AQSQID: 800090043

Site Name: Santa Fe

Location: San Mateo Tlaltenango, MX

Reporting: True, Located: True

Current AQI: 22.0

San Mateo Tlaltenango MX, MX: 19.3573, -99.2628

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 23, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 28.0 ppb (22) 0.4 ppb (4) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 22.0
 
May 23, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 32.0 ppb (25) 0.4 ppb (4) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
May 23, 2019, 7 a.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 26.0 ppb (20) 0.5 ppb (6) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 33.0 ppb (25) 0.6 ppb (7) 39.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
May 23, 2019, 5 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 32.0 ppb (25) 0.6 ppb (7) 23.0 μg/m3 (21) 4.0 μg/m3 (17) 25.0
 
May 23, 2019, 4 a.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 34.0 ppb (26) 0.6 ppb (7) 5.0 μg/m3 (5) N/A 27.0
 
May 23, 2019, 3 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 44.0 ppb (34) 0.6 ppb (7) 45.0 μg/m3 (41) 23.0 μg/m3 (73) 73.0
 
May 23, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 59.0 ppb (45) 0.5 ppb (6) 29.0 μg/m3 (26) 7.0 μg/m3 (29) 45.0
 
May 23, 2019, 1 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 58.0 ppb (45) 0.6 ppb (7) 23.0 μg/m3 (21) 1.0 μg/m3 (4) 45.0
 
May 23, 2019, midnight N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 66.0 ppb (51) 0.6 ppb (7) 30.0 μg/m3 (27) 15.0 μg/m3 (56) 56.0
 
May 22, 2019, 11 p.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 100.0 ppb (79) 0.5 ppb (6) 52.0 μg/m3 (47) 31.0 μg/m3 (90) 90.0
 
May 22, 2019, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 99.0 ppb (78) 0.5 ppb (6) 26.0 μg/m3 (24) 5.0 μg/m3 (21) 78.0
 
May 22, 2019, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 99.0 ppb (78) 0.5 ppb (6) 24.0 μg/m3 (22) 20.0 μg/m3 (67) 78.0
 
May 22, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 85.0 ppb (67) 0.4 ppb (4) 40.0 μg/m3 (36) 18.0 μg/m3 (63) 67.0
 
May 22, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 79.0 ppb (62) 0.5 ppb (6) 62.0 μg/m3 (54) 24.0 μg/m3 (76) 76.0
 
May 22, 2019, 6 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 71.0 ppb (55) 0.6 ppb (7) 58.0 μg/m3 (52) 31.0 μg/m3 (90) 90.0
 
May 22, 2019, 5 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 52.0 ppb (40) 0.8 ppb (9) N/A N/A 40.0
 
May 22, 2019, 4 p.m. N/A N/A N/A 39.0 ppb (36) N/A 2.0 ppb (3) 34.0 ppb (26) 0.9 ppb (10) N/A N/A 36.0
 
May 22, 2019, 3 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 29.0 ppb (22) 0.8 ppb (9) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 30.0
 
May 22, 2019, 2 p.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 21.0 ppb (16) 0.7 ppb (8) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
May 22, 2019, 1 p.m. N/A N/A N/A 52.0 ppb (48) N/A 2.0 ppb (3) 5.0 ppb (4) 1.0 ppb (11) 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
May 22, 2019, noon N/A N/A N/A 48.0 ppb (44) N/A 2.0 ppb (3) 5.0 ppb (4) 0.8 ppb (9) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 44.0
 
May 22, 2019, 11 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 15.0 ppb (12) 0.5 ppb (6) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 28.0 ppb (22) 0.3 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 32.0 ppb (25) 0.3 ppb (3) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
May 22, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 38.0 ppb (29) 0.3 ppb (3) 22.0 μg/m3 (20) 16.0 μg/m3 (59) 59.0
 
May 22, 2019, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 27.0 ppb (21) 0.4 ppb (4) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
May 22, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 49.0 ppb (38) 0.3 ppb (3) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
May 22, 2019, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 53.0 ppb (41) 0.3 ppb (3) 26.0 μg/m3 (24) 19.0 μg/m3 (65) 65.0
 
May 22, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 50.0 ppb (38) 0.4 ppb (4) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 38.0
 
May 22, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 53.0 ppb (41) 0.5 ppb (6) 73.0 μg/m3 (59) 12.0 μg/m3 (50) 59.0
 
May 22, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 53.0 ppb (41) 0.6 ppb (7) 102.0 μg/m3 (74) N/A 74.0
 
May 22, 2019, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 59.0 ppb (45) 0.9 ppb (10) 45.0 μg/m3 (41) 16.0 μg/m3 (59) 59.0
 
May 22, 2019, midnight N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) N/A 0.8 ppb (9) 51.0 μg/m3 (46) 25.0 μg/m3 (78) 78.0
 
May 21, 2019, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 110.0 ppb (88) 0.5 ppb (6) 62.0 μg/m3 (54) 35.0 μg/m3 (99) 99.0
 
May 21, 2019, 10 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 115.0 ppb (92) 0.5 ppb (6) 38.0 μg/m3 (35) 14.0 μg/m3 (54) 92.0
 
May 21, 2019, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 110.0 ppb (88) 0.5 ppb (6) 42.0 μg/m3 (38) 16.0 μg/m3 (59) 88.0
 
May 21, 2019, 8 p.m. N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) 108.0 ppb (86) 0.6 ppb (7) 41.0 μg/m3 (37) 17.0 μg/m3 (61) 86.0
 
May 21, 2019, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 98.0 ppb (78) 0.6 ppb (7) 69.0 μg/m3 (57) 37.0 μg/m3 (104) 104.0
 
May 21, 2019, 6 p.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 83.0 ppb (65) 0.7 ppb (8) 75.0 μg/m3 (60) 36.0 μg/m3 (101) 101.0
 
May 21, 2019, 5 p.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 64.0 ppb (49) 0.8 ppb (9) 45.0 μg/m3 (41) 16.0 μg/m3 (59) 59.0
 
May 21, 2019, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 52.0 ppb (40) 0.7 ppb (8) 59.0 μg/m3 (52) 33.0 μg/m3 (95) 95.0
 
May 21, 2019, 3 p.m. N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 38.0 ppb (29) 0.9 ppb (10) 48.0 μg/m3 (44) 30.0 μg/m3 (88) 88.0
 
May 21, 2019, 2 p.m. N/A N/A N/A 39.0 ppb (36) N/A 1.0 ppb (1) 27.0 ppb (21) 0.9 ppb (10) 44.0 μg/m3 (40) 27.0 μg/m3 (82) 82.0
 
May 21, 2019, 1 p.m. N/A N/A N/A 39.0 ppb (36) N/A 1.0 ppb (1) 27.0 ppb (21) 0.6 ppb (7) N/A N/A 36.0
 
May 21, 2019, noon N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 32.0 ppb (25) 0.5 ppb (6) 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
May 21, 2019, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 43.0 ppb (33) 0.4 ppb (4) N/A N/A 33.0
 
May 21, 2019, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 49.0 ppb (38) 0.3 ppb (3) N/A N/A 38.0
 
May 21, 2019, 9 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 39.0 ppb (30) 0.3 ppb (3) N/A N/A 30.0
 
May 21, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 46.0 ppb (35) 0.3 ppb (3) N/A N/A 35.0
 
May 21, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 51.0 ppb (39) 0.4 ppb (4) N/A N/A 39.0
 
May 21, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 43.0 ppb (33) 0.4 ppb (4) N/A N/A 33.0
 
May 21, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 43.0 ppb (33) 0.4 ppb (4) N/A N/A 33.0
 
May 21, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 46.0 ppb (35) 0.4 ppb (4) N/A N/A 35.0
 
May 21, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 48.0 ppb (37) 0.4 ppb (4) N/A N/A 37.0
 
May 21, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 61.0 ppb (47) 0.5 ppb (6) N/A N/A 47.0
 
May 21, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 63.0 ppb (48) 0.6 ppb (7) N/A N/A 48.0
 
May 21, 2019, midnight N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 76.0 ppb (59) 0.5 ppb (6) N/A N/A 59.0
 
May 20, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 89.0 ppb (70) 0.4 ppb (4) N/A N/A 70.0
 
May 20, 2019, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 99.0 ppb (78) 0.5 ppb (6) N/A N/A 78.0
 
May 20, 2019, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 100.0 ppb (79) 0.5 ppb (6) N/A N/A 79.0
 
May 20, 2019, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 10.0
 
May 20, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 82.0 ppb (64) 0.5 ppb (6) N/A N/A 64.0
 
May 20, 2019, 6 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 78.0 ppb (61) 0.6 ppb (7) N/A N/A 61.0
 
May 20, 2019, 5 p.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) N/A 0.7 ppb (8) N/A N/A 25.0
 
May 20, 2019, 4 p.m. N/A N/A N/A 42.0 ppb (39) N/A 2.0 ppb (3) 38.0 ppb (29) 1.0 ppb (11) N/A N/A 39.0
 
May 20, 2019, 3 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 42.0 ppb (32) 0.6 ppb (7) N/A N/A 32.0
 
May 20, 2019, 2 p.m. N/A N/A N/A 40.0 ppb (37) N/A 1.0 ppb (1) 15.0 ppb (12) 0.9 ppb (10) N/A N/A 37.0
 
May 20, 2019, 1 p.m. N/A N/A N/A 50.0 ppb (46) N/A 1.0 ppb (1) 10.0 ppb (8) 0.8 ppb (9) N/A N/A 46.0
 
May 20, 2019, noon N/A N/A N/A 53.0 ppb (49) N/A 1.0 ppb (1) 7.0 ppb (5) 0.7 ppb (8) N/A N/A 49.0
 
May 20, 2019, 11 a.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 14.0 ppb (11) 0.6 ppb (7) N/A N/A 40.0
 
May 20, 2019, 10 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 25.0 ppb (19) 0.4 ppb (4) N/A N/A 21.0
 
May 20, 2019, 9 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 36.0 ppb (28) 0.4 ppb (4) N/A N/A 28.0
 
May 20, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 43.0 ppb (33) 0.4 ppb (4) N/A N/A 33.0
 
May 20, 2019, 7 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 31.0 ppb (24) 0.5 ppb (6) N/A N/A 24.0
 
May 20, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 31.0 ppb (24) 0.5 ppb (6) N/A N/A 24.0
 
May 20, 2019, 5 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 42.0 ppb (32) 0.5 ppb (6) N/A N/A 32.0
 
May 20, 2019, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 48.0 ppb (37) 0.5 ppb (6) N/A N/A 37.0
 
May 20, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 57.0 ppb (44) 0.4 ppb (4) N/A N/A 44.0
 
May 20, 2019, 2 a.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 52.0 ppb (40) 0.6 ppb (7) N/A N/A 40.0
 
May 20, 2019, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 3.0 ppb (4) 67.0 ppb (52) 0.4 ppb (4) N/A N/A 52.0
 
May 20, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A 5.0 ppb (7) 80.0 ppb (62) 0.3 ppb (3) N/A N/A 62.0
 
May 19, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 5.0 ppb (7) 84.0 ppb (66) 0.3 ppb (3) N/A N/A 66.0
 
May 19, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 81.0 ppb (63) 0.4 ppb (4) N/A N/A 63.0
 
May 19, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 80.0 ppb (62) 0.3 ppb (3) N/A N/A 62.0
 
May 19, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 79.0 ppb (62) 0.3 ppb (3) N/A N/A 62.0
 
May 19, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 75.0 ppb (58) 0.4 ppb (4) N/A N/A 58.0
 
May 19, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 77.0 ppb (60) 0.5 ppb (6) N/A N/A 60.0
 
May 19, 2019, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 64.0 ppb (49) 0.5 ppb (6) N/A N/A 49.0
 
May 19, 2019, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 51.0 ppb (39) 0.6 ppb (7) N/A N/A 39.0
 
May 19, 2019, 3 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 32.0 ppb (25) 0.7 ppb (8) N/A N/A 25.0
 
May 19, 2019, 2 p.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 20.0 ppb (15) 0.7 ppb (8) N/A N/A 22.0
 
May 19, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 13.0 ppb (10) 0.7 ppb (8) N/A N/A 31.0
 
May 19, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 13.0 ppb (10) 0.6 ppb (7) N/A N/A 29.0
 
May 19, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 25.0 ppb (19) 0.4 ppb (4) N/A N/A 19.0
 
May 19, 2019, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 31.0 ppb (24) 0.4 ppb (4) N/A N/A 24.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 19, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 28.0 ppb (22) 0.5 ppb (6) N/A N/A 22.0
 
May 19, 2019, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 27.0 ppb (21) 0.6 ppb (7) N/A N/A 21.0
 
May 19, 2019, 4 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 36.0 ppb (28) 0.5 ppb (6) N/A N/A 28.0
 
May 19, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 41.0 ppb (32) 0.4 ppb (4) N/A N/A 32.0
 
May 19, 2019, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 41.0 ppb (32) 0.4 ppb (4) N/A N/A 32.0
 
May 19, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 49.0 ppb (38) 0.4 ppb (4) N/A N/A 38.0
 
May 19, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 52.0 ppb (40) 0.4 ppb (4) 38.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 55.0 ppb (42) 0.4 ppb (4) 37.0 μg/m3 (34) 31.0 μg/m3 (90) 90.0
 
May 18, 2019, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 79.0 ppb (62) 0.5 ppb (6) 42.0 μg/m3 (38) 25.0 μg/m3 (78) 78.0
 
May 18, 2019, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 80.0 ppb (62) 0.5 ppb (6) 42.0 μg/m3 (38) 29.0 μg/m3 (86) 86.0
 
May 18, 2019, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 70.0 ppb (54) 0.5 ppb (6) 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
May 18, 2019, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 74.0 ppb (57) 0.5 ppb (6) 75.0 μg/m3 (60) 50.0 μg/m3 (136) 136.0
 
May 18, 2019, 6 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 63.0 ppb (48) 0.6 ppb (7) 73.0 μg/m3 (59) 43.0 μg/m3 (119) 119.0
 
May 18, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 50.0 ppb (38) 0.4 ppb (4) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 38.0
 
May 18, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.4 ppb (4) 50.0 μg/m3 (45) 40.0 μg/m3 (111) 111.0
 
May 18, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 41.0 ppb (32) 0.5 ppb (6) 44.0 μg/m3 (40) 30.0 μg/m3 (88) 88.0
 
May 18, 2019, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 26.0 ppb (20) 0.6 ppb (7) 39.0 μg/m3 (35) 26.0 μg/m3 (80) 80.0
 
May 18, 2019, 1 p.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 24.0 ppb (18) 0.6 ppb (7) 37.0 μg/m3 (34) 27.0 μg/m3 (82) 82.0
 
May 18, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 34.0 ppb (26) 0.5 ppb (6) 33.0 μg/m3 (30) 24.0 μg/m3 (76) 76.0
 
May 18, 2019, 11 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 31.0 ppb (24) 0.5 ppb (6) 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
May 18, 2019, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 32.0 ppb (25) 0.4 ppb (4) 30.0 μg/m3 (27) 22.0 μg/m3 (71) 71.0
 
May 18, 2019, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 38.0 ppb (29) 0.4 ppb (4) 29.0 μg/m3 (26) 20.0 μg/m3 (67) 67.0
 
May 18, 2019, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 26.0 ppb (20) 0.4 ppb (4) 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
May 18, 2019, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 28.0 ppb (22) 0.4 ppb (4) 25.0 μg/m3 (23) 18.0 μg/m3 (63) 63.0
 
May 18, 2019, 6 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 15.0 ppb (12) 0.5 ppb (6) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 20.0 ppb (15) 0.5 ppb (6) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 34.0 ppb (26) 0.4 ppb (4) 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 36.0 ppb (28) 0.4 ppb (4) 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
May 18, 2019, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 35.0 ppb (27) 0.4 ppb (4) 31.0 μg/m3 (28) 20.0 μg/m3 (67) 67.0
 
May 18, 2019, 1 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 21.0 ppb (16) 0.7 ppb (8) 4.0 μg/m3 (4) N/A 31.0
 
May 18, 2019, midnight N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 50.0 ppb (38) 0.5 ppb (6) 27.0 μg/m3 (25) 21.0 μg/m3 (69) 69.0
 
May 17, 2019, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 53.0 ppb (41) 0.5 ppb (6) 45.0 μg/m3 (41) 30.0 μg/m3 (88) 88.0
 
May 17, 2019, 10 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 51.0 ppb (39) 0.6 ppb (7) 60.0 μg/m3 (52) 37.0 μg/m3 (104) 104.0
 
May 17, 2019, 9 p.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 60.0 ppb (46) 0.7 ppb (8) N/A N/A 46.0
 
May 17, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 74.0 ppb (57) 0.5 ppb (6) N/A N/A 57.0
 
May 17, 2019, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 73.0 ppb (57) 0.5 ppb (6) N/A N/A 57.0
 
May 17, 2019, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 72.0 ppb (56) 0.6 ppb (7) N/A N/A 56.0
 
May 17, 2019, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 65.0 ppb (50) 0.7 ppb (8) 80.0 μg/m3 (62) 62.0 μg/m3 (153) 153.0
 
May 17, 2019, 4 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 48.0 ppb (37) 0.8 ppb (9) 68.0 μg/m3 (56) 46.0 μg/m3 (126) 126.0
 
May 17, 2019, 3 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 34.0 ppb (26) 0.8 ppb (9) 75.0 μg/m3 (60) 47.0 μg/m3 (129) 129.0
 
May 17, 2019, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A 2.0 ppb (3) 15.0 ppb (12) 1.0 ppb (11) 64.0 μg/m3 (54) 44.0 μg/m3 (121) 121.0
 
May 17, 2019, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 10.0 ppb (8) 0.9 ppb (10) 49.0 μg/m3 (45) 33.0 μg/m3 (95) 95.0
 
May 17, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 11.0 ppb (8) 0.7 ppb (8) 51.0 μg/m3 (46) 37.0 μg/m3 (104) 104.0
 
May 17, 2019, 11 a.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 15.0 ppb (12) 0.6 ppb (7) 49.0 μg/m3 (45) 36.0 μg/m3 (101) 101.0
 
May 17, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 26.0 ppb (20) 0.6 ppb (7) 53.0 μg/m3 (48) 40.0 μg/m3 (111) 111.0
 
May 17, 2019, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 27.0 ppb (21) 0.6 ppb (7) 55.0 μg/m3 (50) 43.0 μg/m3 (119) 119.0
 
May 17, 2019, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 24.0 ppb (18) 0.6 ppb (7) 42.0 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
May 17, 2019, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 29.0 ppb (22) 0.6 ppb (7) 43.0 μg/m3 (39) 33.0 μg/m3 (95) 95.0
 
May 17, 2019, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 32.0 ppb (25) 0.7 ppb (8) 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
May 17, 2019, 5 a.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 34.0 ppb (26) 0.7 ppb (8) 55.0 μg/m3 (50) 41.0 μg/m3 (114) 114.0
 
May 17, 2019, 4 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 31.0 ppb (24) 0.7 ppb (8) 48.0 μg/m3 (44) 33.0 μg/m3 (95) 95.0
 
May 17, 2019, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 40.0 ppb (31) 0.6 ppb (7) 71.0 μg/m3 (58) 52.0 μg/m3 (141) 141.0
 
May 17, 2019, 2 a.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 27.0 ppb (21) 0.8 ppb (9) 54.0 μg/m3 (49) 39.0 μg/m3 (109) 109.0
 
May 17, 2019, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 40.0 ppb (31) 0.7 ppb (8) 58.0 μg/m3 (52) 42.0 μg/m3 (116) 116.0
 
May 17, 2019, midnight N/A N/A N/A 30.0 ppb (28) N/A 3.0 ppb (4) 30.0 ppb (23) 0.8 ppb (9) 59.0 μg/m3 (52) 43.0 μg/m3 (119) 119.0
 
May 16, 2019, 11 p.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 39.0 ppb (30) 0.8 ppb (9) 70.0 μg/m3 (58) 37.0 μg/m3 (104) 104.0
 
May 16, 2019, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 54.0 ppb (42) 0.6 ppb (7) 75.0 μg/m3 (60) 47.0 μg/m3 (129) 129.0
 
May 16, 2019, 9 p.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 71.0 ppb (55) 0.6 ppb (7) 67.0 μg/m3 (56) 41.0 μg/m3 (114) 114.0
 
May 16, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A 3.0 ppb (4) 90.0 ppb (71) 0.6 ppb (7) 67.0 μg/m3 (56) 33.0 μg/m3 (95) 95.0
 
May 16, 2019, 7 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 87.0 ppb (68) 0.7 ppb (8) 110.0 μg/m3 (78) 87.0 μg/m3 (167) 167.0
 
May 16, 2019, 6 p.m. N/A N/A N/A 30.0 ppb (28) N/A 3.0 ppb (4) 79.0 ppb (62) 0.9 ppb (10) 90.0 μg/m3 (68) 44.0 μg/m3 (121) 121.0
 
May 16, 2019, 5 p.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 58.0 ppb (45) 1.0 ppb (11) 104.0 μg/m3 (74) 75.0 μg/m3 (160) 160.0
 
May 16, 2019, 4 p.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 45.0 ppb (35) 1.0 ppb (11) 105.0 μg/m3 (75) 70.0 μg/m3 (158) 158.0
 
May 16, 2019, 3 p.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 31.0 ppb (24) 1.0 ppb (11) 84.0 μg/m3 (64) 51.0 μg/m3 (139) 139.0
 
May 16, 2019, 2 p.m. N/A N/A N/A 41.0 ppb (38) N/A 2.0 ppb (3) 18.0 ppb (14) 1.1 ppb (12) 90.0 μg/m3 (68) 61.0 μg/m3 (153) 153.0
 
May 16, 2019, 1 p.m. N/A N/A N/A 47.0 ppb (44) N/A 2.0 ppb (3) 11.0 ppb (8) 1.0 ppb (11) 81.0 μg/m3 (63) 58.0 μg/m3 (151) 151.0
 
May 16, 2019, noon N/A N/A N/A 53.0 ppb (49) N/A 2.0 ppb (3) 6.0 ppb (5) 1.0 ppb (11) 81.0 μg/m3 (63) 62.0 μg/m3 (153) 153.0
 
May 16, 2019, 11 a.m. N/A N/A N/A 48.0 ppb (44) N/A 1.0 ppb (1) 11.0 ppb (8) 0.8 ppb (9) 62.0 μg/m3 (54) 46.0 μg/m3 (126) 126.0
 
May 16, 2019, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 29.0 ppb (22) 0.7 ppb (8) 73.0 μg/m3 (59) 56.0 μg/m3 (150) 150.0