ID: 9705

AQSQID: 840060831009

Site Name: Santa Maria

Added: April 22, 2021, 5:41 a.m.

Updated: July 25, 2021, 5:52 a.m.

Location: None, CA

Reporting: True, Located: False

Current AQI: 55.0

None CA, US: 34.890667, -120.432844

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 24.0 μg/m3 (23) 13.7 μg/m3 (55) 55.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 22.0 μg/m3 (21) 14.1 μg/m3 (56) 56.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 21.0 μg/m3 (20) 12.8 μg/m3 (53) 53.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 21.0 μg/m3 (20) 10.9 μg/m3 (46) 46.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 21.0 μg/m3 (20) 9.7 μg/m3 (41) 41.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 25.0 μg/m3 (24) 9.2 μg/m3 (39) 39.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 19.0 μg/m3 (18) 7.7 μg/m3 (33) 33.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.0 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 17.0 μg/m3 (16) 5.4 μg/m3 (23) 24.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 26.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 30.0 μg/m3 (28) 12.4 μg/m3 (52) 52.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 19.0 μg/m3 (18) 12.1 μg/m3 (51) 51.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.0 μg/m3 (21) 11.1 μg/m3 (47) 47.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 33.0 μg/m3 (31) 15.4 μg/m3 (58) 58.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 33.0 μg/m3 (31) 17.7 μg/m3 (63) 63.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 34.0 μg/m3 (32) 17.5 μg/m3 (63) 63.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 31.0 μg/m3 (29) 15.6 μg/m3 (59) 59.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 26.0 μg/m3 (25) 14.1 μg/m3 (56) 56.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 28.0 μg/m3 (26) 14.2 μg/m3 (56) 56.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 29.0 μg/m3 (27) 13.3 μg/m3 (54) 54.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 22.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 22.0 μg/m3 (21) 11.7 μg/m3 (49) 49.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 29.0 μg/m3 (27) 13.6 μg/m3 (55) 55.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 25.0 μg/m3 (24) 12.5 μg/m3 (52) 52.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 22.0 μg/m3 (21) 10.6 μg/m3 (45) 45.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 25.0 μg/m3 (24) 11.8 μg/m3 (50) 50.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 29.0 μg/m3 (27) 12.3 μg/m3 (52) 52.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 35.0 μg/m3 (33) 13.9 μg/m3 (55) 55.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 47.0 μg/m3 (44) 14.6 μg/m3 (57) 57.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 44.0 μg/m3 (41) 12.9 μg/m3 (53) 53.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 42.0 μg/m3 (39) 11.4 μg/m3 (48) 48.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 33.0 μg/m3 (31) 8.2 μg/m3 (35) 35.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 33.0 μg/m3 (31) 9.2 μg/m3 (39) 39.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 35.0 μg/m3 (33) 11.6 μg/m3 (49) 49.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 44.0 μg/m3 (41) 17.7 μg/m3 (63) 63.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 39.0 μg/m3 (37) 15.5 μg/m3 (59) 59.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 32.0 μg/m3 (30) 14.1 μg/m3 (56) 56.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 30.0 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 22.0 μg/m3 (21) 10.2 μg/m3 (43) 43.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 23.0 μg/m3 (22) 12.5 μg/m3 (52) 52.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 24.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 28.0 μg/m3 (26) 13.2 μg/m3 (54) 54.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 29.0 μg/m3 (27) 13.9 μg/m3 (55) 55.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 33.0 μg/m3 (31) 15.7 μg/m3 (59) 59.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 31.0 μg/m3 (29) 15.1 μg/m3 (58) 58.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 33.0 μg/m3 (31) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 34.0 μg/m3 (32) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 14.4 μg/m3 (56) 56.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 33.0 μg/m3 (31) 15.1 μg/m3 (58) 58.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 35.0 μg/m3 (33) 15.2 μg/m3 (58) 58.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 37.0 μg/m3 (35) 15.9 μg/m3 (59) 59.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 43.0 μg/m3 (40) 16.4 μg/m3 (61) 61.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 44.0 μg/m3 (41) 16.1 μg/m3 (60) 60.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 51.0 μg/m3 (48) 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 54.0 μg/m3 (50) 16.4 μg/m3 (61) 61.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 53.0 μg/m3 (50) 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 48.0 μg/m3 (45) 16.8 μg/m3 (61) 61.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 41.0 μg/m3 (38) 14.8 μg/m3 (57) 57.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 29.0 μg/m3 (27) 12.2 μg/m3 (52) 52.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 23.0 μg/m3 (22) 10.1 μg/m3 (43) 43.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 22.0 μg/m3 (21) 10.8 μg/m3 (46) 46.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 25.0 μg/m3 (24) 11.3 μg/m3 (48) 48.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 47.0 μg/m3 (44) 19.1 μg/m3 (66) 66.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 43.0 μg/m3 (40) 17.1 μg/m3 (62) 62.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 40.0 μg/m3 (38) 16.5 μg/m3 (61) 61.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 39.0 μg/m3 (37) 16.2 μg/m3 (60) 60.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 39.0 μg/m3 (37) 15.8 μg/m3 (59) 59.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 39.0 μg/m3 (37) 15.2 μg/m3 (58) 58.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 39.0 μg/m3 (37) 16.4 μg/m3 (61) 61.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 39.0 μg/m3 (37) 15.8 μg/m3 (59) 59.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 37.0 μg/m3 (35) 15.7 μg/m3 (59) 59.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 40.0 μg/m3 (38) 16.1 μg/m3 (60) 60.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 41.0 μg/m3 (38) 16.1 μg/m3 (60) 60.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 47.0 μg/m3 (44) 16.4 μg/m3 (61) 61.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 56.0 μg/m3 (52) 16.4 μg/m3 (61) 61.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 62.0 μg/m3 (55) 16.2 μg/m3 (60) 60.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 60.0 μg/m3 (54) 16.3 μg/m3 (60) 60.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 60.0 μg/m3 (54) 16.6 μg/m3 (61) 61.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 51.0 μg/m3 (48) 16.1 μg/m3 (60) 60.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 55.0 μg/m3 (51) 13.1 μg/m3 (54) 54.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 22.0 μg/m3 (21) 7.8 μg/m3 (33) 33.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 31.0 μg/m3 (29) 10.1 μg/m3 (43) 43.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 33.0 μg/m3 (31) 11.7 μg/m3 (49) 49.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 32.0 μg/m3 (30) 12.6 μg/m3 (53) 53.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 34.0 μg/m3 (32) 13.6 μg/m3 (55) 55.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 28.0 μg/m3 (26) 12.9 μg/m3 (53) 53.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 31.0 μg/m3 (29) 13.9 μg/m3 (55) 55.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 24.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 27.0 μg/m3 (25) 11.9 μg/m3 (50) 50.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 31.0 μg/m3 (29) 11.6 μg/m3 (49) 49.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 33.0 μg/m3 (31) 12.3 μg/m3 (52) 52.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 30.0 μg/m3 (28) 11.4 μg/m3 (48) 48.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 25.0 μg/m3 (24) 11.1 μg/m3 (47) 47.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 25.0 μg/m3 (24) 10.7 μg/m3 (45) 45.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 23.0 μg/m3 (22) 9.4 μg/m3 (40) 40.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 25.0 μg/m3 (24) 9.1 μg/m3 (38) 38.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 30.0 μg/m3 (28) 9.6 μg/m3 (40) 40.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 32.0 μg/m3 (30) 10.4 μg/m3 (44) 44.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 34.0 μg/m3 (32) 10.8 μg/m3 (46) 46.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 47.0 μg/m3 (44) 12.7 μg/m3 (53) 53.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 45.0 μg/m3 (42) 11.6 μg/m3 (49) 49.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 31.0 μg/m3 (29) 11.4 μg/m3 (48) 48.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 43.0 μg/m3 (40) 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 25.0 μg/m3 (24) 11.6 μg/m3 (49) 102.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 25.0 μg/m3 (24) 13.4 μg/m3 (54) 54.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 27.0 μg/m3 (25) 13.4 μg/m3 (54) 54.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 30.0 μg/m3 (28) 14.2 μg/m3 (56) 56.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 32.0 μg/m3 (30) 14.6 μg/m3 (57) 57.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 29.0 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 13.5 μg/m3 (54) 54.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 26.0 μg/m3 (25) 12.6 μg/m3 (53) 53.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 31.0 μg/m3 (29) 13.1 μg/m3 (54) 54.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 32.0 μg/m3 (30) 12.9 μg/m3 (53) 53.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 28.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 36.0 μg/m3 (34) 10.8 μg/m3 (46) 46.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 43.0 μg/m3 (40) 10.6 μg/m3 (45) 45.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 35.0 μg/m3 (33) 9.6 μg/m3 (40) 40.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 29.0 μg/m3 (27) 8.5 μg/m3 (36) 36.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 30.0 μg/m3 (28) 8.3 μg/m3 (35) 35.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 31.0 μg/m3 (29) 8.5 μg/m3 (36) 36.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 34.0 μg/m3 (32) 9.7 μg/m3 (41) 41.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 11.3 μg/m3 (48) 48.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 22.0 μg/m3 (21) 9.4 μg/m3 (40) 40.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 0.0
July 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 17.0 μg/m3 (16) 8.4 μg/m3 (36) 36.0
 
July 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
July 17, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) 8.4 μg/m3 (36) 36.0
 
July 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
July 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 24.0 μg/m3 (23) 7.9 μg/m3 (33) 33.0
 
July 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 23.0 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
July 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 21.0 μg/m3 (20) 6.6 μg/m3 (28) 28.0
 
July 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) 6.1 μg/m3 (26) 26.0
 
July 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 19.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
July 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 17.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
July 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 12.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
July 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 13.0 μg/m3 (13) 6.7 μg/m3 (28) 58.0
 
July 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.3 μg/m3 (27) 27.0
 
July 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 6.1 μg/m3 (26) 26.0
 
July 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 4.6 μg/m3 (20) 23.0
 
July 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 9.0 μg/m3 (9) 4.3 μg/m3 (18) 22.0
 
July 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 9.0 μg/m3 (9) 4.3 μg/m3 (18) 25.0
 
July 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 26.0
 
July 16, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 14.0 μg/m3 (13) 4.9 μg/m3 (21) 28.0
 
July 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 16.0 μg/m3 (15) 5.1 μg/m3 (22) 29.0
 
July 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 18.0 μg/m3 (17) 5.1 μg/m3 (22) 30.0
 
July 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 17.0 μg/m3 (16) 5.3 μg/m3 (23) 30.0
 
July 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 17.0 μg/m3 (16) 5.8 μg/m3 (25) 31.0
 
July 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 18.0 μg/m3 (17) 7.3 μg/m3 (31) 31.0
 
July 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
July 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
July 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 14.0 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
July 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 20.0
 
July 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 10.0 μg/m3 (10) 4.3 μg/m3 (18) 19.0
 
July 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 13.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
July 15, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
July 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
July 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 5.2 μg/m3 (22) 23.0
 
July 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 22.0
 
July 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 11.0 μg/m3 (11) 4.8 μg/m3 (20) 24.0
 
July 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 13.0 μg/m3 (13) 4.7 μg/m3 (20) 24.0
 
July 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0