ID: 118

AQSQID: 060111002

Site Name: Colusa - Sunrise Blvd.

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

Updated: April 22, 2021, 9:43 a.m.

Location: Colusa (Davison Court), CA

Reporting: True, Located: True

Current AQI: 44.0

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
April 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 47.2 μg/m3 (44) 5.0 μg/m3 (21) 44.0
 
April 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 38.5 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
April 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 42.9 μg/m3 (40) 4.0 μg/m3 (17) 40.0
 
April 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 50.4 μg/m3 (47) N/A 47.0
 
April 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -4.0 μg/m3 (0) 24.0
 
April 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 30.8 μg/m3 (29) -1.0 μg/m3 (0) 34.0
 
April 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 37.1 μg/m3 (35) -2.0 μg/m3 (0) 37.0
 
April 22, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 40.0 μg/m3 (38) -2.0 μg/m3 (0) 38.0
 
April 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 47.9 μg/m3 (45) 15.0 μg/m3 (58) 58.0
 
April 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 50.2 μg/m3 (47) 5.0 μg/m3 (21) 47.0
 
April 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 43.5 μg/m3 (41) 13.0 μg/m3 (53) 53.0
 
April 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 169.8 μg/m3 (109) 14.0 μg/m3 (55) 109.0
 
April 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
April 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (81) 81.0
 
April 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.1 μg/m3 (59) 33.0 μg/m3 (95) 95.0
 
April 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 71.1 μg/m3 (59) 27.0 μg/m3 (83) 83.0
 
April 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 52.3 μg/m3 (49) 28.0 μg/m3 (85) 85.0
 
April 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 163.9 μg/m3 (106) 14.0 μg/m3 (55) 106.0
 
April 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 34.0 μg/m3 (32) -3.0 μg/m3 (0) 32.0
 
April 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
April 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.4 μg/m3 (12) -3.0 μg/m3 (0) 24.0
 
April 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 10.5 μg/m3 (10) N/A 22.0
 
April 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 13.6 μg/m3 (13) -2.0 μg/m3 (0) 24.0
 
April 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 13.3 μg/m3 (13) N/A 28.0
 
April 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.3 μg/m3 (12) -1.0 μg/m3 (0) 29.0
 
April 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 15.8 μg/m3 (15) N/A 34.0
 
April 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 17.4 μg/m3 (17) N/A 35.0
 
April 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 24.7 μg/m3 (23) N/A 38.0
 
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 200.2 μg/m3 (124) 0.0 μg/m3 (0) 124.0
 
April 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 97.5 μg/m3 (73) -3.0 μg/m3 (0) 73.0
 
April 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 81.8 μg/m3 (65) N/A 65.0
 
April 21, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
April 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 56.4 μg/m3 (52) 20.0 μg/m3 (68) 68.0
 
April 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 51.6 μg/m3 (48) 20.0 μg/m3 (68) 68.0
 
April 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 51.6 μg/m3 (48) 22.0 μg/m3 (72) 72.0
 
April 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 69.5 μg/m3 (59) 25.0 μg/m3 (79) 79.0
 
April 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 75.1 μg/m3 (61) 22.0 μg/m3 (72) 72.0
 
April 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 67.4 μg/m3 (58) 28.0 μg/m3 (85) 85.0
 
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 70.5 μg/m3 (59) 31.0 μg/m3 (91) 91.0
 
April 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 65.0 μg/m3 (56) 31.0 μg/m3 (91) 91.0
 
April 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 44.8 μg/m3 (42) 13.0 μg/m3 (53) 53.0
 
April 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 67.3 μg/m3 (58) 13.0 μg/m3 (53) 58.0
 
April 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 68.4 μg/m3 (58) 9.0 μg/m3 (38) 58.0
 
April 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 43.2 μg/m3 (40) 25.0 μg/m3 (79) 79.0
 
April 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 29.7 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
April 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 22.2 μg/m3 (21) 1.0 μg/m3 (5) 21.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 26.5 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 23.8 μg/m3 (23) N/A 23.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 20.0 μg/m3 (19) 0.0 μg/m3 (0) 21.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 26.2 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 32.6 μg/m3 (31) 2.0 μg/m3 (9) 31.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 18.9 μg/m3 (18) N/A 22.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.1 μg/m3 (27) N/A 27.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 36.1 μg/m3 (34) N/A 38.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 42.9 μg/m3 (40) N/A 42.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 47.0 μg/m3 (44) N/A 44.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 63.2 μg/m3 (56) 18.0 μg/m3 (64) 64.0
 
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 65.7 μg/m3 (57) 38.0 μg/m3 (108) 108.0
 
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 61.1 μg/m3 (55) 17.0 μg/m3 (62) 62.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 52.4 μg/m3 (49) 11.0 μg/m3 (46) 49.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 76.0 μg/m3 (62) 24.0 μg/m3 (77) 77.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 127.1 μg/m3 (87) 35.0 μg/m3 (100) 100.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 138.2 μg/m3 (93) 44.0 μg/m3 (122) 122.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 79.1 μg/m3 (63) 34.0 μg/m3 (98) 98.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 91.5 μg/m3 (70) 29.0 μg/m3 (87) 87.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 117.1 μg/m3 (82) 15.0 μg/m3 (58) 82.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 23.0 μg/m3 (22) 2.0 μg/m3 (9) 22.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (20) -1.0 μg/m3 (0) 20.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 18.9 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 18.1 μg/m3 (17) -3.0 μg/m3 (0) 18.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 17.7 μg/m3 (17) 2.0 μg/m3 (9) 24.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 26.4 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 14.9 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 16.5 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 19.7 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 31.6 μg/m3 (30) N/A 30.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 35.9 μg/m3 (34) N/A 34.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 19.3 μg/m3 (18) N/A 37.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 15.4 μg/m3 (15) N/A 41.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 27.3 μg/m3 (26) N/A 40.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 18.7 μg/m3 (18) 19.0 μg/m3 (66) 66.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 15.8 μg/m3 (15) 34.0 μg/m3 (98) 98.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 21.0 μg/m3 (20) 17.0 μg/m3 (62) 62.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 36.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.1 μg/m3 (17) 25.0 μg/m3 (79) 79.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 32.7 μg/m3 (31) 35.0 μg/m3 (100) 100.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 42.5 μg/m3 (40) 29.0 μg/m3 (87) 87.0
 
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 21.7 μg/m3 (21) 13.0 μg/m3 (53) 53.0
 
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 43.7 μg/m3 (41) 19.0 μg/m3 (66) 66.0
 
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 24.9 μg/m3 (24) 2.0 μg/m3 (9) 24.0
 
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 10.3 μg/m3 (10) N/A 21.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) -4.0 μg/m3 (0) 12.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 12.2 μg/m3 (12) N/A 25.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 18.2 μg/m3 (17) -4.0 μg/m3 (0) 27.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 19.8 μg/m3 (19) N/A 28.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 19.6 μg/m3 (19) -4.0 μg/m3 (0) 29.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 19.8 μg/m3 (19) 6.0 μg/m3 (25) 30.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 15.8 μg/m3 (15) N/A 29.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 25.5 μg/m3 (24) N/A 26.0
 
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 29.0 μg/m3 (27) N/A 27.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 26.2 μg/m3 (25) N/A 29.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 22.0 μg/m3 (21) N/A 35.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 26.7 μg/m3 (25) N/A 38.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 19.5 μg/m3 (19) -1.0 μg/m3 (0) 38.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.1 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 21.3 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 33.4 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 47.1 μg/m3 (44) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 46.2 μg/m3 (43) 9.0 μg/m3 (38) 43.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 62.7 μg/m3 (55) 25.0 μg/m3 (79) 79.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 45.0 μg/m3 (42) 29.0 μg/m3 (87) 87.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 65.8 μg/m3 (57) 25.0 μg/m3 (79) 79.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 88.2 μg/m3 (68) 26.0 μg/m3 (81) 81.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 32.8 μg/m3 (31) 4.0 μg/m3 (17) 31.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 25.5 μg/m3 (24) 0.0 μg/m3 (0) 24.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.9 μg/m3 (25) -2.0 μg/m3 (0) 25.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 21.6 μg/m3 (20) 1.0 μg/m3 (5) 20.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 20.8 μg/m3 (20) 1.0 μg/m3 (5) 20.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 24.6 μg/m3 (23) -3.0 μg/m3 (0) 23.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 27.8 μg/m3 (26) 0.0 μg/m3 (0) 26.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 27.3 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 35.0 μg/m3 (33) -1.0 μg/m3 (0) 33.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 61.6 μg/m3 (55) N/A 55.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 42.6 μg/m3 (40) N/A 40.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 37.6 μg/m3 (35) N/A 35.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 40.4 μg/m3 (38) N/A 38.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 34.2 μg/m3 (32) N/A 37.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 31.7 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 41.2 μg/m3 (39) 19.0 μg/m3 (66) 66.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 25.8 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 28.4 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 70.1 μg/m3 (59) 22.0 μg/m3 (72) 72.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 125.0 μg/m3 (86) 32.0 μg/m3 (93) 93.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 125.0 μg/m3 (86) 30.0 μg/m3 (89) 89.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 99.7 μg/m3 (74) 27.0 μg/m3 (83) 83.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 83.5 μg/m3 (66) 23.0 μg/m3 (74) 74.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 37.9 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 35.6 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 35.3 μg/m3 (33) 3.0 μg/m3 (13) 33.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 27.3 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 30.8 μg/m3 (29) -3.0 μg/m3 (0) 29.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 26.2 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 18.6 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 27.8 μg/m3 (26) 3.0 μg/m3 (13) 26.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 24.9 μg/m3 (24) N/A 24.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 18.8 μg/m3 (18) N/A 24.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 35.4 μg/m3 (33) N/A 33.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 30.8 μg/m3 (29) N/A 29.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 31.2 μg/m3 (29) N/A 37.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 39.0 μg/m3 (37) N/A 40.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 44.5 μg/m3 (42) 1.0 μg/m3 (5) 42.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 61.9 μg/m3 (55) 20.0 μg/m3 (68) 68.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 57.4 μg/m3 (53) 22.0 μg/m3 (72) 72.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 54.6 μg/m3 (51) 19.0 μg/m3 (66) 66.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 70.4 μg/m3 (59) 17.0 μg/m3 (62) 62.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 77.5 μg/m3 (63) 29.0 μg/m3 (87) 87.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 58.2 μg/m3 (53) 33.0 μg/m3 (95) 95.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 43.2 μg/m3 (40) 27.0 μg/m3 (83) 83.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 40.0 μg/m3 (38) 20.0 μg/m3 (68) 68.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 29.9 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 81.2 μg/m3 (64) 10.0 μg/m3 (42) 64.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 38.5 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 23.6 μg/m3 (22) 1.0 μg/m3 (5) 22.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 27.1 μg/m3 (26) 2.0 μg/m3 (9) 26.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 21.9 μg/m3 (21) -3.0 μg/m3 (0) 23.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 30.5 μg/m3 (29) 1.0 μg/m3 (5) 29.0