ID: 546

AQSQID: 320030071

Site Name: Walter Johnson

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

Updated: Sept. 22, 2020, 2:39 p.m.

Location: Las Vegas (Villa Monterey Dr), NV

Reporting: True, Located: True

Current AQI: 59.0

Las Vegas (Villa Monterey Dr) NV, US: 36.169756, -115.263038

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 49.0 μg/m3 (45) 16.1 μg/m3 (59) 59.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 45.0 μg/m3 (41) 15.6 μg/m3 (58) 58.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 41.0 μg/m3 (37) 17.0 μg/m3 (61) 61.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 33.0 μg/m3 (30) 13.2 μg/m3 (53) 53.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 34.0 μg/m3 (31) 12.7 μg/m3 (51) 51.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 13.9 μg/m3 (54) 54.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 36.0 μg/m3 (33) 13.4 μg/m3 (53) 53.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 39.0 μg/m3 (35) 14.2 μg/m3 (55) 55.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 39.0 μg/m3 (35) 14.3 μg/m3 (55) 55.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 33.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 32.0 μg/m3 (29) 11.4 μg/m3 (48) 48.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 37.0 μg/m3 (34) 11.2 μg/m3 (47) 47.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 33.0 μg/m3 (30) 10.9 μg/m3 (45) 45.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 29.0 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 30.0 μg/m3 (27) 10.8 μg/m3 (45) 45.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 32.0 μg/m3 (29) 10.6 μg/m3 (44) 44.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 30.0 μg/m3 (27) 10.3 μg/m3 (43) 45.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 37.0 μg/m3 (34) 12.1 μg/m3 (50) 50.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 45.0 μg/m3 (41) 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 46.0 μg/m3 (42) 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 39.0 μg/m3 (35) 13.4 μg/m3 (53) 53.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 49.0 μg/m3 (45) 14.2 μg/m3 (55) 55.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 49.0 μg/m3 (45) 14.0 μg/m3 (54) 54.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 38.0 μg/m3 (35) 13.2 μg/m3 (53) 53.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 29.0 μg/m3 (26) 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 28.0 μg/m3 (25) 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 28.0 μg/m3 (25) 12.7 μg/m3 (51) 51.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 30.0 μg/m3 (27) 12.8 μg/m3 (52) 52.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 30.0 μg/m3 (27) 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 33.0 μg/m3 (30) 13.9 μg/m3 (54) 54.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 31.0 μg/m3 (28) 13.9 μg/m3 (54) 54.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 30.0 μg/m3 (27) 14.8 μg/m3 (56) 56.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 28.0 μg/m3 (25) 14.8 μg/m3 (56) 56.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 34.0 μg/m3 (31) 17.1 μg/m3 (61) 61.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 49.0 μg/m3 (45) 17.1 μg/m3 (61) 61.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 70.0 μg/m3 (58) 15.3 μg/m3 (57) 58.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 38.0 μg/m3 (35) 14.2 μg/m3 (55) 55.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A 35.0 μg/m3 (32) 15.2 μg/m3 (57) 57.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A 40.0 μg/m3 (36) 17.4 μg/m3 (61) 61.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A 41.0 μg/m3 (37) 18.8 μg/m3 (64) 64.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A 43.0 μg/m3 (39) 20.9 μg/m3 (69) 69.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 45.0 μg/m3 (41) 19.9 μg/m3 (67) 67.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 47.0 μg/m3 (43) 18.9 μg/m3 (65) 65.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 38.0 μg/m3 (35) 18.3 μg/m3 (63) 63.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 38.0 μg/m3 (35) 20.5 μg/m3 (68) 68.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 50.0 μg/m3 (45) 26.9 μg/m3 (82) 82.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 52.0 μg/m3 (47) 32.6 μg/m3 (94) 94.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 55.0 μg/m3 (50) 34.5 μg/m3 (98) 98.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 54.0 μg/m3 (49) 34.9 μg/m3 (99) 99.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 54.0 μg/m3 (49) 34.9 μg/m3 (99) 99.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 58.0 μg/m3 (52) 37.6 μg/m3 (105) 105.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 66.0 μg/m3 (56) 43.7 μg/m3 (120) 120.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 66.0 μg/m3 (56) 45.1 μg/m3 (124) 124.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 69.0 μg/m3 (57) 47.9 μg/m3 (131) 131.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 70.0 μg/m3 (58) 48.3 μg/m3 (132) 132.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 66.0 μg/m3 (56) 47.4 μg/m3 (130) 130.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 47.0 μg/m3 (43) 25.9 μg/m3 (80) 80.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 39.0 μg/m3 (35) 16.5 μg/m3 (60) 60.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 25.0 μg/m3 (23) 11.3 μg/m3 (47) 47.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 29.0 μg/m3 (26) 13.5 μg/m3 (53) 53.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 30.0 μg/m3 (27) 15.4 μg/m3 (57) 57.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 37.0 μg/m3 (34) 18.4 μg/m3 (64) 64.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 33.0 μg/m3 (30) 19.7 μg/m3 (66) 66.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 30.0 μg/m3 (27) 16.2 μg/m3 (59) 59.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 18.0 μg/m3 (16) 8.9 μg/m3 (37) 37.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 19.0 μg/m3 (17) 7.7 μg/m3 (32) 32.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 54.0 μg/m3 (49) 31.9 μg/m3 (92) 92.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 55.0 μg/m3 (50) 30.6 μg/m3 (90) 90.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 40.0 μg/m3 (36) 20.2 μg/m3 (67) 67.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 40.0 μg/m3 (36) 20.6 μg/m3 (68) 68.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 46.0 μg/m3 (42) 24.0 μg/m3 (76) 76.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 47.0 μg/m3 (43) 20.2 μg/m3 (67) 67.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 45.0 μg/m3 (41) 19.5 μg/m3 (66) 66.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 53.0 μg/m3 (48) 26.4 μg/m3 (81) 81.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 68.0 μg/m3 (56) 34.0 μg/m3 (97) 97.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 91.0 μg/m3 (68) 48.0 μg/m3 (131) 131.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 98.0 μg/m3 (72) 56.4 μg/m3 (150) 150.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 88.0 μg/m3 (66) 46.8 μg/m3 (128) 128.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 82.0 μg/m3 (64) 41.3 μg/m3 (114) 114.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 64.0 μg/m3 (54) 30.2 μg/m3 (89) 89.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 44.0 μg/m3 (40) 22.7 μg/m3 (73) 73.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 42.0 μg/m3 (38) 23.6 μg/m3 (75) 75.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 42.0 μg/m3 (38) 21.5 μg/m3 (70) 70.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 39.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 40.0 μg/m3 (36) 16.0 μg/m3 (59) 59.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 52.0 μg/m3 (47) 17.6 μg/m3 (62) 62.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 69.0 μg/m3 (57) 24.1 μg/m3 (76) 76.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 55.0 μg/m3 (50) 21.1 μg/m3 (69) 69.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 48.0 μg/m3 (44) 20.7 μg/m3 (69) 69.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 56.0 μg/m3 (50) 23.5 μg/m3 (74) 74.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 62.0 μg/m3 (54) 21.5 μg/m3 (70) 70.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 84.0 μg/m3 (64) 24.0 μg/m3 (76) 76.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 72.0 μg/m3 (58) 24.5 μg/m3 (77) 77.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 63.0 μg/m3 (54) 20.4 μg/m3 (68) 68.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 47.0 μg/m3 (43) 18.3 μg/m3 (63) 63.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 46.0 μg/m3 (42) 17.6 μg/m3 (62) 62.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 43.0 μg/m3 (39) 17.1 μg/m3 (61) 61.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 44.0 μg/m3 (40) 18.1 μg/m3 (63) 63.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 42.0 μg/m3 (38) 18.6 μg/m3 (64) 64.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 39.0 μg/m3 (35) 18.2 μg/m3 (63) 63.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 41.0 μg/m3 (37) 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 35.0 μg/m3 (32) 17.5 μg/m3 (62) 62.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 35.0 μg/m3 (32) 17.2 μg/m3 (61) 61.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 35.0 μg/m3 (32) 16.5 μg/m3 (60) 60.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 33.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 28.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 23.0 μg/m3 (21) 9.6 μg/m3 (40) 45.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 27.0 μg/m3 (25) 10.3 μg/m3 (43) 51.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 28.0 μg/m3 (25) 10.9 μg/m3 (45) 51.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A 27.0 μg/m3 (25) 10.1 μg/m3 (42) 52.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 31.0 μg/m3 (28) 10.4 μg/m3 (43) 48.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 31.0 μg/m3 (28) 12.4 μg/m3 (51) 51.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 47.0 μg/m3 (43) 14.3 μg/m3 (55) 55.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 46.0 μg/m3 (42) 16.5 μg/m3 (60) 60.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 53.0 μg/m3 (48) 17.2 μg/m3 (61) 61.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 43.0 μg/m3 (39) 16.4 μg/m3 (59) 59.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 33.0 μg/m3 (30) 15.5 μg/m3 (57) 57.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 33.0 μg/m3 (30) 14.1 μg/m3 (54) 54.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 36.0 μg/m3 (33) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 36.0 μg/m3 (33) 15.2 μg/m3 (57) 57.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 29.0 μg/m3 (26) 13.5 μg/m3 (53) 53.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 44.0 μg/m3 (40) 14.1 μg/m3 (54) 54.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 39.0 μg/m3 (35) 13.3 μg/m3 (53) 53.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 29.0 μg/m3 (26) 12.7 μg/m3 (51) 51.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 43.0 μg/m3 (39) 13.5 μg/m3 (53) 53.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 29.0 μg/m3 (26) 13.3 μg/m3 (53) 53.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 31.0 μg/m3 (28) 13.3 μg/m3 (53) 53.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 37.0 μg/m3 (34) 14.9 μg/m3 (56) 56.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 44.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 21.0 μg/m3 (19) 9.8 μg/m3 (41) 48.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 22.0 μg/m3 (20) 9.7 μg/m3 (40) 50.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 20.0 μg/m3 (18) 8.3 μg/m3 (35) 48.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A 24.0 μg/m3 (22) 10.3 μg/m3 (43) 52.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A 34.0 μg/m3 (31) 14.0 μg/m3 (54) 55.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (56) N/A 39.0 μg/m3 (35) 17.5 μg/m3 (62) 62.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A 41.0 μg/m3 (37) 17.4 μg/m3 (61) 61.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 48.0 μg/m3 (44) 17.4 μg/m3 (61) 61.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 47.0 μg/m3 (43) 16.9 μg/m3 (60) 60.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 55.0 μg/m3 (50) 16.6 μg/m3 (60) 60.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 52.0 μg/m3 (47) 17.8 μg/m3 (62) 62.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 38.0 μg/m3 (35) 16.8 μg/m3 (60) 60.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 30.0 μg/m3 (27) 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 28.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 29.0 μg/m3 (26) 13.4 μg/m3 (53) 53.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 29.0 μg/m3 (26) 13.5 μg/m3 (53) 53.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 26.0 μg/m3 (24) 12.9 μg/m3 (52) 52.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 25.0 μg/m3 (23) 12.4 μg/m3 (51) 51.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 31.0 μg/m3 (28) 13.9 μg/m3 (54) 54.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 32.0 μg/m3 (29) 16.1 μg/m3 (59) 59.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 37.0 μg/m3 (34) 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 38.0 μg/m3 (35) 13.5 μg/m3 (53) 53.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 39.0 μg/m3 (35) 13.6 μg/m3 (53) 53.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 26.0 μg/m3 (24) 11.2 μg/m3 (47) 50.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A 26.0 μg/m3 (24) 10.8 μg/m3 (45) 50.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 53.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A 29.0 μg/m3 (26) 12.0 μg/m3 (50) 53.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 34.0 μg/m3 (31) 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 36.0 μg/m3 (33) 13.6 μg/m3 (53) 53.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 32.0 μg/m3 (29) 12.9 μg/m3 (52) 52.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 32.0 μg/m3 (29) 13.6 μg/m3 (53) 53.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 46.0 μg/m3 (42) 14.7 μg/m3 (56) 56.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 47.0 μg/m3 (43) 15.5 μg/m3 (57) 57.0