AQSQID: 550250041

Site Name: Madison East

Location: Madison, WI

Reporting: True, Located: True

Current AQI: 23.0

Madison WI, US: 43.1008, -89.3572

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.4 μg/m3 (14) 19.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.6 μg/m3 (11) 28.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.5 μg/m3 (10) 26.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 3.6 μg/m3 (15) 27.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 10.1 μg/m3 (42) 42.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 10.1 μg/m3 (42) 42.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 5.5 μg/m3 (23) 26.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 2.2 μg/m3 (9) 26.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.9 μg/m3 (12) 32.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.9 μg/m3 (20) 20.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 7.5 μg/m3 (31) 32.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 2.2 μg/m3 (9) 25.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.2 μg/m3 (13) 21.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.4 μg/m3 (14) 21.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 4.1 μg/m3 (17) 29.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 6.1 μg/m3 (25) 33.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A 7.8 μg/m3 (32) 38.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 59.0 ppb (45) N/A N/A 10.2 μg/m3 (42) 45.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 60.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 49.0 ppb (38) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 5.3 μg/m3 (22) 22.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 4.9 μg/m3 (20) 24.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 6.1 μg/m3 (25) 29.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A N/A 27.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A N/A 32.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A N/A 32.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A N/A 32.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A N/A 32.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) N/A N/A N/A 33.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A N/A N/A 32.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A N/A 32.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A N/A 31.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A N/A 31.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A N/A 27.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A N/A 22.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A N/A 19.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A N/A 17.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A N/A 15.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A N/A 14.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A N/A 18.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A N/A 20.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A N/A 22.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A N/A 24.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A N/A 25.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A N/A 28.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A N/A 27.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A N/A 28.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A N/A 28.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A N/A 32.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A N/A 33.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 6.7 μg/m3 (28) 32.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 5.9 μg/m3 (25) 32.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 5.8 μg/m3 (24) 35.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 6.4 μg/m3 (27) 36.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 7.8 μg/m3 (32) 36.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 7.8 μg/m3 (32) 35.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 7.2 μg/m3 (30) 40.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 7.1 μg/m3 (30) 41.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 7.1 μg/m3 (30) 41.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 7.3 μg/m3 (30) 40.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 7.6 μg/m3 (32) 40.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 7.8 μg/m3 (32) 38.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 8.1 μg/m3 (34) 38.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.9 μg/m3 (41) 41.0