ID: 118

AQSQID: 060111002

Site Name: Colusa - Sunrise Blvd.

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

Updated: Jan. 25, 2021, 2:32 a.m.

Location: Colusa (Davison Court), CA

Reporting: True, Located: True

Current AQI: 14.0

Colusa (Davison Court) CA, US: 39.18919, -121.99887

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 14.9 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
Jan. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 14.4 μg/m3 (14) 2.0 μg/m3 (9) 14.0
 
Jan. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 8.1 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 8.1 μg/m3 (8) 18.0 μg/m3 (64) 64.0
 
Jan. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 13.0 μg/m3 (13) 15.0 μg/m3 (58) 58.0
 
Jan. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 23.6 μg/m3 (22) 17.0 μg/m3 (62) 62.0
 
Jan. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 21.4 μg/m3 (20) 28.0 μg/m3 (85) 85.0
 
Jan. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 22.2 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 24.0 μg/m3 (23) 22.0 μg/m3 (72) 72.0
 
Jan. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 14.2 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
Jan. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 14.3 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
Jan. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 16.9 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 10.6 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
Jan. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Jan. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 4.2 μg/m3 (4) N/A 10.0
 
Jan. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 2.8 μg/m3 (3) 0.0 μg/m3 (0) 12.0
 
Jan. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 6.1 μg/m3 (6) N/A 16.0
 
Jan. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 5.1 μg/m3 (5) -3.0 μg/m3 (0) 19.0
 
Jan. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 5.1 μg/m3 (5) 0.0 μg/m3 (0) 18.0
 
Jan. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 7.8 μg/m3 (8) 1.0 μg/m3 (5) 18.0
 
Jan. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 11.3 μg/m3 (11) -3.0 μg/m3 (0) 16.0
 
Jan. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 24.3 μg/m3 (23) N/A 23.0
 
Jan. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 18.0 μg/m3 (17) -3.0 μg/m3 (0) 17.0
 
Jan. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 10.1 μg/m3 (10) -2.0 μg/m3 (0) 19.0
 
Jan. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) N/A 21.0
 
Jan. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 6.5 μg/m3 (7) -3.0 μg/m3 (0) 23.0
 
Jan. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 9.2 μg/m3 (9) 5.0 μg/m3 (21) 24.0
 
Jan. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 13.9 μg/m3 (13) 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 12.4 μg/m3 (12) 21.0 μg/m3 (70) 70.0
 
Jan. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.8 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 15.9 μg/m3 (15) 16.0 μg/m3 (60) 60.0
 
Jan. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 13.0 μg/m3 (13) 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 12.9 μg/m3 (12) 14.0 μg/m3 (55) 55.0
 
Jan. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 11.9 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 10.1 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 13.1 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
Jan. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 7.8 μg/m3 (8) 0.0 μg/m3 (0) 16.0
 
Jan. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 9.6 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 13.6 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 11.7 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Jan. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 3.8 μg/m3 (4) -1.0 μg/m3 (0) 19.0
 
Jan. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 1.3 μg/m3 (2) -4.0 μg/m3 (0) 20.0
 
Jan. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 1.7 μg/m3 (2) N/A 21.0
 
Jan. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 3.2 μg/m3 (3) N/A 21.0
 
Jan. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 3.7 μg/m3 (4) N/A 20.0
 
Jan. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 2.4 μg/m3 (3) N/A 24.0
 
Jan. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 5.7 μg/m3 (6) N/A 25.0
 
Jan. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 8.9 μg/m3 (9) N/A 26.0
 
Jan. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 14.7 μg/m3 (14) -2.0 μg/m3 (0) 25.0
 
Jan. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 11.0 μg/m3 (11) 15.0 μg/m3 (58) 58.0
 
Jan. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 20.3 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
Jan. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 17.5 μg/m3 (17) 31.0 μg/m3 (91) 91.0
 
Jan. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 19.7 μg/m3 (19) 16.0 μg/m3 (60) 60.0
 
Jan. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 28.7 μg/m3 (27) 21.0 μg/m3 (70) 70.0
 
Jan. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
Jan. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 11.7 μg/m3 (11) 0.0 μg/m3 (0) 13.0
 
Jan. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 7.0 μg/m3 (7) -3.0 μg/m3 (0) 16.0
 
Jan. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.6 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
Jan. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 24.4 μg/m3 (23) -4.0 μg/m3 (0) 23.0
 
Jan. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 23.9 μg/m3 (23) 3.0 μg/m3 (13) 23.0
 
Jan. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 23.9 μg/m3 (23) 0.0 μg/m3 (0) 23.0
 
Jan. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Jan. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 29.1 μg/m3 (27) 0.0 μg/m3 (0) 27.0
 
Jan. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 34.7 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
Jan. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 37.5 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
Jan. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 34.9 μg/m3 (33) 2.0 μg/m3 (9) 33.0
 
Jan. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 36.2 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Jan. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 38.1 μg/m3 (36) -2.0 μg/m3 (0) 36.0
 
Jan. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 40.8 μg/m3 (38) N/A 38.0
 
Jan. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 42.4 μg/m3 (40) -3.0 μg/m3 (0) 40.0
 
Jan. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 32.2 μg/m3 (30) -2.0 μg/m3 (0) 30.0
 
Jan. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 39.1 μg/m3 (37) 22.0 μg/m3 (72) 72.0
 
Jan. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 33.8 μg/m3 (32) 20.0 μg/m3 (68) 68.0
 
Jan. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 29.4 μg/m3 (28) 28.0 μg/m3 (85) 85.0
 
Jan. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 28.9 μg/m3 (27) 41.0 μg/m3 (115) 115.0
 
Jan. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 43.7 μg/m3 (41) 42.0 μg/m3 (118) 118.0
 
Jan. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 43.9 μg/m3 (41) 29.0 μg/m3 (87) 87.0
 
Jan. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 47.6 μg/m3 (45) 20.0 μg/m3 (68) 68.0
 
Jan. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.8 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
Jan. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 31.5 μg/m3 (30) 15.0 μg/m3 (58) 58.0
 
Jan. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 34.6 μg/m3 (33) 18.0 μg/m3 (64) 64.0
 
Jan. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 36.4 μg/m3 (34) 13.0 μg/m3 (53) 53.0
 
Jan. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 37.7 μg/m3 (35) 19.0 μg/m3 (66) 66.0
 
Jan. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 55.7 μg/m3 (52) 27.0 μg/m3 (83) 83.0
 
Jan. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 47.6 μg/m3 (45) 25.0 μg/m3 (79) 79.0
 
Jan. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 49.0 μg/m3 (46) 21.0 μg/m3 (70) 70.0
 
Jan. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 47.0 μg/m3 (44) 23.0 μg/m3 (74) 74.0
 
Jan. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 45.3 μg/m3 (42) 14.0 μg/m3 (55) 55.0
 
Jan. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 44.2 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 35.9 μg/m3 (34) -3.0 μg/m3 (0) 34.0
 
Jan. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 28.0 μg/m3 (26) N/A 26.0
 
Jan. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 22.9 μg/m3 (22) N/A 24.0
 
Jan. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 30.8 μg/m3 (29) N/A 29.0
 
Jan. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 21.0 μg/m3 (20) N/A 27.0
 
Jan. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 18.5 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 22.1 μg/m3 (21) 18.0 μg/m3 (64) 64.0
 
Jan. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 16.9 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 25.3 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
Jan. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 28.0 μg/m3 (26) 25.0 μg/m3 (79) 79.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 29.5 μg/m3 (28) 18.0 μg/m3 (64) 64.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 25.1 μg/m3 (24) 21.0 μg/m3 (70) 70.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 14.7 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 21.2 μg/m3 (20) 0.0 μg/m3 (0) 20.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 47.6 μg/m3 (45) -1.0 μg/m3 (0) 45.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 21.0
 
Jan. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
Jan. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 22.8 μg/m3 (22) 3.0 μg/m3 (13) 23.0
 
Jan. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 40.5 μg/m3 (38) -3.0 μg/m3 (0) 38.0
 
Jan. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 59.7 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 91.7 μg/m3 (70) 15.0 μg/m3 (58) 70.0
 
Jan. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 133.9 μg/m3 (91) 23.0 μg/m3 (74) 91.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 167.0 μg/m3 (107) 15.0 μg/m3 (58) 107.0
 
Jan. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 121.9 μg/m3 (85) 4.0 μg/m3 (17) 85.0
 
Jan. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 50.7 μg/m3 (47) N/A 47.0
 
Jan. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 60.5 μg/m3 (54) -2.0 μg/m3 (0) 54.0
 
Jan. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 71.0 μg/m3 (59) 3.0 μg/m3 (13) 59.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 54.4 μg/m3 (51) 0.0 μg/m3 (0) 51.0
 
Jan. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.2 μg/m3 (28) -3.0 μg/m3 (0) 28.0
 
Jan. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 15.6 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 23.4 μg/m3 (22) 6.0 μg/m3 (25) 26.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 28.4 μg/m3 (27) 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 33.5 μg/m3 (32) 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 40.9 μg/m3 (38) 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 33.2 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 15.7 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.1 μg/m3 (7) 0.0 μg/m3 (0) 25.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.6 μg/m3 (10) 0.0 μg/m3 (0) 25.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 9.0 μg/m3 (9) -3.0 μg/m3 (0) 25.0
 
Jan. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 8.8 μg/m3 (9) -4.0 μg/m3 (0) 25.0
 
Jan. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) N/A 7.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 7.2 μg/m3 (7) 1.0 μg/m3 (5) 28.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 10.8 μg/m3 (10) N/A 29.0
 
Jan. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 14.8 μg/m3 (14) N/A 29.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 7.9 μg/m3 (8) N/A 29.0
 
Jan. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 0.2 μg/m3 (1) N/A 29.0
 
Jan. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 52.1 μg/m3 (49) N/A 49.0
 
Jan. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 78.3 μg/m3 (63) N/A 63.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 8.8 μg/m3 (9) -3.0 μg/m3 (0) 30.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 11.6 μg/m3 (11) N/A 28.0
 
Jan. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) N/A 30.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 13.9 μg/m3 (13) N/A 31.0
 
Jan. 19, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 17.8 μg/m3 (17) N/A 30.0
 
Jan. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Jan. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 94.2 μg/m3 (71) 5.0 μg/m3 (21) 71.0
 
Jan. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 19.1 μg/m3 (18) 6.0 μg/m3 (25) 28.0
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 22.4 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 18.0 μg/m3 (17) 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 28.6 μg/m3 (27) 29.0 μg/m3 (87) 87.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.9 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 13.8 μg/m3 (13) -4.0 μg/m3 (0) 30.0
 
Jan. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 7.6 μg/m3 (8) -4.0 μg/m3 (0) 29.0
 
Jan. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 8.7 μg/m3 (9) N/A 29.0
 
Jan. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) N/A 9.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 13.4 μg/m3 (13) N/A 30.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 37.0 μg/m3 (35) -1.0 μg/m3 (0) 35.0
 
Jan. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) -2.0 μg/m3 (0) 28.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 12.1 μg/m3 (12) 3.0 μg/m3 (13) 27.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.4 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 12.1 μg/m3 (12) N/A 20.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 7.1 μg/m3 (7) 5.0 μg/m3 (21) 24.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 6.9 μg/m3 (7) 3.0 μg/m3 (13) 22.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 5.7 μg/m3 (6) N/A 17.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) N/A 19.0