AQSQID: 721130004

Site Name: Ponce

Location: Canas Urbano, PR

Reporting: True, Located: True

Current AQI: 76.0

Canas Urbano PR, US: 18.009556, -66.62725

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 24.1 μg/m3 (76) 76.0
 
July 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 24.5 μg/m3 (77) 77.0
 
July 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 22.3 μg/m3 (72) 72.0
 
July 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 22.3 μg/m3 (72) 72.0
 
July 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 22.1 μg/m3 (71) 71.0
 
July 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 17.5 μg/m3 (62) 62.0
 
July 24, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 16.7 μg/m3 (60) 60.0
 
July 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 14.9 μg/m3 (56) 58.0
 
July 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 10.2 μg/m3 (42) 42.0
 
July 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 12.4 μg/m3 (51) 51.0
 
July 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 8.5 μg/m3 (35) 37.0
 
July 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 10.3 μg/m3 (43) 43.0
 
July 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 5.7 μg/m3 (24) 30.0
 
July 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 9.2 μg/m3 (38) 58.0
 
July 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 6.4 μg/m3 (27) 27.0
 
July 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
July 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 4.3 μg/m3 (18) 38.0
 
July 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 7.2 μg/m3 (30) 35.0
 
July 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 6.4 μg/m3 (27) 48.0
 
July 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 6.4 μg/m3 (27) 42.0
 
July 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 5.2 μg/m3 (22) 26.0
 
July 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.2 μg/m3 (26) 28.0
 
July 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.3 μg/m3 (22) 25.0
 
July 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.5 μg/m3 (27) 27.0
 
July 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.2 μg/m3 (22) 22.0
 
July 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
July 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
July 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 7.7 μg/m3 (32) 32.0
 
July 23, 2019, 2 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
 
July 23, 2019, 1 a.m. 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
 
July 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
July 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
July 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
July 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.6 μg/m3 (23) 25.0
 
July 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 5.4 μg/m3 (23) 23.0
 
July 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.5 μg/m3 (6) 15.0
 
July 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.8 μg/m3 (12) 24.0
 
July 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
July 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.2 μg/m3 (18) 18.0
 
July 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 6.0 μg/m3 (25) 25.0
 
July 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
July 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 3.7 μg/m3 (15) 28.0
 
July 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 8.2 μg/m3 (34) 34.0
 
July 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 3.2 μg/m3 (13) 22.0
 
July 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
July 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 9.3 μg/m3 (39) 39.0
 
July 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 8.6 μg/m3 (36) 36.0
 
July 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 6.4 μg/m3 (27) 37.0
 
July 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 7.8 μg/m3 (32) 32.0
 
July 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.4 μg/m3 (31) 31.0
 
July 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
July 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 7.2 μg/m3 (30) 30.0
 
July 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 5.7 μg/m3 (24) 24.0
 
July 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 5.5 μg/m3 (23) 61.0
 
July 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 2.1 μg/m3 (9) 27.0
 
July 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 2.0 μg/m3 (8) 8.0
 
July 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
July 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
July 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.1 μg/m3 (30) 30.0
 
July 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 2.7 μg/m3 (11) 32.0
 
July 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 12.5 μg/m3 (51) 54.0
 
July 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 12.6 μg/m3 (51) 51.0
 
July 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 13.9 μg/m3 (54) 54.0
 
July 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 13.5 μg/m3 (53) 53.0
 
July 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 13.2 μg/m3 (53) 53.0
 
July 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 13.5 μg/m3 (53) 53.0
 
July 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 11.4 μg/m3 (48) 60.0
 
July 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 7.3 μg/m3 (30) 34.0
 
July 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 6.3 μg/m3 (26) 41.0
 
July 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 12.3 μg/m3 (51) 51.0
 
July 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 10.2 μg/m3 (42) 42.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 12.1 μg/m3 (50) 50.0
 
July 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 10.3 μg/m3 (43) 43.0
 
July 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 10.7 μg/m3 (45) 45.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 100.0 μg/m3 (72) 11.3 μg/m3 (47) 72.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 12.9 μg/m3 (52) 52.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.7 μg/m3 (36) 36.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) N/A
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.8 μg/m3 (8) 8.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 1.0 μg/m3 (4) 4.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 7.7 μg/m3 (32) 32.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 6.4 μg/m3 (27) 49.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 9.5 μg/m3 (40) 41.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 12.8 μg/m3 (52) 52.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 11.5 μg/m3 (48) 57.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 9.9 μg/m3 (41) 41.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 9.6 μg/m3 (40) 40.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 12.4 μg/m3 (51) 51.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 10.8 μg/m3 (45) 45.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.1 μg/m3 (5) 15.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 3.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 10.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.4 μg/m3 (18) 18.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 7 p.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
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 7.8 μg/m3 (32) 32.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 5.4 μg/m3 (23) 43.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 8.2 μg/m3 (34) 34.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 4.3 μg/m3 (18) 30.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 7.2 μg/m3 (30) 32.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 5.8 μg/m3 (24) 30.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 7.3 μg/m3 (30) 30.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.2 μg/m3 (22) 22.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.8 μg/m3 (24) 24.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.9 μg/m3 (25) 25.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 5.2 μg/m3 (22) 35.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 4.5 μg/m3 (19) 22.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 1 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 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 5.3 μg/m3 (22) 22.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 7.8 μg/m3 (32) 41.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 4.0 μg/m3 (17) 56.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 4.6 μg/m3 (19) 31.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 2.4 μg/m3 (10) 30.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 14.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 8.6 μg/m3 (36) 36.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 10.8 μg/m3 (45) 45.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 6.3 μg/m3 (26) 26.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.8 μg/m3 (16) 16.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 7.4 μg/m3 (31) 31.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 7.3 μg/m3 (30) 49.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 8.4 μg/m3 (35) 49.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 8.9 μg/m3 (37) 37.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.7 μg/m3 (24) 24.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.8 μg/m3 (24) 24.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.1 μg/m3 (21) 21.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 5.9 μg/m3 (25) 45.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.7 μg/m3 (11) 12.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.2 μg/m3 (13) 13.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.8 μg/m3 (16) 16.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 3.7 μg/m3 (15) 15.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.9 μg/m3 (12) 12.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.3 μg/m3 (18) 18.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.7 μg/m3 (11) 11.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 13.8 μg/m3 (54) 54.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.3 μg/m3 (14) 14.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 4.6 μg/m3 (19) 31.0
 
July 17, 2019, noon 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
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 3.6 μg/m3 (15) 33.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 6.7 μg/m3 (28) 33.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 15.7 μg/m3 (58) 58.0