ID: 2444

AQSQID: 061030007

Site Name: Red Bluff - Walnut Office

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

Updated: Oct. 23, 2020, 9:39 p.m.

Location: Red Bluff (Walnut St), CA

Reporting: True, Located: True

Current AQI: 37.0

Red Bluff (Walnut St) CA, US: 40.170917, -122.255667

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Oct. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Oct. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
Oct. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Oct. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Oct. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
Oct. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Oct. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 23, 2020, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Oct. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Oct. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Oct. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
Oct. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Oct. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
Oct. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
Oct. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Oct. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Oct. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Oct. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Oct. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
Oct. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
Oct. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Oct. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
Oct. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
Oct. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
Oct. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 16.0 μg/m3 (60) 60.0
 
Oct. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
Oct. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
Oct. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 22, 2020, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 7.0 μg/m3 (30) 35.0
 
Oct. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
Oct. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Oct. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
Oct. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
Oct. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Oct. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Oct. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Oct. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Oct. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
Oct. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Oct. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Oct. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -1.0 μg/m3 (0) 30.0
 
Oct. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 μg/m3 (0) 29.0
 
Oct. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
Oct. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
Oct. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
Oct. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Oct. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
Oct. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
Oct. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 21, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Oct. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 0.0
Oct. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Oct. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 μg/m3 (5) 24.0
 
Oct. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Oct. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Oct. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
Oct. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Oct. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
Oct. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Oct. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -1.0 μg/m3 (0) 26.0
 
Oct. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -1.0 μg/m3 (0) 28.0
 
Oct. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
Oct. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Oct. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Oct. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Oct. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
Oct. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
Oct. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
Oct. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Oct. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 20, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
Oct. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Oct. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Oct. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
Oct. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Oct. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Oct. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
Oct. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
Oct. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
Oct. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Oct. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
Oct. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Oct. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Oct. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Oct. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
Oct. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 2.0 μg/m3 (9) 13.0
 
Oct. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 16.0
 
Oct. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
Oct. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
Oct. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.0 μg/m3 (5) 16.0
 
Oct. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.0 μg/m3 (5) 19.0
 
Oct. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
Oct. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
Oct. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 0.0 μg/m3 (0) 20.0
 
Oct. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -1.0 μg/m3 (0) 24.0
 
Oct. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Oct. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Oct. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -1.0 μg/m3 (0) 29.0
 
Oct. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -1.0 μg/m3 (0) 31.0
 
Oct. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 27.0
 
Oct. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 28.0
 
Oct. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 28.0
 
Oct. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 28.0
 
Oct. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 27.0
 
Oct. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 26.0
 
Oct. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 0.0
Oct. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 34.0
 
Oct. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 30.0
 
Oct. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 29.0
 
Oct. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 29.0
 
Oct. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 29.0
 
Oct. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 15, 2020, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 31.0
 
Oct. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 32.0
 
Oct. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 32.0
 
Oct. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 32.0
 
Oct. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 32.0
 
Oct. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 32.0
 
Oct. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 34.0
 
Oct. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 36.0
 
Oct. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 35.0
 
Oct. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 33.0
 
Oct. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 31.0
 
Oct. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 33.0
 
Oct. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 34.0
 
Oct. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 34.0
 
Oct. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 34.0
 
Oct. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.0 μg/m3 (17) 36.0
 
Oct. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 34.0
 
Oct. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 31.0
 
Oct. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0