, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 38.0
 
June 20, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 42.0
 
June 19, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 45.0
 
June 19, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 45.0
 
June 19, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 45.0
 
June 19, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 45.0
 
June 19, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 43.0
 
June 19, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 42.0
 
June 19, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 40.0
 
June 19, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 38.0
 
June 19, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 35.0
 
June 19, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 29.0
 
June 19, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A 34.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
June 19, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
June 19, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
June 19, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
June 19, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
June 19, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
June 19, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 22.0
 
June 19, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
June 19, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 25.0
 
June 19, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
June 19, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 27.0
 
June 19, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 30.0
 
June 19, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 54.0 μg/m3 (50) 4.0 μg/m3 (17) 50.0
 
June 19, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 34.0
 
June 18, 2021, 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 24.0 μg/m3 (23) 3.0 μg/m3 (13) 35.0
 
June 18, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 34.0
 
June 18, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 33.0
 
June 18, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 34.0
 
June 18, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 38.0 μg/m3 (36) 4.0 μg/m3 (17) 37.0
 
June 18, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 36.0
 
June 18, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 25.0 μg/m3 (24) 3.0 μg/m3 (13) 38.0
 
June 18, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 39.0
 
June 18, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 26.0 μg/m3 (25) 3.0 μg/m3 (13) 39.0
 
June 18, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 36.0
 
June 18, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 33.0
 
June 18, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 26.0
 
June 18, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
June 18, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 26.0
 
June 18, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 22.0
 
June 18, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 26.0
 
June 18, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 22.0
 
June 18, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 30.0
 
June 18, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 29.0
 
June 18, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 33.0
 
June 18, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 36.0
 
June 18, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 41.0
 
June 18, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 46.0
 
June 18, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 45.0
 
June 17, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 45.0
 
June 17, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 45.0
 
June 17, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 46.0
 
June 17, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 45.0
 
June 17, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 13.0 μg/m3 (13) 2.0 μg/m3 (9) 44.0
 
June 17, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 44.0
 
June 17, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 44.0
 
June 17, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 42.0
 
June 17, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 20.0 μg/m3 (19) 3.0 μg/m3 (13) 40.0
 
June 17, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 38.0
 
June 17, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 32.0
 
June 17, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
June 17, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 21.0
 
June 17, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
June 17, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 19.0
 
June 17, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 14.0
 
June 17, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 23.0
 
June 17, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 27.0
 
June 17, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 25.0
 
June 17, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 35.0
 
June 17, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 38.0
 
June 17, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 42.0
 
June 17, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 23.0 μg/m3 (22) 2.0 μg/m3 (9) 47.0
 
June 17, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 49.0
 
June 16, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 50.0
 
June 16, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 54.0 ppb (50) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 50.0
 
June 16, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 50.0
 
June 16, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 28.0 μg/m3 (26) 3.0 μg/m3 (13) 49.0
 
June 16, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 40.0 μg/m3 (38) 4.0 μg/m3 (17) 48.0
 
June 16, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 49.0 μg/m3 (46) 4.0 μg/m3 (17) 47.0
 
June 16, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 42.0 μg/m3 (39) 5.0 μg/m3 (21) 48.0