ID: 117

AQSQID: 060090001

Site Name: San Andreas

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

Updated: March 7, 2021, 3:32 p.m.

Location: San Andreas (Gold Strike Rd), CA

Reporting: True, Located: True

Current AQI: 13.0

San Andreas (Gold Strike Rd) CA, US: 38.20185, -120.680277

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
March 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 10.8 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 16.4 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
March 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 11.7 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
March 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 19.3 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 14.6 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
March 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 22.6 μg/m3 (21) 15.0 μg/m3 (58) 58.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 20.5 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 20.7 μg/m3 (20) 19.0 μg/m3 (66) 66.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 21.7 μg/m3 (21) 17.0 μg/m3 (62) 62.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.7 μg/m3 (9) 4.0 μg/m3 (17) 38.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 1.3 μg/m3 (2) -1.0 μg/m3 (0) 39.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 38.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 0.9 μg/m3 (1) -1.0 μg/m3 (0) 39.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 1.3 μg/m3 (2) -1.0 μg/m3 (0) 38.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 2.3 μg/m3 (3) -1.0 μg/m3 (0) 38.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 2.9 μg/m3 (3) -2.0 μg/m3 (0) 36.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 2.4 μg/m3 (3) N/A 34.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 4.3 μg/m3 (4) -2.0 μg/m3 (0) 34.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 6.2 μg/m3 (6) 0.0 μg/m3 (0) 33.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 27.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 3.6 μg/m3 (4) -1.0 μg/m3 (0) 20.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A -0.6 μg/m3 (0) 1.0 μg/m3 (5) 23.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 0.9 μg/m3 (1) 0.0 μg/m3 (0) 28.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 2.8 μg/m3 (3) -2.0 μg/m3 (0) 35.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 4.9 μg/m3 (5) 2.0 μg/m3 (9) 36.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 18.7 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 17.1 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 11.9 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 23.6 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 31.9 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 30.9 μg/m3 (29) 13.0 μg/m3 (53) 53.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 34.7 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 35.3 μg/m3 (33) 13.0 μg/m3 (53) 53.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 25.6 μg/m3 (24) 10.0 μg/m3 (42) 48.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 24.8 μg/m3 (23) 11.0 μg/m3 (46) 49.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 24.4 μg/m3 (23) 7.0 μg/m3 (30) 46.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 23.3 μg/m3 (22) 7.0 μg/m3 (30) 45.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 23.4 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 18.0 μg/m3 (17) 6.0 μg/m3 (25) 40.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 19.1 μg/m3 (18) 5.0 μg/m3 (21) 38.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 17.9 μg/m3 (17) 6.0 μg/m3 (25) 33.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 19.4 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 23.2 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.9 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 16.4 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 19.5 μg/m3 (19) 14.0 μg/m3 (55) 55.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 16.4 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 17.3 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 22.6 μg/m3 (21) 13.0 μg/m3 (53) 53.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 20.1 μg/m3 (19) 14.0 μg/m3 (55) 55.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 28.4 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
March 5, 2021, 5 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) 14.0 μg/m3 (55) 55.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 24.1 μg/m3 (23) 15.0 μg/m3 (58) 58.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 26.9 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 24.7 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 26.5 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 31.5 μg/m3 (30) 9.0 μg/m3 (38) 48.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 25.7 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 19.9 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 23.4 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 22.6 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 27.3 μg/m3 (26) 7.0 μg/m3 (30) 36.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.3 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 29.8 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 21.1 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 23.8 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 15.5 μg/m3 (15) 13.0 μg/m3 (53) 53.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 16.1 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 16.3 μg/m3 (16) 15.0 μg/m3 (58) 58.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 25.8 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 24.9 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 19.7 μg/m3 (19) 17.0 μg/m3 (62) 62.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.2 μg/m3 (21) 17.0 μg/m3 (62) 62.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 29.3 μg/m3 (28) 14.0 μg/m3 (55) 55.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 22.8 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 24.3 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 21.7 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 21.4 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 14.8 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 17.7 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 23.3 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 32.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 11.7 μg/m3 (11) 5.0 μg/m3 (21) 25.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.2 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 15.2 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 19.2 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.7 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 15.1 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 18.2 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 20.1 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 13.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 15.4 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 21.0 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 20.4 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 19.6 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 21.7 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.7 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 22.1 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 23.3 μg/m3 (22) 6.0 μg/m3 (25) 28.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.4 μg/m3 (19) 5.0 μg/m3 (21) 34.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 40.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 23.8 μg/m3 (23) 9.0 μg/m3 (38) 40.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 16.6 μg/m3 (16) 6.0 μg/m3 (25) 39.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 35.2 μg/m3 (33) 19.0 μg/m3 (66) 66.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 64.6 μg/m3 (56) 56.0 μg/m3 (152) 152.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 10.6 μg/m3 (10) 4.0 μg/m3 (17) 38.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.1 μg/m3 (12) 1.0 μg/m3 (5) 32.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 12.1 μg/m3 (12) 4.0 μg/m3 (17) 26.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 66.5 μg/m3 (57) 6.0 μg/m3 (25) 57.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 9.6 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 12.9 μg/m3 (12) 3.0 μg/m3 (13) 18.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 10.3 μg/m3 (10) 3.0 μg/m3 (13) 18.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.7 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 10.2 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.9 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.7 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 15.5 μg/m3 (15) 3.0 μg/m3 (13) 25.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 14.2 μg/m3 (14) 4.0 μg/m3 (17) 27.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 15.2 μg/m3 (15) 4.0 μg/m3 (17) 29.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 12.2 μg/m3 (12) 4.0 μg/m3 (17) 31.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.9 μg/m3 (12) 5.0 μg/m3 (21) 29.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 16.3 μg/m3 (16) 1.0 μg/m3 (5) 34.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 17.5 μg/m3 (17) 1.0 μg/m3 (5) 42.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 10.4 μg/m3 (10) 1.0 μg/m3 (5) 45.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 13.9 μg/m3 (13) 1.0 μg/m3 (5) 44.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 15.4 μg/m3 (15) -1.0 μg/m3 (0) 42.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 12.3 μg/m3 (12) 1.0 μg/m3 (5) 42.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 9.7 μg/m3 (9) 1.0 μg/m3 (5) 41.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 40.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 9.3 μg/m3 (9) 3.0 μg/m3 (13) 38.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 15.1 μg/m3 (14) 3.0 μg/m3 (13) 34.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 22.7 μg/m3 (22) 2.0 μg/m3 (9) 29.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.2 μg/m3 (16) 4.0 μg/m3 (17) 29.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 15.1 μg/m3 (14) 2.0 μg/m3 (9) 27.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 12.2 μg/m3 (12) 2.0 μg/m3 (9) 20.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 22.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 18.5 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 23.9 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 7 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) 15.0 μg/m3 (58) 58.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 33.1 μg/m3 (31) 22.0 μg/m3 (72) 72.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 29.2 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 21.4 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 28.0 μg/m3 (26) 16.0 μg/m3 (60) 60.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 26.1 μg/m3 (25) 5.0 μg/m3 (21) 31.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 22.6 μg/m3 (21) 3.0 μg/m3 (13) 38.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 25.7 μg/m3 (24) 4.0 μg/m3 (17) 39.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 31.9 μg/m3 (30) 3.0 μg/m3 (13) 39.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 17.2 μg/m3 (16) 2.0 μg/m3 (9) 38.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 15.4 μg/m3 (15) 4.0 μg/m3 (17) 36.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 17.9 μg/m3 (17) 4.0 μg/m3 (17) 36.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 9.3 μg/m3 (9) 4.0 μg/m3 (17) 35.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.4 μg/m3 (12) 5.0 μg/m3 (21) 32.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 4.3 μg/m3 (4) 3.0 μg/m3 (13) 25.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 8.4 μg/m3 (8) 4.0 μg/m3 (17) 20.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 10.5 μg/m3 (10) 3.0 μg/m3 (13) 15.0