ID: 118

AQSQID: 060111002

Site Name: Colusa - Sunrise Blvd.

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

Updated: Sept. 26, 2020, 4:40 p.m.

Location: Colusa (Davison Court), CA

Reporting: True, Located: True

Current AQI: 70.0

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
Sept. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 95.4 μg/m3 (70) 16.0 μg/m3 (59) 70.0
 
Sept. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 86.1 μg/m3 (66) 9.0 μg/m3 (38) 66.0
 
Sept. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 50.7 μg/m3 (46) 6.0 μg/m3 (25) 46.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 54.2 μg/m3 (49) 9.0 μg/m3 (38) 49.0
 
Sept. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 55.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
Sept. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 71.3 μg/m3 (58) 8.0 μg/m3 (33) 58.0
 
Sept. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 127.3 μg/m3 (86) 12.0 μg/m3 (50) 86.0
 
Sept. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 101.1 μg/m3 (73) 13.0 μg/m3 (52) 73.0
 
Sept. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 85.9 μg/m3 (65) 9.0 μg/m3 (38) 65.0
 
Sept. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 95.1 μg/m3 (70) 13.0 μg/m3 (52) 70.0
 
Sept. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 91.4 μg/m3 (68) 7.0 μg/m3 (29) 68.0
 
Sept. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 90.7 μg/m3 (68) 3.0 μg/m3 (12) 68.0
 
Sept. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 94.2 μg/m3 (70) N/A 70.0
 
Sept. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 97.6 μg/m3 (71) N/A 71.0
 
Sept. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 98.1 μg/m3 (72) N/A 72.0
 
Sept. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 47.9 μg/m3 (44) N/A 44.0
 
Sept. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 63.0 μg/m3 (54) 13.0 μg/m3 (52) 54.0
 
Sept. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 61.5 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
Sept. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 56.0 μg/m3 (50) 19.0 μg/m3 (65) 65.0
 
Sept. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 53.7 μg/m3 (49) 17.0 μg/m3 (61) 61.0
 
Sept. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 45.7 μg/m3 (42) 16.0 μg/m3 (59) 59.0
 
Sept. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 50.0 μg/m3 (45) 20.0 μg/m3 (67) 67.0
 
Sept. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 40.4 μg/m3 (37) 19.0 μg/m3 (65) 65.0
 
Sept. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 29.3 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Sept. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 45.5 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 27.1 μg/m3 (25) 2.0 μg/m3 (8) 25.0
 
Sept. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.6 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Sept. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (7) -2.0 μg/m3 (0) 7.0
 
Sept. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 7.6 μg/m3 (7) -3.0 μg/m3 (0) 15.0
 
Sept. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 7.4 μg/m3 (7) 1.0 μg/m3 (4) 16.0
 
Sept. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 9.2 μg/m3 (8) 0.0 μg/m3 (0) 17.0
 
Sept. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 14.3 μg/m3 (13) -2.0 μg/m3 (0) 15.0
 
Sept. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 18.1 μg/m3 (16) 1.0 μg/m3 (4) 16.0
 
Sept. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 31.8 μg/m3 (29) -1.0 μg/m3 (0) 29.0
 
Sept. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 25.4 μg/m3 (23) 3.0 μg/m3 (12) 23.0
 
Sept. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 27.1 μg/m3 (25) N/A 25.0
 
Sept. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 34.6 μg/m3 (31) -4.0 μg/m3 (0) 31.0
 
Sept. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 26.9 μg/m3 (24) N/A 24.0
 
Sept. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 43.8 μg/m3 (40) N/A 40.0
 
Sept. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 36.1 μg/m3 (33) N/A 33.0
 
Sept. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 29.7 μg/m3 (27) -1.0 μg/m3 (0) 27.0
 
Sept. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 82.0 μg/m3 (64) 23.0 μg/m3 (73) 73.0
 
Sept. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 49.8 μg/m3 (45) 20.0 μg/m3 (67) 67.0
 
Sept. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 31.2 μg/m3 (28) 21.0 μg/m3 (69) 69.0
 
Sept. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 34.8 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
Sept. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 25.5 μg/m3 (23) 20.0 μg/m3 (67) 67.0
 
Sept. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 32.4 μg/m3 (29) 23.0 μg/m3 (73) 73.0
 
Sept. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 26.2 μg/m3 (24) 18.0 μg/m3 (63) 63.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 18.3 μg/m3 (17) 18.0 μg/m3 (63) 63.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 18.9 μg/m3 (17) 2.0 μg/m3 (8) 17.0
 
Sept. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 12.3 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 9.1 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Sept. 24, 2020, 10 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) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) -2.0 μg/m3 (0) 11.0
 
Sept. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 20.0 μg/m3 (18) -2.0 μg/m3 (0) 18.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 26.0 μg/m3 (24) 3.0 μg/m3 (12) 24.0
 
Sept. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 14.0 μg/m3 (13) -1.0 μg/m3 (0) 14.0
 
Sept. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 15.0 μg/m3 (14) N/A 15.0
 
Sept. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 30.0 μg/m3 (27) N/A 27.0
 
Sept. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 67.0 μg/m3 (56) N/A 56.0
 
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 79.0 μg/m3 (62) -1.0 μg/m3 (0) 62.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 74.0 μg/m3 (60) N/A 60.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 90.0 μg/m3 (68) 15.0 μg/m3 (56) 68.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 112.0 μg/m3 (78) 38.0 μg/m3 (106) 106.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 110.0 μg/m3 (78) 33.0 μg/m3 (95) 95.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 79.0 μg/m3 (62) 34.0 μg/m3 (97) 97.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 55.0 μg/m3 (50) 35.0 μg/m3 (99) 99.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 80.0 μg/m3 (62) 33.0 μg/m3 (95) 95.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 37.0 μg/m3 (34) 20.0 μg/m3 (67) 67.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 81.0 μg/m3 (63) 19.0 μg/m3 (65) 65.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 109.0 μg/m3 (77) 9.0 μg/m3 (38) 77.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 36.0 μg/m3 (33) -2.0 μg/m3 (0) 33.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 20.0 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 12.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) -1.0 μg/m3 (0) 14.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 18.0 μg/m3 (16) -3.0 μg/m3 (0) 16.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 23.0 μg/m3 (21) 0.0 μg/m3 (0) 21.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 28.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 39.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 40.0 μg/m3 (36) -2.0 μg/m3 (0) 36.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 47.0 μg/m3 (43) -4.0 μg/m3 (0) 43.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 73.0 μg/m3 (59) N/A 59.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 45.0 μg/m3 (41) N/A 41.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 69.0 μg/m3 (57) N/A 57.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 84.0 μg/m3 (64) 29.0 μg/m3 (86) 86.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 111.0 μg/m3 (78) 62.0 μg/m3 (153) 153.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 100.0 μg/m3 (72) 62.0 μg/m3 (153) 153.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 47.0 μg/m3 (43) 22.0 μg/m3 (71) 71.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 39.0 μg/m3 (35) 25.0 μg/m3 (78) 78.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 41.0 μg/m3 (37) 20.0 μg/m3 (67) 67.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
Sept. 22, 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) 19.0 μg/m3 (65) 65.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 18.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 39.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 58.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 56.0 μg/m3 (50) 21.0 μg/m3 (69) 69.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 89.0 μg/m3 (67) 20.0 μg/m3 (67) 67.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 78.0 μg/m3 (62) 22.0 μg/m3 (71) 71.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 90.0 μg/m3 (68) 25.0 μg/m3 (78) 78.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 108.0 μg/m3 (76) 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 107.0 μg/m3 (76) 46.0 μg/m3 (126) 126.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 124.0 μg/m3 (84) 68.0 μg/m3 (157) 157.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 82.0 μg/m3 (64) 55.0 μg/m3 (149) 149.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 66.0 μg/m3 (56) 50.0 μg/m3 (136) 136.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 97.0 μg/m3 (71) 51.0 μg/m3 (139) 139.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 194.0 μg/m3 (120) 61.0 μg/m3 (153) 153.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 358.0 μg/m3 (204) 95.0 μg/m3 (171) 204.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 124.0 μg/m3 (84) 82.0 μg/m3 (164) 164.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 132.0 μg/m3 (88) 73.0 μg/m3 (159) 159.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 100.0 μg/m3 (72) 72.0 μg/m3 (159) 159.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 80.0 μg/m3 (62) 59.0 μg/m3 (152) 152.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) 47.0 μg/m3 (129) 129.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 77.0 μg/m3 (61) 49.0 μg/m3 (134) 134.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 81.0 μg/m3 (63) 49.0 μg/m3 (134) 134.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 75.0 μg/m3 (60) 45.0 μg/m3 (124) 124.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 70.0 μg/m3 (58) 43.0 μg/m3 (119) 119.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 70.0 μg/m3 (58) 38.0 μg/m3 (106) 106.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 112.0 μg/m3 (78) 42.0 μg/m3 (116) 116.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 88.0 μg/m3 (66) 47.0 μg/m3 (129) 129.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 64.0 μg/m3 (54) 38.0 μg/m3 (106) 106.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 74.0 μg/m3 (60) 34.0 μg/m3 (97) 97.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 67.0 μg/m3 (56) 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 77.0 μg/m3 (61) 24.0 μg/m3 (76) 76.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 72.0 μg/m3 (58) 44.0 μg/m3 (121) 121.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 78.0 μg/m3 (62) 59.0 μg/m3 (152) 152.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 83.0 μg/m3 (64) 65.0 μg/m3 (155) 155.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 86.0 μg/m3 (66) 73.0 μg/m3 (159) 159.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 69.0 μg/m3 (57) 67.0 μg/m3 (156) 156.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 67.0 μg/m3 (56) 67.0 μg/m3 (156) 156.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 45.0 μg/m3 (41) 51.0 μg/m3 (139) 139.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 49.0 μg/m3 (45) 50.0 μg/m3 (136) 136.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 69.0 μg/m3 (57) 53.0 μg/m3 (144) 144.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 83.0 μg/m3 (64) 37.0 μg/m3 (104) 104.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 48.0 μg/m3 (44) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 49.0 μg/m3 (45) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 25.0 μg/m3 (78) 78.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 52.0 μg/m3 (47) 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 62.0 μg/m3 (54) 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 57.0 μg/m3 (51) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 69.0 μg/m3 (57) 35.0 μg/m3 (99) 99.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 89.0 μg/m3 (67) 33.0 μg/m3 (95) 95.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 70.0 μg/m3 (58) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 93.0 μg/m3 (69) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 106.0 μg/m3 (76) 31.0 μg/m3 (90) 90.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 81.0 μg/m3 (63) 25.0 μg/m3 (78) 78.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 80.0 μg/m3 (62) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 63.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 48.0 μg/m3 (44) 18.0 μg/m3 (63) 63.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 38.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 47.0 μg/m3 (43) 33.0 μg/m3 (95) 95.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 61.0 μg/m3 (53) 42.0 μg/m3 (116) 116.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 64.0 μg/m3 (54) 45.0 μg/m3 (124) 124.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 62.0 μg/m3 (54) 45.0 μg/m3 (124) 124.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 55.0 μg/m3 (50) 46.0 μg/m3 (126) 126.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 43.0 μg/m3 (39) 22.0 μg/m3 (71) 71.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 19.0 μg/m3 (17) 21.0 μg/m3 (69) 69.0