AQSQID: 840550250047

Site Name: Madison University Ave

Location: Madison (Regent), WI

Reporting: True, Located: True

Current AQI: 15.0

Madison (Regent) WI, US: 43.07378, -89.43595

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
April 10, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
April 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
April 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
April 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
April 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.4 μg/m3 (14) 14.0
 
April 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
April 10, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
April 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
April 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.3 μg/m3 (14) 14.0
 
April 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 15.0
 
April 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
April 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.9 μg/m3 (16) 16.0
 
April 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
April 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 17.0
 
April 9, 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) 4.0 μg/m3 (17) 17.0
 
April 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.1 μg/m3 (17) 17.0
 
April 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 17.0
 
April 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
April 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
April 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 18.0
 
April 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
April 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 18.0
 
April 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
April 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 18.0
 
April 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 18.0
 
April 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.1 μg/m3 (21) 21.0
 
April 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
April 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
April 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
April 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
April 9, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
April 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.8 μg/m3 (20) 20.0
 
April 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
April 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.1 μg/m3 (25) 25.0
 
April 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
April 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.9 μg/m3 (37) 37.0
 
April 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.9 μg/m3 (52) 52.0
 
April 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
April 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 12.6 μg/m3 (51) 51.0
 
April 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
April 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
April 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 13.3 μg/m3 (53) 53.0
 
April 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.4 μg/m3 (43) 43.0
 
April 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
April 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
April 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 13.9 μg/m3 (54) 54.0
 
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 14.2 μg/m3 (55) 55.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.6 μg/m3 (56) 56.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 15.0 μg/m3 (56) 56.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 15.6 μg/m3 (58) 58.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.9 μg/m3 (56) 56.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 16.4 μg/m3 (59) 59.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 18.2 μg/m3 (63) 63.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 19.7 μg/m3 (66) 66.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 19.1 μg/m3 (65) 65.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 18.4 μg/m3 (64) 64.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 18.1 μg/m3 (63) 63.0
 
April 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 17.3 μg/m3 (61) 61.0
 
April 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 14.7 μg/m3 (56) 56.0
 
April 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 15.3 μg/m3 (57) 57.0
 
April 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 17.2 μg/m3 (61) 61.0
 
April 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 18.5 μg/m3 (64) 64.0
 
April 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 15.9 μg/m3 (58) 58.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 17.2 μg/m3 (61) 61.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 25.3 μg/m3 (78) 78.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 26.5 μg/m3 (81) 81.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 26.7 μg/m3 (81) 81.0
 
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 26.0 μg/m3 (80) 80.0
 
April 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 26.3 μg/m3 (80) 80.0
 
April 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 25.0 μg/m3 (78) 78.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 23.0 μg/m3 (73) 73.0
 
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 21.0 μg/m3 (69) 69.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 18.4 μg/m3 (64) 64.0
 
April 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 18.9 μg/m3 (65) 65.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 17.9 μg/m3 (63) 63.0
 
April 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 18.1 μg/m3 (63) 63.0
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 18.5 μg/m3 (64) 64.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 18.0 μg/m3 (63) 63.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 20.7 μg/m3 (69) 69.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 17.8 μg/m3 (62) 62.0
 
April 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 15.2 μg/m3 (57) 57.0
 
April 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 14.4 μg/m3 (55) 55.0
 
April 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 13.6 μg/m3 (53) 53.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.5 μg/m3 (53) 53.0
 
April 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 11.5 μg/m3 (48) 48.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 10.9 μg/m3 (45) 45.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.9 μg/m3 (50) 50.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 11.8 μg/m3 (49) 49.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.2 μg/m3 (50) 50.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.6 μg/m3 (51) 51.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
April 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.2 μg/m3 (55) 55.0
 
April 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.1 μg/m3 (54) 54.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 13.5 μg/m3 (53) 53.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.5 μg/m3 (51) 51.0
 
April 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.9 μg/m3 (54) 54.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 13.9 μg/m3 (54) 54.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 8.5 μg/m3 (35) 35.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.2 μg/m3 (34) 34.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.2 μg/m3 (34) 34.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.1 μg/m3 (42) 42.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 13.4 μg/m3 (53) 53.0
 
April 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 15.1 μg/m3 (57) 57.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 15.8 μg/m3 (58) 58.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 15.4 μg/m3 (57) 57.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.1 μg/m3 (34) 34.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.7 μg/m3 (32) 32.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.7 μg/m3 (32) 32.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.7 μg/m3 (40) 40.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.8 μg/m3 (41) 41.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.8 μg/m3 (41) 41.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 13.2 μg/m3 (53) 53.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.3 μg/m3 (51) 51.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.1 μg/m3 (17) 17.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.3 μg/m3 (14) 14.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.8 μg/m3 (20) 20.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.4 μg/m3 (18) 18.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.3 μg/m3 (26) 26.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.6 μg/m3 (23) 23.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.5 μg/m3 (15) 15.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 8.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.7 μg/m3 (7) 7.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 8.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.5 μg/m3 (10) 10.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.2 μg/m3 (13) 13.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 13.9 μg/m3 (54) 54.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 14.9 μg/m3 (56) 56.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.9 μg/m3 (54) 54.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.3 μg/m3 (53) 53.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 12.4 μg/m3 (51) 51.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.3 μg/m3 (30) 30.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0