ID: 2385

AQSQID: 060210003

Site Name: Willows-Colusa

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

Updated: July 28, 2021, 6:55 p.m.

Location: Willows (E Co Rd 49 1/2), CA

Reporting: True, Located: True

Current AQI: 60.0

Willows (E Co Rd 49 1/2) CA, US: 39.53387, -122.190834

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 29.0 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 45.0 μg/m3 (42) 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 44.0 μg/m3 (41) 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 20.0 μg/m3 (19) 16.0 μg/m3 (60) 60.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 29.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.0 μg/m3 (12) 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 33.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 34.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 38.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 43.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 44.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 30.0 μg/m3 (28) 7.0 μg/m3 (30) 44.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 71.0 μg/m3 (59) 10.0 μg/m3 (42) 59.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 51.0 μg/m3 (48) 8.0 μg/m3 (34) 48.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 73.0 μg/m3 (60) 5.0 μg/m3 (21) 60.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 38.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 55.0 μg/m3 (51) 10.0 μg/m3 (42) 51.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 67.0 μg/m3 (57) 8.0 μg/m3 (34) 57.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 118.0 μg/m3 (83) 17.0 μg/m3 (62) 83.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 52.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 52.0 μg/m3 (49) 13.0 μg/m3 (53) 53.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 5.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 3.0 μg/m3 (13) 27.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 27, 2021, 8 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) 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.0 μg/m3 (30) 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 42.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 51.0 μg/m3 (48) 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 41.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 38.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 39.0 μg/m3 (37) 7.0 μg/m3 (30) 38.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 42.0 μg/m3 (39) 7.0 μg/m3 (30) 39.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 47.0 μg/m3 (44) 4.0 μg/m3 (17) 44.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 47.0 μg/m3 (44) 5.0 μg/m3 (21) 45.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 32.0 μg/m3 (30) 6.0 μg/m3 (25) 42.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 32.0 μg/m3 (30) 8.0 μg/m3 (34) 38.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 34.0 μg/m3 (32) 5.0 μg/m3 (21) 35.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 32.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 29.0 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
July 26, 2021, 6 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) 13.0 μg/m3 (53) 53.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 45.0 μg/m3 (42) 8.0 μg/m3 (34) 48.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 55.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 30.0 μg/m3 (28) 14.0 μg/m3 (55) 55.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 35.0 μg/m3 (33) 15.0 μg/m3 (58) 58.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 25.0 μg/m3 (24) 11.0 μg/m3 (46) 50.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 28.0 μg/m3 (26) 9.0 μg/m3 (38) 49.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 30.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 5 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) 11.0 μg/m3 (46) 46.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 30.0 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
July 25, 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) 13.0 μg/m3 (53) 53.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 31.0 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 42.0 μg/m3 (39) 20.0 μg/m3 (68) 68.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 37.0 μg/m3 (35) 17.0 μg/m3 (62) 62.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 30.0 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 29.0 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 31.0 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 71.0 μg/m3 (59) 18.0 μg/m3 (64) 64.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 34.0 μg/m3 (32) N/A 46.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 37.0 μg/m3 (35) N/A 49.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 48.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
July 24, 2021, 4 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) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 36.0 μg/m3 (34) 16.0 μg/m3 (60) 60.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 30.0 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 26.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 31.0 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 30.0 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 24.0 μg/m3 (23) 10.0 μg/m3 (42) 47.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 27.0 μg/m3 (25) N/A 61.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 37.0 μg/m3 (35) 9.0 μg/m3 (38) 68.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 50.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 65.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 18.0 μg/m3 (17) 10.0 μg/m3 (42) 65.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 49.0 μg/m3 (46) 10.0 μg/m3 (42) 55.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 55.0 μg/m3 (51) 6.0 μg/m3 (25) 51.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 48.0 μg/m3 (45) 8.0 μg/m3 (34) 50.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 52.0 μg/m3 (49) 9.0 μg/m3 (38) 49.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 47.0 μg/m3 (44) 8.0 μg/m3 (34) 44.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 40.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 42.0 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 31.0 μg/m3 (29) 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 3.0 ppb (3) N/A 40.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 9 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) 6.0 μg/m3 (25) 25.0
 
July 23, 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) 17.0 μg/m3 (62) 62.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 31.0 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 36.0 μg/m3 (34) 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 49.0 ppb (46) N/A 36.0 μg/m3 (34) 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 50.0 ppb (47) N/A 30.0 μg/m3 (28) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 26.0 μg/m3 (25) 13.0 μg/m3 (53) 61.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 78.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 74.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 71.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 61.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 24.0 μg/m3 (23) 6.0 μg/m3 (25) 55.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 31.0 μg/m3 (29) 8.0 μg/m3 (34) 46.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 47.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 44.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 39.0 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 55.0 μg/m3 (51) 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 21.0 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 24.0 μg/m3 (23) 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 21.0 μg/m3 (20) 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 7 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) 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 32.0 μg/m3 (30) 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 41.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 40.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 46.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 37.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 32.0 μg/m3 (30) 11.0 μg/m3 (46) 48.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 36.0 μg/m3 (34) 7.0 μg/m3 (30) 39.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 41.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0