ID: 185

AQSQID: 060670010

Site Name: Downtown Sacramento - T Street

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

Updated: Sept. 29, 2020, 5:39 p.m.

Location: Sacramento (Richmond Grove), CA

Reporting: True, Located: True

Current AQI: 88.0

Sacramento (Richmond Grove) CA, US: 38.56844, -121.49311

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 116.3 μg/m3 (81) 30.0 μg/m3 (88) 88.0
 
Sept. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 76.4 μg/m3 (61) 27.0 μg/m3 (82) 82.0
 
Sept. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 58.4 μg/m3 (52) 18.0 μg/m3 (63) 63.0
 
Sept. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 61.6 μg/m3 (53) 18.0 μg/m3 (63) 63.0
 
Sept. 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 55.7 μg/m3 (50) 20.0 μg/m3 (67) 67.0
 
Sept. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 53.5 μg/m3 (49) 20.0 μg/m3 (67) 67.0
 
Sept. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 57.9 μg/m3 (51) 20.0 μg/m3 (67) 67.0
 
Sept. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 72.1 μg/m3 (59) 22.0 μg/m3 (71) 71.0
 
Sept. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 81.2 μg/m3 (63) 20.0 μg/m3 (67) 67.0
 
Sept. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 79.7 μg/m3 (62) 17.0 μg/m3 (61) 62.0
 
Sept. 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 65.1 μg/m3 (55) 19.0 μg/m3 (65) 65.0
 
Sept. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 62.0 μg/m3 (54) 20.0 μg/m3 (67) 67.0
 
Sept. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.3 μg/m3 (55) 17.0 μg/m3 (61) 61.0
 
Sept. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.8 μg/m3 (62) 28.0 μg/m3 (84) 84.0
 
Sept. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.2 μg/m3 (61) 33.0 μg/m3 (95) 95.0
 
Sept. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 64.1 μg/m3 (55) 16.0 μg/m3 (59) 59.0
 
Sept. 29, 2020, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 65.3 μg/m3 (55) 12.0 μg/m3 (50) 55.0
 
Sept. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 58.7 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
Sept. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 58.1 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
Sept. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 53.6 μg/m3 (49) 7.0 μg/m3 (29) 49.0
 
Sept. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 91.1 μg/m3 (68) 27.0 μg/m3 (82) 82.0
 
Sept. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 120.9 μg/m3 (83) 30.0 μg/m3 (88) 88.0
 
Sept. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 122.8 μg/m3 (84) 21.0 μg/m3 (69) 84.0
 
Sept. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 132.6 μg/m3 (89) 16.0 μg/m3 (59) 89.0
 
Sept. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 70.6 μg/m3 (58) 5.0 μg/m3 (21) 58.0
 
Sept. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 46.1 μg/m3 (42) 6.0 μg/m3 (25) 42.0
 
Sept. 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 38.1 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
Sept. 28, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.2 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
Sept. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 41.3 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
Sept. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 63.7 μg/m3 (54) 16.0 μg/m3 (59) 59.0
 
Sept. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 61.9 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
Sept. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 77.8 μg/m3 (61) 27.0 μg/m3 (82) 82.0
 
Sept. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 82.3 μg/m3 (64) 26.0 μg/m3 (80) 80.0
 
Sept. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 68.1 μg/m3 (57) 12.0 μg/m3 (50) 57.0
 
Sept. 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 83.1 μg/m3 (64) 11.0 μg/m3 (46) 64.0
 
Sept. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 87.3 μg/m3 (66) 13.0 μg/m3 (52) 66.0
 
Sept. 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 73.4 μg/m3 (59) 19.0 μg/m3 (65) 65.0
 
Sept. 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 54.3 μg/m3 (49) 14.0 μg/m3 (54) 54.0
 
Sept. 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 63.3 μg/m3 (54) 13.0 μg/m3 (52) 54.0
 
Sept. 28, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 81.3 μg/m3 (63) 17.0 μg/m3 (61) 63.0
 
Sept. 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 103.7 μg/m3 (74) 15.0 μg/m3 (56) 74.0
 
Sept. 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 128.5 μg/m3 (87) 18.0 μg/m3 (63) 87.0
 
Sept. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 143.5 μg/m3 (94) 11.0 μg/m3 (46) 94.0
 
Sept. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 155.2 μg/m3 (100) 13.0 μg/m3 (52) 100.0
 
Sept. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 173.3 μg/m3 (109) 13.0 μg/m3 (52) 109.0
 
Sept. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 147.1 μg/m3 (96) 10.0 μg/m3 (42) 96.0
 
Sept. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 101.1 μg/m3 (73) 4.0 μg/m3 (17) 73.0
 
Sept. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 105.9 μg/m3 (75) 4.0 μg/m3 (17) 75.0
 
Sept. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 95.7 μg/m3 (70) 8.0 μg/m3 (33) 70.0
 
Sept. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 97.3 μg/m3 (71) 12.0 μg/m3 (50) 71.0
 
Sept. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 106.1 μg/m3 (76) 10.0 μg/m3 (42) 76.0
 
Sept. 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 167.8 μg/m3 (106) 8.0 μg/m3 (33) 106.0
 
Sept. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 285.9 μg/m3 (165) 16.0 μg/m3 (59) 165.0
 
Sept. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 369.2 μg/m3 (220) 17.0 μg/m3 (61) 220.0
 
Sept. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 251.6 μg/m3 (148) 7.0 μg/m3 (29) 148.0
 
Sept. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 144.7 μg/m3 (95) 21.0 μg/m3 (69) 95.0
 
Sept. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 55.3 μg/m3 (50) 24.0 μg/m3 (76) 76.0
 
Sept. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 51.7 μg/m3 (47) 15.0 μg/m3 (56) 56.0
 
Sept. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 50.8 μg/m3 (46) 7.0 μg/m3 (29) 46.0
 
Sept. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 51.9 μg/m3 (47) 10.0 μg/m3 (42) 47.0
 
Sept. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 37.7 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Sept. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 48.9 μg/m3 (44) 11.0 μg/m3 (46) 46.0
 
Sept. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 54.4 μg/m3 (49) 9.0 μg/m3 (38) 49.0
 
Sept. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 49.3 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Sept. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 44.4 μg/m3 (40) 7.0 μg/m3 (29) 40.0
 
Sept. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 76.3 μg/m3 (61) 27.0 μg/m3 (82) 82.0
 
Sept. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 69.5 μg/m3 (57) 20.0 μg/m3 (67) 67.0
 
Sept. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 74.9 μg/m3 (60) 10.0 μg/m3 (42) 60.0
 
Sept. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 55.4 μg/m3 (50) 16.0 μg/m3 (59) 59.0
 
Sept. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 35.1 μg/m3 (32) 15.0 μg/m3 (56) 56.0
 
Sept. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 43.9 μg/m3 (40) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 43.7 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
Sept. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 46.8 μg/m3 (43) 10.0 μg/m3 (42) 43.0
 
Sept. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 26.2 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
Sept. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 20.1 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.9 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Sept. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 17.4 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 20.5 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 20.5 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 24.1 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 24.3 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 35.9 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 42.4 μg/m3 (39) 5.0 μg/m3 (21) 39.0
 
Sept. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 36.4 μg/m3 (33) 5.0 μg/m3 (21) 37.0
 
Sept. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 27.9 μg/m3 (25) 6.0 μg/m3 (25) 38.0
 
Sept. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 31.7 μg/m3 (29) 7.0 μg/m3 (29) 37.0
 
Sept. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 34.5 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 28.7 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 30.4 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 28.2 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 28.3 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Sept. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 31.8 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Sept. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
Sept. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Sept. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 18.2 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 19.8 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 16.9 μg/m3 (15) 4.0 μg/m3 (17) 18.0
 
Sept. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.2 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 14.2 μg/m3 (13) 4.0 μg/m3 (17) 21.0
 
Sept. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 20.3 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 23.6 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 27.8 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Sept. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 45.6 μg/m3 (41) 2.0 μg/m3 (8) 41.0
 
Sept. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 63.1 μg/m3 (54) 1.0 μg/m3 (4) 54.0
 
Sept. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 46.1 μg/m3 (42) -2.0 μg/m3 (0) 42.0
 
Sept. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 26.6 μg/m3 (24) -2.0 μg/m3 (0) 27.0
 
Sept. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 16.4 μg/m3 (15) 2.0 μg/m3 (8) 27.0
 
Sept. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.2 μg/m3 (17) 5.0 μg/m3 (21) 26.0
 
Sept. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 23.3 μg/m3 (21) 4.0 μg/m3 (17) 27.0
 
Sept. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 14.4 μg/m3 (13) 4.0 μg/m3 (17) 23.0
 
Sept. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 18.0
 
Sept. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 17.1 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Sept. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 12.6 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 17.8 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 27.5 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 11.7 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
Sept. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Sept. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 10.0 μg/m3 (9) -2.0 μg/m3 (0) 9.0
 
Sept. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) -2.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 9.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 16.0 μg/m3 (15) -1.0 μg/m3 (0) 15.0
 
Sept. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 12.0
 
Sept. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 12.0
 
Sept. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 35.0 μg/m3 (32) 7.0 μg/m3 (29) 32.0
 
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 40.0 μg/m3 (36) 7.0 μg/m3 (29) 36.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 35.0 μg/m3 (32) 1.0 μg/m3 (4) 32.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 30.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 50.0 μg/m3 (45) 18.0 μg/m3 (63) 63.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 43.0 μg/m3 (39) 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 31.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 15.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 15.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 16.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 18.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 18.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 32.0 μg/m3 (29) 3.0 μg/m3 (12) 33.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 23.0 μg/m3 (21) 2.0 μg/m3 (8) 38.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 36.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 33.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 23.0 μg/m3 (21) 2.0 μg/m3 (8) 29.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0