ID: 185

AQSQID: 060670010

Site Name: Downtown Sacramento - T Street

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

Updated: Jan. 18, 2021, 4:30 a.m.

Location: Sacramento (Richmond Grove), CA

Reporting: True, Located: True

Current AQI: 87.0

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
Jan. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 44.3 μg/m3 (42) 29.0 μg/m3 (87) 87.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 57.7 μg/m3 (53) 25.0 μg/m3 (79) 79.0
 
Jan. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 31.5 μg/m3 (30) 22.0 μg/m3 (72) 72.0
 
Jan. 18, 2021, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 29.8 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.2 μg/m3 (26) 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 26.7 μg/m3 (25) 23.0 μg/m3 (74) 74.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 32.3 μg/m3 (30) 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 27.9 μg/m3 (26) 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 35.2 μg/m3 (33) 21.0 μg/m3 (70) 70.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 37.1 μg/m3 (35) 25.0 μg/m3 (79) 79.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 35.1 μg/m3 (33) 27.0 μg/m3 (83) 83.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 37.7 μg/m3 (35) 28.0 μg/m3 (85) 85.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 32.5 μg/m3 (31) 29.0 μg/m3 (87) 87.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 34.7 μg/m3 (33) 30.0 μg/m3 (89) 89.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 31.4 μg/m3 (30) 28.0 μg/m3 (85) 85.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.6 μg/m3 (36) 29.0 μg/m3 (87) 87.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 35.2 μg/m3 (33) 27.0 μg/m3 (83) 83.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 29.4 μg/m3 (28) 26.0 μg/m3 (81) 81.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 28.8 μg/m3 (27) 23.0 μg/m3 (74) 74.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 29.9 μg/m3 (28) 28.0 μg/m3 (85) 85.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 36.8 μg/m3 (35) 29.0 μg/m3 (87) 87.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 39.5 μg/m3 (37) 33.0 μg/m3 (95) 95.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 47.7 μg/m3 (45) 36.0 μg/m3 (103) 103.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 55.4 μg/m3 (52) 42.0 μg/m3 (118) 118.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 42.0 μg/m3 (39) 27.0 μg/m3 (83) 83.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 33.4 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 21.5 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 9.4 μg/m3 (9) 3.0 μg/m3 (13) 24.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 9.9 μg/m3 (10) 3.0 μg/m3 (13) 24.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 11.7 μg/m3 (11) 3.0 μg/m3 (13) 21.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 12.9 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 17.8 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 16.6 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 20.0 μg/m3 (19) 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 27.2 μg/m3 (26) 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 29.0 μg/m3 (27) 23.0 μg/m3 (74) 74.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 28.9 μg/m3 (27) 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 23.5 μg/m3 (22) 18.0 μg/m3 (64) 64.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 25.5 μg/m3 (24) 19.0 μg/m3 (66) 66.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 21.5 μg/m3 (20) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 32.2 μg/m3 (30) 28.0 μg/m3 (85) 85.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 30.2 μg/m3 (28) 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 29.4 μg/m3 (28) 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 28.5 μg/m3 (27) 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 33.1 μg/m3 (31) 25.0 μg/m3 (79) 79.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 41.1 μg/m3 (39) 28.0 μg/m3 (85) 85.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 39.0 μg/m3 (37) 30.0 μg/m3 (89) 89.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 36.8 μg/m3 (35) 28.0 μg/m3 (85) 85.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 34.2 μg/m3 (32) 26.0 μg/m3 (81) 81.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 39.4 μg/m3 (37) 29.0 μg/m3 (87) 87.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 35.3 μg/m3 (33) 27.0 μg/m3 (83) 83.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 32.7 μg/m3 (31) 27.0 μg/m3 (83) 83.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 37.3 μg/m3 (35) 25.0 μg/m3 (79) 79.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 50.9 μg/m3 (48) 31.0 μg/m3 (91) 91.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 47.9 μg/m3 (45) 29.0 μg/m3 (87) 87.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 41.7 μg/m3 (39) 26.0 μg/m3 (81) 81.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 49.4 μg/m3 (46) 22.0 μg/m3 (72) 72.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 40.1 μg/m3 (38) 27.0 μg/m3 (83) 83.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 41.6 μg/m3 (39) 26.0 μg/m3 (81) 81.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 29.0 μg/m3 (27) 18.0 μg/m3 (64) 64.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 37.4 μg/m3 (35) 28.0 μg/m3 (85) 85.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 42.4 μg/m3 (40) 29.0 μg/m3 (87) 87.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 27.0 μg/m3 (83) 83.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 31.4 μg/m3 (30) 26.0 μg/m3 (81) 81.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 30.2 μg/m3 (28) 33.0 μg/m3 (95) 95.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 33.3 μg/m3 (31) 28.0 μg/m3 (85) 85.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 45.3 μg/m3 (42) 27.0 μg/m3 (83) 83.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 62.7 μg/m3 (55) 40.0 μg/m3 (113) 113.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 51.5 μg/m3 (48) 34.0 μg/m3 (98) 98.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 52.8 μg/m3 (49) 39.0 μg/m3 (110) 110.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 55.6 μg/m3 (52) 40.0 μg/m3 (113) 113.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 51.9 μg/m3 (49) 31.0 μg/m3 (91) 91.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 50.5 μg/m3 (47) 32.0 μg/m3 (93) 93.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 46.2 μg/m3 (43) 31.0 μg/m3 (91) 91.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 44.2 μg/m3 (41) 22.0 μg/m3 (72) 72.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 39.3 μg/m3 (37) 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 30.8 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 31.3 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 30.8 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 24.9 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 23.8 μg/m3 (23) 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 16.6 μg/m3 (16) 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.6 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 13.1 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 7.7 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 7.4 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 7.3 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 17.3 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 13.6 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 17.1 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 19.2 μg/m3 (18) 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 30.8 μg/m3 (29) 25.0 μg/m3 (79) 79.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 33.9 μg/m3 (32) 28.0 μg/m3 (85) 85.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 38.3 μg/m3 (36) 31.0 μg/m3 (91) 91.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 37.1 μg/m3 (35) 35.0 μg/m3 (100) 100.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 38.5 μg/m3 (36) 31.0 μg/m3 (91) 91.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 33.2 μg/m3 (31) 24.0 μg/m3 (77) 77.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 30.4 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 23.9 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 18.3 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 23.1 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 26.8 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 36.3 μg/m3 (34) 23.0 μg/m3 (74) 74.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 36.0 μg/m3 (34) 25.0 μg/m3 (79) 79.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 32.9 μg/m3 (31) 23.0 μg/m3 (74) 74.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 43.8 μg/m3 (41) 33.0 μg/m3 (95) 95.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 40.8 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 39.9 μg/m3 (37) 31.0 μg/m3 (91) 91.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.2 μg/m3 (38) 35.0 μg/m3 (100) 100.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 49.2 μg/m3 (46) 34.0 μg/m3 (98) 98.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 59.1 μg/m3 (54) 40.0 μg/m3 (113) 113.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 56.0 μg/m3 (52) 43.0 μg/m3 (120) 120.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 48.2 μg/m3 (45) 42.0 μg/m3 (118) 118.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 59.6 μg/m3 (54) 48.0 μg/m3 (132) 132.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 54.7 μg/m3 (51) 36.0 μg/m3 (103) 103.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 53.7 μg/m3 (50) 37.0 μg/m3 (105) 105.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 49.1 μg/m3 (46) 39.0 μg/m3 (110) 110.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 46.2 μg/m3 (43) 38.0 μg/m3 (108) 108.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 45.9 μg/m3 (43) 31.0 μg/m3 (91) 91.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 47.4 μg/m3 (44) 30.0 μg/m3 (89) 89.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 46.1 μg/m3 (43) 27.0 μg/m3 (83) 83.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 52.4 μg/m3 (49) 32.0 μg/m3 (93) 93.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 50.5 μg/m3 (47) 31.0 μg/m3 (91) 91.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 43.0 μg/m3 (40) 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 44.9 μg/m3 (42) 27.0 μg/m3 (83) 83.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 33.9 μg/m3 (32) 27.0 μg/m3 (83) 83.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 42.6 μg/m3 (40) 27.0 μg/m3 (83) 83.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 34.8 μg/m3 (33) 22.0 μg/m3 (72) 72.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 47.6 μg/m3 (45) 24.0 μg/m3 (77) 77.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 54.9 μg/m3 (51) 30.0 μg/m3 (89) 89.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 34.4 μg/m3 (32) 26.0 μg/m3 (81) 81.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 29.8 μg/m3 (28) 22.0 μg/m3 (72) 72.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (31) 25.0 μg/m3 (79) 79.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 36.0 μg/m3 (34) 22.0 μg/m3 (72) 72.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 39.7 μg/m3 (37) 36.0 μg/m3 (103) 103.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 51.4 μg/m3 (48) 38.0 μg/m3 (108) 108.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 46.2 μg/m3 (43) 35.0 μg/m3 (100) 100.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 38.2 μg/m3 (36) 32.0 μg/m3 (93) 93.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 48.4 μg/m3 (45) 34.0 μg/m3 (98) 98.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 39.0 μg/m3 (37) 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 38.2 μg/m3 (36) 26.0 μg/m3 (81) 81.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 37.8 μg/m3 (35) 26.0 μg/m3 (81) 81.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 42.8 μg/m3 (40) 22.0 μg/m3 (72) 72.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 29.0 μg/m3 (27) 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 29.7 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 29.6 μg/m3 (28) 19.0 μg/m3 (66) 66.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 27.8 μg/m3 (26) 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 29.5 μg/m3 (28) 19.0 μg/m3 (66) 66.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 26.2 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 31.7 μg/m3 (30) 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 5.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (27) 24.0 μg/m3 (77) 77.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 30.0 μg/m3 (28) 21.0 μg/m3 (70) 70.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 27.2 μg/m3 (26) 24.0 μg/m3 (77) 77.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 29.5 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 29.2 μg/m3 (28) 24.0 μg/m3 (77) 77.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.3 μg/m3 (28) 22.0 μg/m3 (72) 72.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 27.3 μg/m3 (26) 27.0 μg/m3 (83) 83.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 27.9 μg/m3 (26) 29.0 μg/m3 (87) 87.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 29.4 μg/m3 (28) 24.0 μg/m3 (77) 77.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 22.9 μg/m3 (22) 18.0 μg/m3 (64) 64.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 22.3 μg/m3 (21) 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 19.2 μg/m3 (18) 18.0 μg/m3 (64) 64.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 23.0 μg/m3 (22) 22.0 μg/m3 (72) 72.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.1 μg/m3 (21) 14.0 μg/m3 (55) 55.0