ID: 915

AQSQID: 550590019

Site Name: Chiwaukee

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

Updated: July 15, 2020, 11:35 a.m.

Location: Pleasant Prairie (State Line), WI

Reporting: True, Located: True

Current AQI: 28.0

Pleasant Prairie (State Line) WI, US: 42.5047, -87.8111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
July 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.8 μg/m3 (24) 27.0
 
July 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
July 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.5 μg/m3 (23) 28.0
 
July 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.5 μg/m3 (23) 31.0
 
July 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
July 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.1 μg/m3 (21) 30.0
 
July 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
July 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.2 μg/m3 (22) 35.0
 
July 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 4.6 μg/m3 (19) 45.0
 
July 15, 2020, midnight N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 4.4 μg/m3 (18) 51.0
 
July 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 4.4 μg/m3 (18) 53.0
 
July 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 4.4 μg/m3 (18) 53.0
 
July 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 4.7 μg/m3 (20) 53.0
 
July 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (61) N/A N/A 5.7 μg/m3 (24) 61.0
 
July 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (62) N/A N/A 6.1 μg/m3 (25) 62.0
 
July 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 7.4 μg/m3 (31) 45.0
 
July 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.6 μg/m3 (28) 36.0
 
July 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
July 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.3 μg/m3 (22) 23.0
 
July 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 14, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
July 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.3 μg/m3 (18) 20.0
 
July 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.7 μg/m3 (15) 31.0
 
July 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.6 μg/m3 (15) 32.0
 
July 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
July 14, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
July 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
July 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
July 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
July 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.2 μg/m3 (13) 23.0
 
July 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.2 μg/m3 (13) 24.0
 
July 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
July 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
July 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
July 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
July 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
July 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
July 13, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.1 μg/m3 (13) 16.0
 
July 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 4.4 μg/m3 (18) 18.0
 
July 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 20.0
 
July 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 2.9 μg/m3 (12) 13.0
 
July 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
July 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.1 μg/m3 (9) 26.0
 
July 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
July 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
July 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
July 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.2 μg/m3 (9) 22.0
 
July 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
July 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
July 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
July 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
July 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
July 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 12, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.4 μg/m3 (14) 21.0
 
July 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
July 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
July 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
July 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.9 μg/m3 (20) 29.0
 
July 12, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.5 μg/m3 (19) 34.0
 
July 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
July 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.1 μg/m3 (17) 35.0
 
July 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.2 μg/m3 (18) 33.0
 
July 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
July 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
July 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
July 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
July 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
July 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
July 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.6 μg/m3 (19) 25.0
 
July 11, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.5 μg/m3 (19) 23.0
 
July 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.5 μg/m3 (19) 23.0
 
July 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
July 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.4 μg/m3 (18) 24.0
 
July 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
July 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.4 μg/m3 (18) 23.0
 
July 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.4 μg/m3 (18) 24.0
 
July 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.4 μg/m3 (18) 23.0
 
July 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.5 μg/m3 (19) 23.0
 
July 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.4 μg/m3 (18) 24.0
 
July 11, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.4 μg/m3 (18) 27.0
 
July 11, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
July 10, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
July 10, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
July 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.1 μg/m3 (17) 30.0
 
July 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.8 μg/m3 (20) 29.0
 
July 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 10, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
July 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.4 μg/m3 (18) 36.0
 
July 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
July 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
July 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.2 μg/m3 (18) 33.0
 
July 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
July 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.7 μg/m3 (15) 24.0
 
July 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.7 μg/m3 (15) 25.0
 
July 10, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
July 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
July 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
July 10, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
July 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.1 μg/m3 (21) 31.0
 
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 5.8 μg/m3 (24) 33.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
July 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.3 μg/m3 (26) 32.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (59) N/A N/A 10.5 μg/m3 (44) 59.0
 
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 81.0 ppb (63) N/A N/A 11.1 μg/m3 (46) 63.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 92.0 ppb (72) N/A N/A 13.1 μg/m3 (52) 72.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 91.0 ppb (72) N/A N/A 13.9 μg/m3 (54) 72.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 80.0 ppb (62) N/A N/A 14.5 μg/m3 (55) 62.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 13.6 μg/m3 (53) 53.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 12.1 μg/m3 (50) 50.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 11.1 μg/m3 (46) 46.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 7.4 μg/m3 (31) 42.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 7.6 μg/m3 (32) 45.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 7.4 μg/m3 (31) 45.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 7.7 μg/m3 (32) 48.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 7.8 μg/m3 (32) 51.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 8.2 μg/m3 (34) 54.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 6.8 μg/m3 (28) 52.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 6.7 μg/m3 (28) 48.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 7.3 μg/m3 (30) 43.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 7.6 μg/m3 (32) 42.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 7.7 μg/m3 (32) 40.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 7.3 μg/m3 (30) 36.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 7.2 μg/m3 (30) 32.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.9 μg/m3 (25) 27.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.1 μg/m3 (17) 31.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.4 μg/m3 (18) 19.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.7 μg/m3 (15) 30.0